NetWorker VMware Protection vProxy: VM snapshot creation task does not complete: An error occurred while taking a snapshot: Invalid change tracker error code

Sammanfattning: Dell NetWorker vProxy backup for a VM fails due to failing VMware snapshot. ERROR: Snapshot creation task failed: An error occurred while taking a snapshot: Invalid change tracker error code ...

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Symptom

VM backups performed through the NetWorker VMware Protection (NVP) vProxy appliance fail

The vProxy log reports: 
/opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-snapmgr.log

2023-02-28T01:24:10Z INFO: Connected to session on vCenter 'vcenter.local' Version '7.0.3 build-20845200, API:7.0.3.0', Uuid:#.
2023-02-28T01:24:10Z INFO: Creating snapshot type 'COPY' with timeout of 30 minutes ...
2023-02-28T01:24:10Z NOTICE: Snapshot free space threshold validation not requested.
2023-02-28T01:24:10Z INFO: Found virtual machine 'VMname' with MORef 'vm-#'.
2023-02-28T01:24:10Z INFO: Host 'esxihost.local' is running 7.0.3.
2023-02-28T01:24:10Z INFO: host version 7.0.3:true
2023-02-28T01:24:11Z ERROR: Snapshot creation task failed: An error occurred while taking a snapshot: Invalid change tracker error code.
2023-02-28T01:24:11Z ERROR: Unable to create quiesced snapshot: An error occurred while taking a snapshot: Invalid change tracker error code.
2023-02-28T01:24:11Z NOTICE: Snapshot free space threshold validation not requested.
2023-02-28T01:24:11Z WARN: Retrying as a non-quiesced snapshot: Unable to create quiesced snapshot: An error occurred while taking a snapshot: Invalid change tracker error code.
2023-02-28T01:24:11Z INFO: Task to create snapshot completed, errors = true.
2023-02-28T01:24:11Z ERROR: Unable to create non-quiesced snapshot after a retry attempt: An error occurred while taking a snapshot: Invalid change tracker error code.
2023-02-28T01:24:11Z INFO: Disconnected from session on vCenter 'vCenter.local'.

Orsak

A manual attempt to take a snapshot of the VM is failing within vCenter.

Upplösning

Workaround:

  1. vMotion the VM to another ESXi host.
  2. Run the manual snapshot again.
  3. Once a manual snapshot succeeds, the VM backup on the vProxy progresses
Contact VMware Support if a manual snapshot fails or if snapshot failures are persistent.

Overview of virtual machine snapshots in vSphere (1015180): https://kb.vmware.com/s/article/1015180 This hyperlink is taking you to a website outside of Dell Technologies.

Ytterligare information

NVP vProxy: Troubleshooting VMware Snapshot Issues during NetWorker backups.

Berörda produkter

NetWorker

Produkter

NetWorker Family, NetWorker Series
Artikelegenskaper
Artikelnummer: 000210940
Artikeltyp: Solution
Senast ändrad: 03 nov. 2023
Version:  5
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