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Forum Discussion
meverz
Jan 07, 2015Apprentice
RN104 Extremely Slow Rebuild Time.
G'day, I am trying to expand my RN104 and it is taking an extremely long time. It is set to X-RAID2, with 2 3TB drives. I have added a third, and it is taking an way to long to rebuild. So far it h...
StephenB
Jan 08, 2015Guru - Experienced User
Read/write errors should have shown up in the smart data (in addition to power cycles if that were happening). I think you are actually meaning retries on the SATA bus, but they should be tracked in SMART as well. Should being the key word I guess. I'm not sure what would happen if the drive was simply receiving out-of-spec power, but had a solid bus connection. But I can imagine poor performance with no errors if the power were marginal.
After the rebuild completes, perhaps try powering down the NAS (from the UI), and move the green drive back to the questionable slot. Then power up. If there is no performance problem, then its probably the seating issue, and not the slot itself. If it is a bad slot, you should RMA the unit, since at some point in the future you will want to use all slots.
After the rebuild completes, perhaps try powering down the NAS (from the UI), and move the green drive back to the questionable slot. Then power up. If there is no performance problem, then its probably the seating issue, and not the slot itself. If it is a bad slot, you should RMA the unit, since at some point in the future you will want to use all slots.
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