PowerStore: Setting a snapshot policy fails with error message "A specified parameter was not correct: spec.deviceChange.device"

Summary: When a customer migrates virtual machines from a VMFS datastore to a vVol and then assigns a PowerStore storage protection policy (snapshot rule) to the vVol, the migration is successful, but the policy assignment may occasionally fail. ...

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Symptoms

  • When the customer performs Storage vMotion from VMFS to vVol datastore and sets a snapshot protection policy(storage policy) simultaneously, Storage vMotion succeeds but the storage policy assignment may fail.
  • This issue is more likely to occurs when there is a large number of VM migrations from VMFS to vVol.
Policy assignment fails with the below error message:
A specified parameter was not correct: spec.deviceChange.device Storage policy change failure: One of the parameters supplied is invalid.

Cause

This issue is being investigated by VMware, as issue DCPN 00127169.

Resolution

Workaround:
  • Retry setting the VM snapshot policy again after Storage vMotion completes.
  • If the policy fails to be updated, Contact Dell Technical Support to confirm this issue has occurred. Reference this KB Article in the Service Request for expedited handling. 

Affected Products

PowerStore
Article Properties
Article Number: 000226434
Article Type: Solution
Last Modified: 27 Jun 2024
Version:  1
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