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Forum Discussion
Data inaccessible - kernel BUG at fs/inode.c:556!
Hello, I am having an issue with my data volume being inactive. I recently updated the firmware from 6.9.5 to 6.10.2. After the update, I found the data volume as inactive. A log error of "kernel...
I have PMd the requested link on the 25th, but havent heard anything back. I really need to get this server up and running again. Anyone able to help?
Thanks,
Richard
Thanks,
Richard
weddlerr2 wrote:
I have PMd the requested link on the 25th, but havent heard anything back. I really need to get this server up and running again. Anyone able to help?
FYI - if you use the JohnCM_S convention (starting with the @ ), then the user will receive a notification of your post.
Hopefully he will respond soon. Likely responses:
- contact paid support for help mounting your volume
- do a factory default, rebuild the NAS, and restore files from backup.
One approach is to just do the factory default. You might end up having to do that in the end anyway.
Thankyou for the information StephenB. I appreciate your help. I have contacted Netgear and am more than willing to pay for support, but appartently they have a policy not to offer paid support to second hand equipment. This particular server was purchased used and registered under the previous owner. I guess I could move the drives to the previous server, but that as a RNDPU6000 running OS6. So service there is also unlikey. I can do a factory default, but prefer not to since my last backup was several months ago, but reluctantly, it is a option. Also, the original error is no longer showing in the diagnostics, and it looks like it was something to do with the unused bluetooth module. The server data folder is still inaccesible since the overflow of the system folder. The original problem remains... A little update for @JohnCM_S
Hi weddlerr2,
I have checked the logs and found these file system errors:
Jan 25 08:36:07 nas1 kernel: BTRFS critical (device md127): corrupt leaf: root=2 block=6001016242176 slot=129 bg_start=401608802304 bg_len=1073741824, invalid block group used, have 1073868800 expect [0, 1073741824)
Jan 25 08:36:07 nas1 kernel: BTRFS critical (device md127): corrupt leaf: root=2 block=6001016242176 slot=129 bg_start=401608802304 bg_len=1073741824, invalid block group used, have 1073868800 expect [0, 1073741824)
Jan 25 08:36:08 nas1 kernel: BTRFS critical (device md127): corrupt leaf: root=2 block=6001016242176 slot=129 bg_start=401608802304 bg_len=1073741824, invalid block group used, have 1073868800 expect [0, 1073741824)
Jan 25 08:36:08 nas1 kernel: BTRFS error (device md127): failed to read block groups: -5
Jan 25 08:36:08 nas1 kernel: BTRFS error (device md127): open_ctree failedAs what has StephenB has mentioned for this kind of issues, it will be best if you either go with NETGEAR Support or 3rd party data recovery in recovering your data or you can go ahead with the factory default and restore from your current backup.
Regards,
- Hi JohnCM_S
Thankyou for your help. I will try netgear support again. My previous attempt at paid support was refused since i purchased this from the original owner. Is there no way to access the files?Hi weddlerr2,
You can try booting the NAS in Volume read-only but I doubt you will still be able to access the files that way.
Using 3rd party data recovery software might be able to help you as well. You may wait for other Community members for suggestions on what recovery software you can use.
Regards,
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