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

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Category:
e-series-santricity-storage-manager
Specialty:
san
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Applies to

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

Issue

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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