Template:CephManagementOperations - Revision history

Qadmin: /* Adding OSDs to a Ceph Cluster */

2023-12-19T21:48:10Z

Adding OSDs to a Ceph Cluster

← Older revision		Revision as of 21:48, 19 December 2023
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	== Adding OSDs to a Ceph Cluster ==		== Adding OSDs to a Ceph Cluster ==

	OSDs can be added to a Ceph Cluster at any time. Simply add more disk devices to existing nodes or add a new member to the Ceph Cluster which has unused storage. The new devices can be added as OSDs using the ''Create OSDs & Journals'' dialog as done previously.		OSDs can be added to a Ceph Cluster at any time. Simply add more disk devices to existing nodes or add a new member to the Ceph Cluster which has unused storage. The new devices can be added as OSDs using the ''Create OSDs & Journals'' dialog as done previously. The process can be done by simply pressing the '''Auto Config''' button which will optimize the process.

	[[File:Ceph-Add OSD Web.jpg\|1024px]]		[[File:Ceph-Add OSD Web.jpg\|1024px]]

Qadmin: /* Understanding the Cluster Health Dashboard */

2023-04-12T05:43:37Z

Understanding the Cluster Health Dashboard

← Older revision		Revision as of 05:43, 12 April 2023
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	The cluster health dashboard has two bars, one to show how much space is used and available, the second shows the overall health of the cluster. The health bar represents the combined health of all the "placement groups" for all pools in the cluster.		The cluster health dashboard has two bars, one to show how much space is used and available, the second shows the overall health of the cluster. The health bar represents the combined health of all the "placement groups" for all pools in the cluster.

	[[File:Cluster Health ~~Dashboard~~ Web.jpg\|1024px]]		[[File:Cluster Health Dash Web.jpg\|1024px]]

	If a node goes offline or a system is impacted such that the OSDs become unavailable this will cause the health bar to show some orange and/or red segments. Hover the mouse over the effected section to get more detail about the OSDs that are impacted.		If a node goes offline or a system is impacted such that the OSDs become unavailable this will cause the health bar to show some orange and/or red segments. Hover the mouse over the effected section to get more detail about the OSDs that are impacted.

Qadmin: /* Removing OSDs from a Cluster */

2023-04-12T05:35:40Z

Removing OSDs from a Cluster

← Older revision		Revision as of 05:35, 12 April 2023
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	* Select the ''Data & Journal Devices'' menu and click on ''Multi-Delete OSD'' in the ribbon bar. From here you can checkmark the OSDs that you wish to delete. Once all the desired ones are selected press ''OK'' and it'll begin the deletion process.		* Select the ''Data & Journal Devices'' menu and click on ''Multi-Delete OSD'' in the ribbon bar. From here you can checkmark the OSDs that you wish to delete. Once all the desired ones are selected press ''OK'' and it'll begin the deletion process.

	[[File:Ceph-~~OSDDelete~~.~~png~~\|~~920px\|Deleting an OSD~~]]		[[File:Ceph-OSD Multi Delete.jpg\|1024px]]

	* Deletion will take time, depending on how much data needs to be migrated to other OSDs in the Cluster		* Deletion will take time, depending on how much data needs to be migrated to other OSDs in the Cluster

Qadmin: /* Adding OSDs to a Ceph Cluster */

2023-04-12T05:29:17Z

Adding OSDs to a Ceph Cluster

← Older revision		Revision as of 05:29, 12 April 2023
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	OSDs can be added to a Ceph Cluster at any time. Simply add more disk devices to existing nodes or add a new member to the Ceph Cluster which has unused storage. The new devices can be added as OSDs using the ''Create OSDs & Journals'' dialog as done previously.		OSDs can be added to a Ceph Cluster at any time. Simply add more disk devices to existing nodes or add a new member to the Ceph Cluster which has unused storage. The new devices can be added as OSDs using the ''Create OSDs & Journals'' dialog as done previously.

