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> In other news, all of the WDRed CMR drives in my ZFS array started throwing read errors simultaneously so I've ripped them all out. Is this multiple drives p
by CTDOCodebases 3y ago
> In other news, all of the WDRed CMR drives in my ZFS array started throwing read errors simultaneously so I've ripped them all out.
Is this multiple drives purchased around the time failing at the same time? Or is it a bad cable or controller?
- magicalhippo 3y agoI've had multiple cases of IO errors with ZFS, and just two of them were due to the disks. Rest were connection needing reseating or cables needed changing. If all of them went at the same time I'd try swapping to a different controller before I suspected the disks.
- CTDOCodebases 3y agoSame. I would try scrubbing with a different cable and if I was still getting errors I would switch cards and try another scrub.
- alias_neo 3y agoThey were all bought together and had the same load on, so quite reliable/predictable of them to all fail so close together. For the record, they have 43k power-on-hours, though nothing has been written to them much for the last ~3k hours as I had feeling something was off before they started reporting errors and migrated the data away.