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	<id>https://wiki.osnexus.com/index.php?action=history&amp;feed=atom&amp;title=Create_Ceph_WAL_Device</id>
	<title>Create Ceph WAL Device - Revision history</title>
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	<updated>2026-10-08T05:36:59Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=16396&amp;oldid=prev</id>
		<title>Qadmin at 23:48, 11 December 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=16396&amp;oldid=prev"/>
		<updated>2019-12-11T23:48:15Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 23:48, 11 December 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create Journal Device.jpg|412px|thumb|Create a Ceph Journal device.]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create Journal Device.jpg|412px|thumb|Create a Ceph Journal device.]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &#039;&#039;&#039;W&#039;&#039;&#039;rite-&#039;&#039;&#039;A&#039;&#039;&#039;head &#039;&#039;&#039;L&#039;&#039;&#039;og (&#039;&#039;&#039;WAL&#039;&#039;&#039;) device will map &#039;&#039;&#039;O&#039;&#039;&#039;bject &#039;&#039;&#039;S&#039;&#039;&#039;torage &#039;&#039;&#039;D&#039;&#039;&#039;aemon &#039;&#039;&#039;(OSD)&#039;&#039;&#039; partitions to a logical partition on an SSD drive. Journals &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Device &lt;/ins&gt;or &#039;&#039;&#039;W&#039;&#039;&#039;rite-&#039;&#039;&#039;A&#039;&#039;&#039;head &#039;&#039;&#039;L&#039;&#039;&#039;og (&#039;&#039;&#039;WAL&#039;&#039;&#039;) device will map &#039;&#039;&#039;O&#039;&#039;&#039;bject &#039;&#039;&#039;S&#039;&#039;&#039;torage &#039;&#039;&#039;D&#039;&#039;&#039;aemon &#039;&#039;&#039;(OSD)&#039;&#039;&#039; partitions to a logical partition on an SSD drive. Journals are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Navigation:&amp;#039;&amp;#039;&amp;#039; Scale-out Storage Configuration --&amp;gt; Scale-out Storage Cluster --&amp;gt; Storage Media --&amp;gt; Create Journal&amp;#039;&amp;#039; (toolbar)&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Navigation:&amp;#039;&amp;#039;&amp;#039; Scale-out Storage Configuration --&amp;gt; Scale-out Storage Cluster --&amp;gt; Storage Media --&amp;gt; Create Journal&amp;#039;&amp;#039; (toolbar)&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Qadmin</name></author>
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	<entry>
		<id>https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=16395&amp;oldid=prev</id>
		<title>Qadmin at 23:47, 11 December 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=16395&amp;oldid=prev"/>
		<updated>2019-12-11T23:47:16Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 23:47, 11 December 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create Journal Device.jpg]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create Journal Device.jpg&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|412px|thumb|Create a Ceph Journal device.&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Qadmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=16393&amp;oldid=prev</id>
		<title>Qadmin at 23:44, 11 December 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=16393&amp;oldid=prev"/>
		<updated>2019-12-11T23:44:11Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 23:44, 11 December 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ceph WAL &lt;/del&gt;Device.jpg&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|412px|thumb|Create a Ceph Journal device.&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Journal &lt;/ins&gt;Device.jpg]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Qadmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15942&amp;oldid=prev</id>
		<title>Qadmin at 23:26, 25 September 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15942&amp;oldid=prev"/>
		<updated>2019-09-25T23:26:51Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 23:26, 25 September 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Navigation:&#039;&#039;&#039; Scale-out Storage Configuration --&amp;gt; Scale-out Storage Cluster --&amp;gt; Storage Media --&amp;gt; Create Journal&#039;&#039;(toolbar)&#039;&#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Navigation:&#039;&#039;&#039; Scale-out Storage Configuration --&amp;gt; Scale-out Storage Cluster --&amp;gt; Storage Media --&amp;gt; Create Journal&#039;&#039; (toolbar)&#039;&#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Qadmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15920&amp;oldid=prev</id>
		<title>Qadmin at 22:22, 24 September 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15920&amp;oldid=prev"/>