	[[File:Ceph-~~AddOSD~~.~~png~~\|~~900px\|Adding a new OSD~~]]		[[File:Ceph-Add OSD Web.jpg\|1024px]]

	Note that if you are not adding additional SSD devices to be used as journal devices for the new OSDs that you must check the option to ''Allow provisioning from pre-existing Journal Groups'' which will use existing unused journal partitions for the newly create OSDs.		Note that if you are not adding additional SSD devices to be used as journal devices for the new OSDs that you must check the option to ''Allow provisioning from pre-existing Journal Groups'' which will use existing unused journal partitions for the newly create OSDs.

Qadmin: /* Adding a Node to a Ceph Cluster */

2023-04-12T05:02:57Z

Adding a Node to a Ceph Cluster

← Older revision		Revision as of 05:02, 12 April 2023
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	To add an additional System to the Ceph Cluster:		To add an additional System to the Ceph Cluster:
	# First add the System to the QuantaStor Grid		# First add the System to the QuantaStor Grid
	# Select Scale-out Storage Configuration-->Scale-out Cluster Management-->'''Add Member'''		# Select Scale-out Storage Configuration --> Scale-out Storage Clusters --> Scale-out Cluster Management --> '''Add Member'''

	[[File:~~A Ceph Member~~ Menu.jpg\|~~820px~~]]		[[File:Scale-out Strg Config Menu.jpg\|1024px]]

	The ''Add Member to Ceph Cluster'' dialogue box will pop-up:		The ''Add Member to Ceph Cluster'' dialogue box will pop-up:

Qadmin: /* Understanding the Cluster Health Dashboard */

2023-04-11T20:57:04Z

Understanding the Cluster Health Dashboard

← Older revision		Revision as of 20:57, 11 April 2023
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	The cluster health dashboard has two bars, one to show how much space is used and available, the second shows the overall health of the cluster. The health bar represents the combined health of all the "placement groups" for all pools in the cluster.		The cluster health dashboard has two bars, one to show how much space is used and available, the second shows the overall health of the cluster. The health bar represents the combined health of all the "placement groups" for all pools in the cluster.

	[[File:Cluster Health Dashboard Web.jpg\|~~712px~~]]		[[File:Cluster Health Dashboard Web.jpg\|1024px]]

	If a node goes offline or a system is impacted such that the OSDs become unavailable this will cause the health bar to show some orange and/or red segments. Hover the mouse over the effected section to get more detail about the OSDs that are impacted.		If a node goes offline or a system is impacted such that the OSDs become unavailable this will cause the health bar to show some orange and/or red segments. Hover the mouse over the effected section to get more detail about the OSDs that are impacted.

Qadmin: /* Understanding the Cluster Health Dashboard */

2023-04-11T20:54:52Z

Understanding the Cluster Health Dashboard

← Older revision		Revision as of 20:54, 11 April 2023
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	If a node goes offline or a system is impacted such that the OSDs become unavailable this will cause the health bar to show some orange and/or red segments. Hover the mouse over the effected section to get more detail about the OSDs that are impacted.		If a node goes offline or a system is impacted such that the OSDs become unavailable this will cause the health bar to show some orange and/or red segments. Hover the mouse over the effected section to get more detail about the OSDs that are impacted.

	[[File:Cluster ~~Offline~~ Dashboard Web~~.jpg~~.jpg\|~~712px~~]]		[[File:Ceph Cluster Health Dashboard Web.jpg\|1024px]]

	Additional detail is also available if the OSD section has been selected. If you've setup the cluster with OSDs that are using hardware RAID then your cluster will have an extra level of resiliency as disk drive failures will be handled completely within the hardware RAID controller and will not impact the cluster state.		Additional detail is also available if the OSD section has been selected. If you've setup the cluster with OSDs that are using hardware RAID then your cluster will have an extra level of resiliency as disk drive failures will be handled completely within the hardware RAID controller and will not impact the cluster state.

