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628X reseated disk not failing back
For some reason, one of the disks in my readynas was reported failed. So it started rebuilding on the hotspare. I reseated the supposedly failed disk, and instead of promptly failing back from the ...
Okay, I guess. With our other storage (Dell/EMC and HP DL-class storage servers), the first thing done if a drive fails is just reseat it. The sync to the hotspare immediately stops and resyncing to the reseated drive begins and *then* its determined if the drive is actually bad. Because the system is intelligent enough to read the disk metadata and say "Oh, hey, I know you!" And a resync is faster to the reseated drive because the data is mostly already there.
But I'll just pop out the drive again and wait four or five days for the rebuild to complete. Then wait another four or five days for it to do it again. Doesn't seem like it should be that way, but I guess its how it is.
jcdick1 wrote:
And a resync is faster to the reseated drive because the data is mostly already there.
FWIW, not the case with the ReadyNAS. The system does not assume anything about the data on the reseated drive - the resync reconstructs every sector from the remaining drives in the volume.
jcdick1 wrote:
But I'll just pop out the drive again and wait four or five days for the rebuild to complete. Then wait another four or five days for it to do it again.
If you want to ensure that the inactive volume issue won't pop up again, then unformat the drive while it is out of the NAS. If you are testing it while it is removed (which I do recommend), then the test that writes zeros to the drive will of course unformat it for you.
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