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Briefly added HDD to RN10400 for faulty HDD instead of removing faulty drive,then removed both...
My RN10400 is populated with three 4GB disks over a possibility of four. As I have been getting error messages about my Disk2 for some time, as I noticed recently. I added an identical disk (same spe...
Docdany06 wrote:
I removed the new drive, then also removed the faulty drive. Indication of "Volume is degraded" in the Web interface (and "data Degraded" on the LED monitor) had me deeply troubled, and I let the NAS automatically turn itself off (as the Web interface indicated it would do) after 30 minutes.
I do not know whether I should have waited for syncing to be completed before removing the drives, and I do not know what is the consequence of my manipulations.
What you did might have cost you your data. With XRAID, if you insert a blank drive to the NAS, it automatically adds it to the array. That is not something you can reverse later on.
Try replacing Disk2 (leaving the replacement disk out), and then boot the NAS in read-only mode - pages 28-29 here: http://www.downloads.netgear.com/files/GDC/READYNAS-100/ReadyNAS_%20OS6_Desktop_HM_EN.pdf
If the data is accessible, then I recommend making a backup. You could then reboot the NAS normally, and then try removing disk2, and hot-inserting the replacement into the same slot. If that won't resync, you should try reformatting the replacement disk via the volume tab. It if still refuses to resync, you should probably just do a factory reset and restore the data from backup.
If the data is not accessible, then you will likely need data recovery. You could get that from Netgear, or you could purchase data recovery software such as ReclaiMe. Both are expensive.
Thanks StephenB
Rebooting in read-only mode did not reveal a favorable outcome, either leaving disk4 out or having it inserted for the boot. It even took two read-only boots before the NAS would come online. Volume is now empty.
Is there the possibility of recovering a snapshot, from which getting back most of my data?
Docdany06 wrote:
Is there the possibility of recovering a snapshot, from which getting back most of my data?
Snapshots are on the data volume, so if you can't mount the data volume, you can't access the snapshots. Also, almost all the datablocks in the snapshots are held in common with the main shares. They aren't independent copies of your data.
Data Recovery might have a chance (either Netgear's service : https://kb.netgear.com/69/ReadyNAS-Data-Recovery-Diagnostics-Scope-of-Service ) or trying ReclaiMe on your own.
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