ocf_heartbeat_storage-mon(7)

Usage

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

Overview

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"

History

Debian 13 (Trixie): the text shown here
Debian 12 (Bookworm)