-- ESXi 5.x hosts fail to mount snapshots of VMFS5 volumes that are formatted with ATS-only capabilities

SUMMARY

Error on some Storage Arrays that fail when VAAI hardware is not supported.

ISSUE

When configuring ReliableDR  with Storage Arrays some jobs may fail to run a test if the storage array doesnt support VAAI hardware locking.

ReliableDR will be able to create hardware snapshots successfully but DR hosts will not be able to mount it.

There is a VMware KB article describing this issue:

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2006858

The workaround is to connect by SSH to DR ESX hosts and disable Hardware Locking running this command:

# esxcli system settings advanced set -i 0 -o /VMFS3/HardwareAcceleratedLocking

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