The output for btrfs-debug-tree –d /dev/… is quite large – so I have placed it
here:
https://cloud.visageimaging.com/index.php/s/Q7ILbVWFoGeckCI
The –b one is this:
quickstore2:~/btrfs-progs # ./btrfs-debug-tree -b 29556736
/dev/mapper/VGBIGRAID6-DATA1
btrfs-progs v4.7
parent transid verify
On Tue, Aug 23, 2016 at 9:51 AM, Malte Westerhoff
wrote:
> >> btrfs-show-super -fa /d/dev/mapper/VGBIGRAID6-DATA1
>
>>Where is this output?
>
> I had attached it as a separate file. Here it is again:
Sorry, missed that there was an attachment.
>
On Tue, 23 Aug 2016 12:30:35 +
Malte Westerhoff wrote:
> parent transid verify failed on 7375567323136 wanted 52059 found 52045
> parent transid verify failed on 7375567323136 wanted 52059 found 52045
> Error: could not find btree root extent for root 12974
>
On Tue, Aug 23, 2016 at 10:05 AM, Chris Murphy wrote:
>btrfs-find-root -d /dev/mapper/VGBIGRAID6-DATA1
I meant to ask for
btrfs-debug-tree -d /dev/...
--
Chris Murphy
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>> btrfs-show-super -fa /dev/mapper/VGBIGRAID6-DATA1
>Where is this output?
I had attached it as a separate file. Here it is again:
superblock: bytenr=65536, device=/dev/mapper/VGBIGRAID6-DATA1
-
csum
On Tue, Aug 23, 2016 at 9:19 AM, Malte Westerhoff
wrote:
> Hi Chris,
> Thanks for the response.
> Yes, there is one large raid6 on which there is one LVM physical volume,
> which has four logical volumes that each have a btrfs file system.
> Only one of them fails
On Tue, Aug 23, 2016 at 6:30 AM, Malte Westerhoff
wrote:
> Hi,
> I hope this is the right list for this problem report.
>
> After an unclean shutdown of a server due to power outage, one of the
> partitions fails to mount.
> mount -o recovery ...,mount -o
Hi Chris,
Thanks for the response.
Yes, there is one large raid6 on which there is one LVM physical volume, which
has four logical volumes that each have a btrfs file system.
Only one of them fails to mount, the other three are fine (data2...4).
The RAID itself claims to be clean (see below).
Hi,
I hope this is the right list for this problem report.
After an unclean shutdown of a server due to power outage, one of the
partitions fails to mount.
mount -o recovery ...,mount -o recovery,ro ..., mount -o ro do not help. They
produce this error in the log:
[ 5464.525816] BTRFS info