ocf_heartbeat_storage-mon - storage I/O health status

ClusterLabscontributors(seetheresourceagentsourceforinformationaboutindividualauthors) resource-agents 4.16.0-3ubuntu 06/25/2025 OCF_HEARTBEAT_STORAG(7)

System health agent that checks the storage I/O status of the given drives and updates the #health-storage attribute. Usage is highly recommended in combination with the HealthSMART monitoring agent. The agent currently support a maximum of 25 devices per instance.

The following is an example configuration for a storage-mon resource using the crm(8) shell: primitive p_storage-mon ocf:heartbeat:storage-mon \ params \ drives=string \ op monitor timeout="120s" interval="30s" start-delay="0s"

The following is an example configuration for a storage-mon resource using pcs(8) pcs resource create p_storage-mon ocf:heartbeat:storage-mon \ drives=string \ op monitor timeout="120s" interval="30s" start-delay="0s"

ocf_heartbeat_storage-mon - storage I/O health status

This resource agent supports the following actions (operations): start Starts the resource. Suggested minimum timeout: 10s. stop Stops the resource. Suggested minimum timeout: 120s. monitor Performs a detailed status check. Suggested minimum timeout: 120s. Suggested interval: 30s. meta-data Retrieves resource agent metadata (internal use only). Suggested minimum timeout: 5s. validate-all Performs a validation of the resource configuration. Suggested minimum timeout: 10s.

state_file Location to store the resource state in. (unique, optional, string, default "/run/resource-agents/storage-mon-RESOURCE_ID.state") drives The drive(s) to check as a SPACE separated list. Enter the full path to the device, e.g. "/dev/sda". (unique, required, string, no default) io_timeout Specify disk I/O timeout in seconds. Minimum 1, recommended 10 (default). (optional, integer, default 10) check_interval Specify interval between I/O checks in seconds.(Only supported with the damonize option.) (optional, integer, default 30) inject_errors Used only for testing! Specify % of I/O errors to simulate drives failures. (optional, integer, no default) daemonize Specifies to start storage-mon as a daemon and check for devices. (optional, boolean, default false)

storage-mon [start | stop | monitor | meta-data | validate-all]