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VMware ESXi 5.0 and EqualLogics SAN failure

wonsterps1
wonsterps1 asked
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Last Modified: 2012-06-27
Ran into an interesting issue this weekend when doing a storage vMotion from one EqualLogics array to another.  During the move of a live VM the ESXi (verison 5.0) lost connection to one of the volume in the the storage array and since our vCenter server was on that volume we also lost the management server.  At the same time another ESXi (version 5.0 also) lost connection to two volumes on the same storage array.  We had total of three arrays that were lost, but the VMs that are connected from another ESXi server to those volumes were still up and running.

Log onto the actual ESXi box but rescanning the storage or trying to get the storage back online did not work.  For some reason the iSCSI channel was being used and would not let go. The only solution seems to be to reboot the ESXi server.

Did anyone run into this kind of issue and what might of caused it and how to fix it?

Please help...

Our current setup...
3 ESXi (version 5.0) servers
   HA and DRS is turned on
   All servers in the same cluster
3 EqualLogics array in two different group connected via iSCSI
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