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Q: Why is the volume status degraded?

2024-08-07




The NAS volume status is indicated as "degraded" due to one or more of the following reasons:

1. **Hard Drive Failure**  

   One of the drives in the RAID array has failed or is no longer functioning correctly. In a RAID setup, the failure of a single drive can cause the entire volume to enter a degraded state.

2. **Drive Disconnection**  

   A hard drive may have become disconnected or is not properly seated in its bay. This can occur due to physical disturbances or loose connections.

3. **Sector Errors**  

   One or more drives may have developed bad sectors or other read/write errors that have led to the RAID controller marking the volume as degraded.

4. **RAID Rebuild Interruption**  

   If a RAID rebuild process was initiated and then interrupted or failed, the volume can enter a degraded state.

You can check the above scenarios on the ADM-Storage Manager-Volume page.

 

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