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Trying to replace a bad drive, but working drive may be mid-sync
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I had a drive go out on my ReadyNAS - I *think* maybe when a sync was taking place. The bad drive was in the left bay, and was making a clicking sound. Even after removing it though, the NAS wasn't working. Frontview wouldn't load, but I could ssh into the unit and see the remaining drive.
The failed drive was under warranty, but with the new drive installed the fans stay on loudly with a slowling flashing blue light on the front. Without it the fan is quiet and but blue light flashes quickly.
I see the following under /var/log/frontview/enclosure.log:
fan!!1!!status=ok::descr=1666RPM
ups!!1!!status=ok::descr=Remote APC Back-UPS ES 750G Battery charge: 100%, 24 min
volume!!1!!status=resync::descr=Volume C: RAID Level X, Resync 11% complete, Time to finish -99 min, Speed 1 MB/s; 188 GB (20%) of 921 GB used
disk!!1!!status=ok::descr=Channel 1: WDC WD10EFRX-68FYTN0 931 GB, 36C/96F
disk!!2!!status=resync::descr=Channel 2: WDC WD10EARX-00PASB0 931 GB, 0C/32F[Resync 11% complete, Time to finish -99 min]
model!!0!!mode=home::descr=ReadyNAS Duo::arch=nsp
Boot!!FS_CHECK!! 39%
The drive seems to be physically fine. Is there any way that I can save the data? I thought that replacing a bad drive was supposed to be plug/play, but that seems not to be the case 😞
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@mgoblue62 wrote:
Any suggestions where to find a replacement?
https://www.newegg.com/Product/Product.aspx?Item=9SIAAPW7MW2487 claims to be compatible, if you google you will find others.
@mgoblue62 wrote:
I was half hoping it was the ReadyNAS, which would have given me an excuse to upgrade.
Microsoft obsoleting SMB 1.0 might be enough of an excuse
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Re: Trying to replace a bad drive, but working drive may be mid-sync
Can you see the shares and files from ssh (in the "C" folder)?
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Re: Trying to replace a bad drive, but working drive may be mid-sync
Yes, the files are all there - /c/home, /c/media, /c/backup
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Re: Trying to replace a bad drive, but working drive may be mid-sync
Ok. Then one option (though slow) is to connect a USB drive to your NAS and back up the files to the USB drive.
Did you try accessing the NAS over the network with windows file explorer? If that works, it will be faster to back up the data that way.
Note that your two drives are mirrored, so the one you didn't remove should still have all the same data on it.
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Re: Trying to replace a bad drive, but working drive may be mid-sync
Since I can ssh in to the drive, I suppose I could use WinSCP to copy the files off. Then I would basically start fresh with my replacement drive + existing drive?
I wish there were a simple way to tell the readynas, "no, the drive isn't in the process of syncing - it's just fine the way it is"
Once I get the files copied off, will I have to do a factory reset in order to get started with the new disk? I assume I'll have to delete the existing partition from the old disk.
Thanks so much for your assistance!
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Re: Trying to replace a bad drive, but working drive may be mid-sync
Hmmmm. Maybe I was a little too impatient. I just took a break for supper, and when I returned I found that Frontview was finally up! The logs showed "Volume scan found and corrected errors", and this time when I inserted the new disk it said "Disk add event occurred on SATA channel 1". It's doing a resync now, so hopefully all will be well again shortly.
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Re: Trying to replace a bad drive, but working drive may be mid-sync
@mgoblue62 wrote:
The logs showed "Volume scan found and corrected errors", and this time when I inserted the new disk it said "Disk add event occurred on SATA channel 1". It's doing a resync now, so hopefully all will be well again shortly.
Great. I do suggest checking for completeness, as the fsck repair might have resulted in some file deletions.
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Re: Trying to replace a bad drive, but working drive may be mid-sync
Ok - now we have a new problem. It turns out that the only reason the new disk started to work was that I had plugged it into a different ReadyNAS Duo V2 device. If I plug the disks back into the old device, the fan is loud and the blue light flashes quickly (twice/second or so).
Is there any way that I can troubleshoot the hardware of this NAS itself? Both sets of disks seem to be working in the other NAS.
Thanks,
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Re: Trying to replace a bad drive, but working drive may be mid-sync
@mgoblue62 wrote:
Is there any way that I can troubleshoot the hardware of this NAS itself? Both sets of disks seem to be working in the other NAS.
You've already ruled out the disks.
Next try swapping the power bricks.
Also, see if your flashing leds match one of these patterns:
LED blink behavior for 2 disk systems is three quick blinks of all disk LEDs and the backup LED, followed by an 1s delay, followed by a number of slow blinks. The number of slow blinks will be the error code.
Current error codes:
1 - Vendor mismatch
2 - No disks detected
3 - Bad contents on root partition of disks
4 - Flash error
5 - Unsupported RAID configuration
- replace the power brick
- try a USB recovery
The precise procedure for USB recovery on a v2 isn't documented - perhaps @mdgm-ntgr will chime in, and give advice if that is warranted.
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Re: Trying to replace a bad drive, but working drive may be mid-sync
Well, I'll be. By process of elimination, the root cause of the problem (other than the drive that died) is...the power brick! I was half hoping it was the ReadyNAS, which would have given me an excuse to upgrade.
Any suggestions where to find a replacement?
Thanks,
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@mgoblue62 wrote:
Any suggestions where to find a replacement?
https://www.newegg.com/Product/Product.aspx?Item=9SIAAPW7MW2487 claims to be compatible, if you google you will find others.
@mgoblue62 wrote:
I was half hoping it was the ReadyNAS, which would have given me an excuse to upgrade.
Microsoft obsoleting SMB 1.0 might be enough of an excuse
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Re: Trying to replace a bad drive, but working drive may be mid-sync
True enough - no more smb 1.0 causes several issues.
Thanks so much for all your assistance! 🙂