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Forum Discussion
Replaced one dying drive, now another is dead
Hello,
I have an Ultra 4 with 4x1TB Seagate drives.
For the last few weeks I've been getting email notifications regarding increasing ATA and SMART errors on drive #2. The warranty replacement drive arrived two days ago and I just swapped it with the OEM drive #2 yesterday. After the resync process, I got an email saying:
I checked in FrontView and the status shows drive #1 as dead and drive #2 as a spare. The home screen shows volume C: as being non-existant (more on that later.)
Here's the odd thing: when I reboot the NAS, FrontView will show drive #1 as being OK and it will show drive #2 as resyncing all over again and drive C: is accessible. But once I get the message about the resync finishing, drive #1 will show as dead again.
I don't care if the drive is dead, that'll just be the 3rd of the 4 OEM drives to fail on me, but I'm trying to understand the status and why it's doing what it is. Thanks!
I have an Ultra 4 with 4x1TB Seagate drives.
For the last few weeks I've been getting email notifications regarding increasing ATA and SMART errors on drive #2. The warranty replacement drive arrived two days ago and I just swapped it with the OEM drive #2 yesterday. After the resync process, I got an email saying:
RAID sync finished on volume C. The array is still in degraded mode, however. This can be caused by a disk sync failure or failed disks in a multi-parity disk array.
I checked in FrontView and the status shows drive #1 as dead and drive #2 as a spare. The home screen shows volume C: as being non-existant (more on that later.)
Here's the odd thing: when I reboot the NAS, FrontView will show drive #1 as being OK and it will show drive #2 as resyncing all over again and drive C: is accessible. But once I get the message about the resync finishing, drive #1 will show as dead again.
I don't care if the drive is dead, that'll just be the 3rd of the 4 OEM drives to fail on me, but I'm trying to understand the status and why it's doing what it is. Thanks!
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- Do you have an open support case? If not, please open one. Post your case number.
- Case #20289045 opened tonight. (Waited until I could try a couple experiments and get my data backed-up - just to be safe.)
- Turns out I was also having an issue with disk #1, but the ReadyNAS wasn't reporting it until after I did the sync with disk #2. Running a disk test from the boot menu confirmed it right away. Unfortunately, pulling out disk #1 after the sync had completed destroyed the volume… even though disk #1 worked if disk #2 was removed (so confused). So now I'm in the process of rebuilding my NAS setup. (Luckily my important data was backed-up.)
Though, even after a factory reset, with only 3x1TB drives, it says 50GB is being used. Is this space that it used for redundancy? I was never aware of it before.
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