WMI Driver and Disk Redirect - Blue Screen and No Failover

[GSLJake]

Hi All,

We have a 2 Node HyperV Cluster with 3 Par Storage via iSCSI.

Sometimes on updating a host we see a disk is redirected - Sorry I have not recorded the error exactly - but its WMI Driver was attached to the disk - its seems to indicate a problem with a Veeam Component. Has anyone else seen this?

Also we get a very occasional Host 2 BSOD - and the roles do not failover - as the HA Works perfectly in a controlled situation for updates etc - I thought perhaps these things might be related?

Does anyone have an input please?

[karsten123]

do have a witness?
do you have any warnings in the cluster validation report?
what is going on in the event viewer at that time?