		<updated>2019-09-24T22:22:28Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 22:22, 24 September 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create Ceph WAL Device.jpg|412px|thumb|Create a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Write Ahead Log (WAL) &lt;/del&gt;device.]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create Ceph WAL Device.jpg|412px|thumb|Create a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ceph Journal &lt;/ins&gt;device.]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Qadmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15919&amp;oldid=prev</id>
		<title>Qadmin at 22:21, 24 September 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15919&amp;oldid=prev"/>
		<updated>2019-09-24T22:21:43Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 22:21, 24 September 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Navigation:&#039;&#039;&#039; Scale-out Storage Configuration --&amp;gt; Storage Media --&amp;gt; Create Journal&#039;&#039;(toolbar)&#039;&#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Navigation:&#039;&#039;&#039; Scale-out Storage Configuration &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;--&amp;gt; Scale-out Storage Cluster &lt;/ins&gt;--&amp;gt; Storage Media --&amp;gt; Create Journal&#039;&#039;(toolbar)&#039;&#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Qadmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15895&amp;oldid=prev</id>
		<title>Qadmin at 21:19, 24 September 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15895&amp;oldid=prev"/>
		<updated>2019-09-24T21:19:06Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:19, 24 September 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph Journal or &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals  are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Navigation:&#039;&#039;&#039; Scale-out Storage Configuration --&amp;gt; Storage Media --&amp;gt; Create Journal&#039;&#039;(toolbar)&#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Navigation:&#039;&#039;&#039; Scale-out Storage Configuration --&amp;gt; Storage Media --&amp;gt; Create Journal&#039;&#039;(toolbar)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&lt;/ins&gt;&#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Qadmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15894&amp;oldid=prev</id>
		<title>Qadmin at 21:18, 24 September 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15894&amp;oldid=prev"/>
		<updated>2019-09-24T21:18:38Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:18, 24 September 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create Ceph WAL Device.jpg|412px|thumb|Create a Write Ahead Log (WAL) device.]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create Ceph WAL Device.jpg|412px|thumb|Create a Write Ahead Log (WAL) device.]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph WAL device will map &#039;&#039;&#039;O&#039;&#039;&#039;bject &#039;&#039;&#039;S&#039;&#039;&#039;torage &#039;&#039;&#039;D&#039;&#039;&#039;aemon &#039;&#039;&#039;(OSD)&#039;&#039;&#039; partitions to a logical partition on an SSD drive. Journals &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;also known as &#039;&#039;&#039;W&#039;&#039;&#039;rite-&#039;&#039;&#039;A&#039;&#039;&#039;head &#039;&#039;&#039;L&#039;&#039;&#039;og (&#039;&#039;&#039;WAL&#039;&#039;&#039;) Devices &lt;/del&gt;are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Journal or &#039;&#039;&#039;W&#039;&#039;&#039;rite-&#039;&#039;&#039;A&#039;&#039;&#039;head &#039;&#039;&#039;L&#039;&#039;&#039;og (&#039;&#039;&#039;&lt;/ins&gt;WAL&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039;) &lt;/ins&gt;device will map &#039;&#039;&#039;O&#039;&#039;&#039;bject &#039;&#039;&#039;S&#039;&#039;&#039;torage &#039;&#039;&#039;D&#039;&#039;&#039;aemon &#039;&#039;&#039;(OSD)&#039;&#039;&#039; partitions to a logical partition on an SSD drive. Journals &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/ins&gt;are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Navigation:&#039;&#039;&#039; Scale-out Storage Configuration --&amp;gt; Storage Media &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;--&amp;gt; &lt;/del&gt;--&amp;gt; Create Journal&#039;&#039;(toolbar)&#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Navigation:&#039;&#039;&#039; Scale-out Storage Configuration --&amp;gt; Storage Media --&amp;gt; Create Journal&#039;&#039;(toolbar)&#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot;&gt;Line 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Template:ReturnToWebGuide}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Template:ReturnToWebGuide}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Incomplete]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Incomplete]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;QuantaStor4&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;QuantaStor5&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:WebUI Dialog]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:WebUI Dialog]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Requires Review]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Requires Review]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key wikidb:diff:1.41:old-15874:rev-15894:php=table --&gt;
