Logical Disk Health (Local)

Summary

This monitor provides the availability status of the File System evaluated on the local node. Information is based on the 'df -k' and 'df -i' utility. This monitor will create a 'Critical' state change and alert if the logical disk (file system) that was previously online is no longer available on the active node.

File system health is determined by inspecting the mount table to identify permanent, mounted file systems. If a mounted file system identified in a previous iteration is not included in the current enumeration, it is considered unhealthy.

Configuration

Default Configuration

Overrides can be used to change the parameter values defined above for all instances or for specific instances or groups.

Causes

An unhealthy state indicates that a file system has gone offline. This may be caused by a disk being unmounted.

Resolutions

Inspect the Logical Disk in the Health Explorer. Health Explorer provides the critical information and a mechanism to remount a file system. You can remount a file system from Health Explorer using the 'Disk Health Mount' recovery task.

Optionally, you can use the Logical Disk description provided by the Health Explorer to manually mount the file system on the affected host with the 'mount' command.

Additional

This monitor is based on metric 16000.