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Forum Discussion
ReadyNAS RN214 corruption on BTRFS
4x4TB in X-RAID, holds about 4TB in daily data and 1TB in daily snapshots. Used to work fine, when suddenly last Saturday it crashed. The shares disappeared. In a move to find a solution (and since I...
Thank you Stephen for the ultra-fast answer, it gives me a road to follow, I had seen the commands but I had not realized what they were doing. So, let me see if I got it ok:
1) Format a -let say -6TB USB disk in btrfs and mount it (let say to /media/USB_HDD_6)
2) I'll use something like
btrfs send /data/daily -c /data/daily/snapshot/c_2016_09_24__00_00_19 -c /data/daily/snapshot/c_2016_09_30__00_00_00 (and so on for all of my 30 snapshots) | btrfs receive /media/USB_HDD_6
3) Factory reset. Restore configuration. Maybe make my shares again from scratch (I have only two and only one has snaphots)
4) Restore form USB with something like:
btrfs send /media/USB_HDD_6/data/daily -c /media/USB_HDD_6/data/daily/snapshot/c_2016_09_24__00_00_19 (etc etc for all snapshots) | btrfs receive /data/daily
and I'm good to go ?
Exactly. There might be some snags (though I've read about these commands I haven't actually used them).
On 3) you should definitely recreate your shares, since they need to be in the ReadyNAS database.
I haven't tested this either and doing something like this yourself via SSH you'd have to deal with it on your own or perhaps with some help from the community if it doesn't work.
Yes, I understand. I have no problem with it, I may take the risk if I'll have to.
Of course if you have some other, more official, procedure, to recover such a corruption, I'm ready to hear it.
I have done nothing so far, since the commands are not working as above, I need to dig deep in the manual to make them work.
roryt wrote:
Of course if you have some other, more official, procedure, to recover such a corruption, I'm ready to hear it.
I don't work for Netgear, and I haven't seen any knowledge base articles on this. Perhaps someone from Netgear will chime in.
Of course there is the option of paid support.
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