FAQ

How to scan for bad blocks ?

Last modified date: 2022-03-30

Applied models:

All NAS Series

Applied Firmware:

4.4.1 and above

You may have received the following notification: "Host: Disk X: Medium error. Run a bad block scan on the drive. Replace the drive if the error persists”.

This means that the drive in question may have some bad sectors.

To scan for bad blocks, go to Storage & Snapshots > Disks/VJBOD > select the HDD in question and click on “Action” > “Scan for Bad Blocks”.

If any bad blocks are found, the HDD may fail, and would need to be replaced.

Related documents:

How to replace a failed drive in a RAID array

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