Qadmin: /* Adding OSDs to a Ceph Cluster */

2022-08-12T20:13:58Z

Adding OSDs to a Ceph Cluster

← Older revision		Revision as of 20:13, 12 August 2022
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	== Adding OSDs to a Ceph Cluster ==		== Adding OSDs to a Ceph Cluster ==

	OSDs can be added to a Ceph Cluster at any time. Simply add more disk devices to existing nodes or add a new member to the Ceph Cluster which has unused storage. ~~It is recommended to setup RAID5 hardware RAID units using the available spindles using the Hardware Controllers & Enclosures section. Afterwards the~~ new devices can be added as OSDs using the ''Create OSDs & Journals'' dialog as done previously.		OSDs can be added to a Ceph Cluster at any time. Simply add more disk devices to existing nodes or add a new member to the Ceph Cluster which has unused storage. The new devices can be added as OSDs using the ''Create OSDs & Journals'' dialog as done previously.

	[[File:Ceph-AddOSD.png\|900px\|Adding a new OSD]]		[[File:Ceph-AddOSD.png\|900px\|Adding a new OSD]]

Qadmin: /* Adding OSDs to a Ceph Cluster */

2022-08-12T20:01:42Z

Adding OSDs to a Ceph Cluster

← Older revision		Revision as of 20:01, 12 August 2022
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	== Adding OSDs to a Ceph Cluster ==		== Adding OSDs to a Ceph Cluster ==

	OSDs can be added to a Ceph Cluster at any time. Simply add more disk devices to existing nodes or add a new member to the Ceph Cluster which has unused storage. It is recommended to setup RAID5 hardware RAID units using the available spindles using the Hardware Controllers & Enclosures section. Afterwards the new devices can be added as OSDs using the ''~~Multi-OSD~~ Create'' dialog.		OSDs can be added to a Ceph Cluster at any time. Simply add more disk devices to existing nodes or add a new member to the Ceph Cluster which has unused storage. It is recommended to setup RAID5 hardware RAID units using the available spindles using the Hardware Controllers & Enclosures section. Afterwards the new devices can be added as OSDs using the ''Create OSDs & Journals'' dialog as done previously.

	[[File:~~Qs4~~-~~ui-dialogue-multi-create-osd-additional-v2~~.png\|900px]]		[[File:Ceph-AddOSD.png\|900px\|Adding a new OSD]]

	Note that if you are not adding additional SSD devices to be used as journal devices for the new OSDs that you must check the option to ''Use existing journal devices'' which will use existing unused journal partitions for the newly create OSDs.

			Note that if you are not adding additional SSD devices to be used as journal devices for the new OSDs that you must check the option to ''Allow provisioning from pre-existing Journal Groups'' which will use existing unused journal partitions for the newly create OSDs.

	== Removing OSDs from a Cluster ==		== Removing OSDs from a Cluster ==

Qadmin: /* Removing OSDs from a Cluster */

2022-08-12T19:42:19Z

Removing OSDs from a Cluster

← Older revision		Revision as of 19:42, 12 August 2022
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	# In multi-site configurations especially, make sure that the removal of the OSD doesn't put pools into a state where there are not enough copies of the data to continue read/write access to the storage. Ideally OSDs should be removed after re-weighting and subsequent re-balancing has completed.		# In multi-site configurations especially, make sure that the removal of the OSD doesn't put pools into a state where there are not enough copies of the data to continue read/write access to the storage. Ideally OSDs should be removed after re-weighting and subsequent re-balancing has completed.

	* Select the ''~~Scale-out Block~~ & ~~Object Storage~~'' menu and click on '''Delete''' ~~under the~~ ''~~Object Storage Daemon~~'' ~~section of~~ the ~~ribbon bar:~~		* Select the ''Data & Journal Devices'' menu and click on ''Multi-Delete OSD'' in the ribbon bar. From here you can checkmark the OSDs that you wish to delete. Once all the desired ones are selected press ''OK'' and it'll begin the deletion process.

	[[File:~~Delete OSD Menu~~.~~jpg~~\|~~700px~~]]		[[File:Ceph-OSDDelete.png\|920px\|Deleting an OSD]]

	~~This will open the ''Delete a Ceph Storage Daemon'' pop-up:~~

	~~[[File:Delete Ceph OSD.jpg\|312px]]~~

	* Selecting the OSD will display information about it
	* Deletion will take time, depending on how much data needs to be migrated to other OSDs in the Cluster		* Deletion will take time, depending on how much data needs to be migrated to other OSDs in the Cluster