ocf_heartbeat_storage-mon - Man Page
storage I/O health status
Synopsis
storage-mon [start | stop | monitor | meta-data | validate-all]
Description
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.
Supported Parameters
- 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)
Supported Actions
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.
Example CRM Shell
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"
Example PCS
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"
See Also
Author
ClusterLabs contributors (see the resource agent source for information about individual authors)