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Unable to take backup of one server and backup is getting failed due to VSS subsystem issue.Attached screenshot for the same.Kindly suggest

sujoy ghosh
over 4 years ago

Unable to take backup of one server and backup is getting failed due to VSS subsystem issue.Attached screenshot for the same.Kindly suggest

Error
The transfer failed: 'There was a problem with the VSS subsystem on 'servername'
DoSnapshotSet failed with error: 'The system was unable to flush I/O writes. This can be a transient problem. It is recommended to wait ten minutes and try again, up to three times.'
Thanks
Sujoy
Parents
  • 0 over 4 years ago

    VSS Flush I/O can be common occurrence with Microsoft's Volume Shadow Copy service. It is not an issue with the Rapid Recovery agent but, since the agent depends on VSS, it is important to help address it. Note that, if you do a general search on the topic on the web, you will find that popular backup applications and their support sites address it.

    The common root cause is almost always high disk i/o at the time when the agent engages Microsoft Volume Shadow Copy service. We have a KB article that goes over the possible root causes and resolution steps. We have seen that clients just resort to rebooting the machine being backed up to resolve the issue, BUT it should be investigated, and steps taken, as guided by our KB included below.

    - https://support.quest.com/kb/117428/vss-backup-fails-with-the-system-was-unable-to-flush-i-o-writes-

    If you take the steps suggested, and still have issues, we can always help with a closer examination if you open a service request.

    I hope the above helps.

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  • 0 over 4 years ago

    VSS Flush I/O can be common occurrence with Microsoft's Volume Shadow Copy service. It is not an issue with the Rapid Recovery agent but, since the agent depends on VSS, it is important to help address it. Note that, if you do a general search on the topic on the web, you will find that popular backup applications and their support sites address it.

    The common root cause is almost always high disk i/o at the time when the agent engages Microsoft Volume Shadow Copy service. We have a KB article that goes over the possible root causes and resolution steps. We have seen that clients just resort to rebooting the machine being backed up to resolve the issue, BUT it should be investigated, and steps taken, as guided by our KB included below.

    - https://support.quest.com/kb/117428/vss-backup-fails-with-the-system-was-unable-to-flush-i-o-writes-

    If you take the steps suggested, and still have issues, we can always help with a closer examination if you open a service request.

    I hope the above helps.

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