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Solved
I was forced to power off ReadyNAS and now all disks are offline
When ReadyNAS powers on after power off, disks are offline. This information is in dmesg: [ 18.427668] systemd-journald[1361]: Received request to flush runtime journal from PID 1
[ 19.48483...
I got it back online with this command.
btrfs rescue zero-log /dev/md127
I know it is risky, but that is only option in this case.
jukkaforss wrote:
[ 61.590536] BTRFS error (device md127): parent transid verify failed on 14932132233216 wanted 27646257 found 27643074 [ 61.595845] BTRFS error (device md127): parent transid verify failed on 14932132233216 wanted 27646257 found 27643074 [ 61.595857] BTRFS warning (device md127): failed to read log tree [ 61.655455] BTRFS error (device md127): open_ctree failedIs there something can be done to get system online again?
The data volume's file system is corrupted. Options are to
- contact paid support (my.netgear.com). You'll likely need a data recovery contract: https://kb.netgear.com/69/ReadyNAS-Data-Recovery-Diagnostics-Scope-of-Service
- Do a factory default on the NAS, reconfigure it, and restore the data from your backup. Obviously not an option if you don't have a backup.
- Connect the disks to a Windows PC (either with SATA or with USB adapters/docks) and see if ReclaiMe can find the files. You'd then be able to offload them to other storage. https://www.reclaime.com/
I got it back online with this command.
btrfs rescue zero-log /dev/md127
I know it is risky, but that is only option in this case.
jukkaforss wrote:
I got it back online with this command.
btrfs rescue zero-log /dev/md127
I know it is risky, but that is only option in this case.
That's good news, but I wouldn't trust the file system integrity if it were my own system.
I suggest backing up the data, and then doing a factory default. Reconfigure the NAS, and restore the data from the backup.
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