Not sure what to do with a drive


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So a drive in my monster unraid server starting complaining and said it had 8 read errors. Swapped it out, and I've pre cleared it six times so far, no read errors but it does have 1 pending sector. Need advice on what to do, should I trust it and stick it in another unraid server or toss it to the side?

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dd if=/dev/zero of=/dev/sdX bs=512

 

This will not be fast, but should write new data to all sectors. Another is badblocks -wsv /dev/sdX

 

You could run an extended smart test to try and locate which sector(s) are having trouble reading. That would allow you to focus on just the pending.

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I have had disks with 1 or 2 pending sectors. That never went away, never got worse. I think that after 6 preclears you are on pretty solid ground with the disk.

 

All software has bugs, including the firmware code in drives. And it may have just triggered a pending sector due to a bug.

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