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Multipathing on Solaris

Distribution: official part of Check_MK
License: GPL
Supported Agents: Solaris


This check monitors the state of multipathed SCSI devices on Solaris 10 systems using the "mpathadm" utility. It alerts if missing paths are reported by the OS.

Missing paths are determined by comparing the total number of paths with the current number of paths. The total number of paths is taken from the time the last inventory was made.

The check will return a "WARNING" if at least 50% of the paths to a LUN are working. The alert will return "CRITICAL" if less than 50% of the paths to a LUN are working.

The check will also return a "WARNING" if the number of total paths was not yet inventorized, or if the number of total paths has increased since last inventory.

Item

A service the WWID of the LUN.

Discovery

One service is created for each LUN that is reported by mpathadm. The total number of paths for each created service is also remembered during inventory.