&lt;/table&gt;</summary>
		<author><name>Qadmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15874&amp;oldid=prev</id>
		<title>Qadmin at 23:56, 23 September 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15874&amp;oldid=prev"/>
		<updated>2019-09-23T23:56:11Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 23:56, 23 September 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph WAL device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals also known as &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) Devices are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph WAL device will map &amp;#039;&amp;#039;&amp;#039;O&amp;#039;&amp;#039;&amp;#039;bject &amp;#039;&amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;#039;torage &amp;#039;&amp;#039;&amp;#039;D&amp;#039;&amp;#039;&amp;#039;aemon &amp;#039;&amp;#039;&amp;#039;(OSD)&amp;#039;&amp;#039;&amp;#039; partitions to a logical partition on an SSD drive. Journals also known as &amp;#039;&amp;#039;&amp;#039;W&amp;#039;&amp;#039;&amp;#039;rite-&amp;#039;&amp;#039;&amp;#039;A&amp;#039;&amp;#039;&amp;#039;head &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;og (&amp;#039;&amp;#039;&amp;#039;WAL&amp;#039;&amp;#039;&amp;#039;) Devices are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Navigation:&#039;&#039;&#039; Scale-out &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Block &amp;amp; Object &lt;/del&gt;Storage --&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ceph Cluster &lt;/del&gt;--&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;WAL Devices &lt;/del&gt;--&amp;gt; Create &#039;&#039;(toolbar)&#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Navigation:&#039;&#039;&#039; Scale-out Storage &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Configuration &lt;/ins&gt;--&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Storage Media &lt;/ins&gt;--&amp;gt; --&amp;gt; Create &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Journal&lt;/ins&gt;&#039;&#039;(toolbar)&#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Qadmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15865&amp;oldid=prev</id>
		<title>Qadmin at 21:50, 23 September 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.osnexus.com/index.php?title=Create_Ceph_WAL_Device&amp;diff=15865&amp;oldid=prev"/>
		<updated>2019-09-23T21:50:18Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:50, 23 September 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create Ceph WAL Device.jpg|412px|thumb|Create a Write Ahead Log (WAL) device.]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Create Ceph WAL Device.jpg|412px|thumb|Create a Write Ahead Log (WAL) device.]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph WAL device will map &#039;&#039;&#039;O&#039;&#039;&#039;bject &#039;&#039;&#039;S&#039;&#039;&#039;torage &#039;&#039;&#039;D&#039;&#039;&#039;aemon &#039;&#039;&#039;(OSD)&#039;&#039;&#039; partitions to a logical partition on an SSD drive. &#039;&#039;&#039;W&#039;&#039;&#039;rite-&#039;&#039;&#039;A&#039;&#039;&#039;head &#039;&#039;&#039;L&#039;&#039;&#039;og (&#039;&#039;&#039;WAL&#039;&#039;&#039;) Devices are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A Ceph WAL device will map &#039;&#039;&#039;O&#039;&#039;&#039;bject &#039;&#039;&#039;S&#039;&#039;&#039;torage &#039;&#039;&#039;D&#039;&#039;&#039;aemon &#039;&#039;&#039;(OSD)&#039;&#039;&#039; partitions to a logical partition on an SSD drive. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Journals also known as &lt;/ins&gt;&#039;&#039;&#039;W&#039;&#039;&#039;rite-&#039;&#039;&#039;A&#039;&#039;&#039;head &#039;&#039;&#039;L&#039;&#039;&#039;og (&#039;&#039;&#039;WAL&#039;&#039;&#039;) Devices are flash based storage used to accelerate the write performance of OSDs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Navigation:&amp;#039;&amp;#039;&amp;#039; Scale-out Block &amp;amp; Object Storage --&amp;gt; Ceph Cluster --&amp;gt; WAL Devices --&amp;gt; Create &amp;#039;&amp;#039;(toolbar)&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Navigation:&amp;#039;&amp;#039;&amp;#039; Scale-out Block &amp;amp; Object Storage --&amp;gt; Ceph Cluster --&amp;gt; WAL Devices --&amp;gt; Create &amp;#039;&amp;#039;(toolbar)&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Qadmin</name></author>
	</entry>
</feed>