Veeam VMware: Errors occurred on the disk(s) of a Virtual SAN host Alarm

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    This monitor tracks the vCenter Alarm 'Errors occurred on the disk(s) of a Virtual SAN host'.

    By default, the alarm is triggered by the following event:

    • esx.problem.vob.vsan.lsom.diskerror: Virtual SAN device encountered a permanent error when devices were not readable or writeable.

    For more information on the issue, see this VMware KB article.


    This alarm doesnot resolve be default; go to the vSphere Client and clear the alarm manually.

    See the Help Center for more information including reference lists of all Rules and Monitors and full set of User Guides for the Veeam MP for VMware.

    See the VMware Online Documentation for more information on VMware vSphere, in particular: