Re: btrfs partition fails to mount after power outage

2016-08-23 Thread Malte Westerhoff
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

Re: btrfs partition fails to mount after power outage

2016-08-23 Thread Chris Murphy
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. >

Re: btrfs partition fails to mount after power outage

2016-08-23 Thread Roman Mamedov
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 >

Re: btrfs partition fails to mount after power outage

2016-08-23 Thread Chris Murphy
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 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a

Re: btrfs partition fails to mount after power outage

2016-08-23 Thread Malte Westerhoff
>> 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

Re: btrfs partition fails to mount after power outage

2016-08-23 Thread Chris Murphy
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

Re: btrfs partition fails to mount after power outage

2016-08-23 Thread Chris Murphy
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

Re: btrfs partition fails to mount after power outage

2016-08-23 Thread Malte Westerhoff
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).

btrfs partition fails to mount after power outage

2016-08-23 Thread Malte Westerhoff
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