GitHub user daviftorres added a comment to the discussion: Volume Stuck in 
Snapshotting

Hi everyone, can we confirm that this issue is related to:

- https://github.com/apache/cloudstack/discussions/11923
- https://github.com/apache/cloudstack/issues/11893

It also appears to share the same root cause and symptoms as the NAS backup 
issue I reported earlier:

- https://github.com/apache/cloudstack/issues/11727

In summary, long-running jobs such as snapshots or backups (both copying data 
to NFS storage) eventually time out, and the job state never progresses 
(`Snapshotting` and `BackingUp` respectively).

In my testing, the backup operations themselves do not fail, CloudStack simply 
times out on checking for completion. I was able to manually restore from the 
copied .qcow2 files, and everything was intact (including a 7 TB volume that 
was ~5 TB utilized).

For context, during the tests we tried to increase the timeout settings:

- `backup.snapshot.wait` from the default `21600` to `216000` (from 1 hour to 
10 hours)
  - **No changes.**
- `commands.timeout` from the default empty to `CreateObjectCommand=14400` (4 
hours)
  - **Only the frontend stopped timing out.**

<img width="1423" height="304" alt="Screenshot 2025-10-29 113508" 
src="https://github.com/user-attachments/assets/f7f631b5-de0a-42e5-99ab-cc5ef10427a4";
 />


GitHub link: 
https://github.com/apache/cloudstack/discussions/11915#discussioncomment-14828637

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