Error Code [70:50] Failed to open volume

Article ID: UFS0004 Volume-level restore jobs fail with Failed to Open Volume error

Symptom

Volume-level restore jobs fail with the following error:

Error Code: [70:50]
Description: Failed to open volume[/blklv1].

Cause

Volume is not unmountable as the device is busy.

Resolution

Make sure the volume is unmountable, and check if any Commvault driver or an operating system process is holding the device.