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OCF_HEARTBEAT_RAID1(7) OCF resource agents OCF_HEARTBEAT_RAID1(7) NAME ocf_heartbeat_Raid1 - Manages Linux software RAID (MD) devices on shared storage SYNOPSIS Raid1 [start | stop | status | monitor | meta-data | validate-all] DESCRIPTION This resource agent manages Linux software RAID (MD) devices on a shared storage medium. It uses mdadm(8) to start, stop, and monitor the MD devices. Raidtools are supported, but deprecated. See https://raid.wiki.kernel.org/index.php/Linux_Raid for more information. SUPPORTED PARAMETERS raidconf The RAID configuration file, e.g. /etc/mdadm.conf. (required, string, no default) raiddev One or more block devices to use, space separated. Alternatively, set to "auto" to manage all devices specified in raidconf. (required, string, no default) homehost The value for the homehost directive; this is an mdadm feature to protect RAIDs against being activated by accident. It is recommended to create RAIDs managed by the cluster with "homehost" set to a special value, so they are not accidentally auto-assembled by nodes not supposed to own them. (optional, string, no default) force_stop If processes or kernel threads are using the array, it cannot be stopped. We will try to stop processes, first by sending TERM and then, if that doesn't help in 3 seconds, using KILL. The lsof(8) program is required to get the list of array users. Of course, the kernel threads cannot be stopped this way. If the processes are critical for data integrity, then set this parameter to false. Note that in that case the stop operation will fail and the node will be fenced. (optional, boolean, default true) udev Wait until udevd creates a device in the start operation. On a normally loaded host this should happen quickly, but you may be unlucky. If you are not using udev set this to "no". (optional, boolean, default true) force_clones Activating the same md RAID array on multiple nodes at the same time will result in data corruption and thus is forbidden by default. A safe example could be an array that is only named identically across all nodes, but is in fact distinct. Only set this to "true" if you know what you are doing! (optional, boolean, default false) SUPPORTED ACTIONS This resource agent supports the following actions (operations): start Starts the resource. Suggested minimum timeout: 20s. stop Stops the resource. Suggested minimum timeout: 20s. status Performs a status check. Suggested minimum timeout: 20s. Suggested interval: 10s. monitor Performs a detailed status check. Suggested minimum timeout: 20s. Suggested interval: 10s. validate-all Performs a validation of the resource configuration. Suggested minimum timeout: 5s. meta-data Retrieves resource agent metadata (internal use only). Suggested minimum timeout: 5s. EXAMPLE CRM SHELL The following is an example configuration for a Raid1 resource using the crm(8) shell: primitive p_Raid1 ocf:heartbeat:Raid1 \ params \ raidconf=string \ raiddev=string \ op monitor depth="0" timeout="20s" interval="10s" EXAMPLE PCS The following is an example configuration for a Raid1 resource using pcs(8) pcs resource create p_Raid1 ocf:heartbeat:Raid1 \ raidconf=string \ raiddev=string \ op monitor OCF_CHECK_LEVEL="0" timeout="20s" interval="10s" SEE ALSO http://clusterlabs.org/ AUTHOR ClusterLabs contributors (see the resource agent source for information about individual authors) resource-agents 4.13.0 04/12/2025 OCF_HEARTBEAT_RAID1(7)
NAME | SYNOPSIS | DESCRIPTION | SUPPORTED PARAMETERS | SUPPORTED ACTIONS | EXAMPLE CRM SHELL | EXAMPLE PCS | SEE ALSO | AUTHOR
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