High-availability VIF Management - Revision history

Qadmin: osn-seo-utilities: docs-active-directory-spn-failover-with-the-ha @ b83457fda786 (approved in the portal)

2026-10-07T20:00:19Z

osn-seo-utilities: docs-active-directory-spn-failover-with-the-ha @ b83457fda786 (approved in the portal)

Qadmin: Hand the Use cases and Creating a cluster VIF sections to the new Cluster VIFs page (QSTOR-12352, guideline 14), and correct two claims that page disproved live: the CLI examples used an address for --vif-resource, which accepts an object ID only (QSTOR-12510), and --convert-to-vif=true was described as keeping the address in service when it drops it (QSTOR-12508)

2026-09-04T00:50:43Z

Hand the Use cases and Creating a cluster VIF sections to the new Cluster VIFs page (QSTOR-12352, guideline 14), and correct two claims that page disproved live: the CLI examples used an address for --vif-resource, which accepts an object ID only (QSTOR-12510), and --convert-to-vif=true was described as keeping the address in service when it drops it (QSTOR-12508)

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Qadmin: Point the site cluster reference at the new Site Cluster Setup page, which now exists (QSTOR-12352)

2026-09-04T00:28:00Z

Point the site cluster reference at the new Site Cluster Setup page, which now exists (QSTOR-12352)

← Older revision		Revision as of 00:28, 4 September 2026
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	A '''storage grid''' is the management layer. It is the set of appliances you administer together through one interface, and it says nothing about high availability -- see [[Grid Configuration]]. Grid membership is a prerequisite: a site cluster can only be built from appliances that are already grid members.		A '''storage grid''' is the management layer. It is the set of appliances you administer together through one interface, and it says nothing about high availability -- see [[Grid Configuration]]. Grid membership is a prerequisite: a site cluster can only be built from appliances that are already grid members.

	A '''site cluster''' is the high-availability layer. It is a group of appliances at one location -- the location can span buildings, but the members are normally in close proximity, because they have to share a network. A site cluster is what runs the cluster software (corosync and pacemaker) that decides where a floating resource lives. A grid can contain several site clusters, and an appliance can belong to at most one. Site clusters are covered on [[Site ~~Clusters~~]].		A '''site cluster''' is the high-availability layer. It is a group of appliances at one location -- the location can span buildings, but the members are normally in close proximity, because they have to share a network. A site cluster is what runs the cluster software (corosync and pacemaker) that decides where a floating resource lives. A grid can contain several site clusters, and an appliance can belong to at most one. Site clusters are covered on [[Site Cluster Setup]].

	A '''cluster heartbeat ring''' is how the members of a site cluster tell whether each other are alive. It is a network path, not an address that serves clients: each member contributes one port, and every port in a ring must be on the same subnet. A site cluster has at least one ring and at most two, and two rings on separate networks is the recommended configuration, so that losing one network does not look like losing a node. The first ring is created for you when you create the site cluster.		A '''cluster heartbeat ring''' is how the members of a site cluster tell whether each other are alive. It is a network path, not an address that serves clients: each member contributes one port, and every port in a ring must be on the same subnet. A site cluster has at least one ring and at most two, and two rings on separate networks is the recommended configuration, so that losing one network does not look like losing a node. The first ring is created for you when you create the site cluster.
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	\|}		\|}

	Site cluster and heartbeat ring commands are covered on [[Site ~~Clusters~~]].		Site cluster and heartbeat ring commands are covered on [[Site Cluster Setup]].

	== Related pages ==		== Related pages ==

	* [[Site ~~Clusters~~]] -- the site cluster object, its members and its heartbeat rings		* [[Site Cluster Setup]] -- the site cluster object, its members and its heartbeat rings
	* [[Network Ports]] -- virtual interfaces, bonds, VLANs and static routes at the port level		* [[Network Ports]] -- virtual interfaces, bonds, VLANs and static routes at the port level
	* [[Grid Configuration]] -- the management grid a site cluster is built from		* [[Grid Configuration]] -- the management grid a site cluster is built from

Qadmin: Correct the site-cluster-rescan example: the command takes no arguments and acts on the local appliance's site cluster (QSTOR-12477)

2026-09-03T11:21:44Z

Correct the site-cluster-rescan example: the command takes no arguments and acts on the local appliance's site cluster (QSTOR-12477)

← Older revision		Revision as of 11:21, 3 September 2026
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	'''The Web UI and the cluster disagree about a VIF.''' If the VIF list shows a state that {{Code\|1=crm_mon -1}} contradicts, run a site cluster rescan. It re-reads the live cluster configuration and rebuilds QuantaStor's view of the rings, the VIFs and their location constraints from it, treating pacemaker as authoritative. It does not stop or restart anything.		'''The Web UI and the cluster disagree about a VIF.''' If the VIF list shows a state that {{Code\|1=crm_mon -1}} contradicts, run a site cluster rescan. It re-reads the live cluster configuration and rebuilds QuantaStor's view of the rings, the VIFs and their location constraints from it, treating pacemaker as authoritative. It does not stop or restart anything.

			The command takes no arguments and acts on the site cluster the appliance you run it on belongs to, so run it on a member:

	<pre style="font-size: smaller">		<pre style="font-size: smaller">
	qs site-cluster-rescan ~~--site=site-cluster-1~~		qs site-cluster-rescan
	</pre>		</pre>

Qadmin: New Administrator Guide page: cluster VIF failover, deliberate moves, location constraints, standby vs maintenance mode, scale-up vs scale-out; written from the product and verified on a live 3-node site cluster and 4-node Ceph site cluster (QSTOR-12352)

2026-09-03T11:20:13Z

New Administrator Guide page: cluster VIF failover, deliberate moves, location constraints, standby vs maintenance mode, scale-up vs scale-out; written from the product and verified on a live 3-node site cluster and 4-node Ceph site cluster (QSTOR-12352)

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