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Poor write performance on E-Series when snapshot is created for VMware Horizon View

Last Updated:

Applies to

  • E-Series
  • VMware Horizon View with clone based snapshots
  • Windows Server 2019


Write performance severely impacted when snapshot is created for VMware Horizon View environment.

From SANtricity  Major Event Log (MEL):

IO shipping implicit volume transfer - Volume <vol name>

From VMware VMkernel.log:

NMP: nmp_DeviceRetryCommand:133: Device "naa.xxxxxxxxxxxxxxxxxxx": awaiting fast path state update for failover with I/O blocked. No prior reservation



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