Re: FS unmountable after RAID/LVM problems

2018-03-14 Thread Qu Wenruo
On 2018年03月14日 18:06, Dirk Gouders wrote: > Qu Wenruo writes: > >> On 2018年03月14日 17:36, Dirk Gouders wrote: >>> Qu Wenruo writes: >>> On 2018年03月14日 16:53, Dirk Gouders wrote: > Qu Wenruo writes: > >>

Re: FS unmountable after RAID/LVM problems

2018-03-14 Thread Qu Wenruo
On 2018年03月14日 17:36, Dirk Gouders wrote: > Qu Wenruo writes: > >> On 2018年03月14日 16:53, Dirk Gouders wrote: >>> Qu Wenruo writes: >>> On 2018年03月13日 22:49, Dirk Gouders wrote: [snip] >> >> # btrfs inspect dump-tree -b

Re: FS unmountable after RAID/LVM problems

2018-03-14 Thread Dirk Gouders
Qu Wenruo writes: > On 2018年03月14日 16:53, Dirk Gouders wrote: >> Qu Wenruo writes: >> >>> On 2018年03月13日 22:49, Dirk Gouders wrote: >>> [snip] > > # btrfs inspect dump-tree -b 848986112 /dev/loop0p1 > # btrfs inspect dump-tree -b

Re: FS unmountable after RAID/LVM problems

2018-03-14 Thread Qu Wenruo
On 2018年03月14日 16:53, Dirk Gouders wrote: > Qu Wenruo writes: > >> On 2018年03月13日 22:49, Dirk Gouders wrote: >> [snip] # btrfs inspect dump-tree -b 848986112 /dev/loop0p1 # btrfs inspect dump-tree -b 72089600 /dev/loop0p1 >>> >>> OK. >>> >>> (This mail

Re: FS unmountable after RAID/LVM problems

2018-03-14 Thread Dirk Gouders
Qu Wenruo writes: > On 2018年03月13日 22:49, Dirk Gouders wrote: > [snip] >>> >>> # btrfs inspect dump-tree -b 848986112 /dev/loop0p1 >>> # btrfs inspect dump-tree -b 72089600 /dev/loop0p1 >> >> OK. >> >> (This mail gets a bit long but I don't want to snip probably

Re: FS unmountable after RAID/LVM problems

2018-03-13 Thread Qu Wenruo
On 2018年03月13日 22:49, Dirk Gouders wrote: [snip] >> >> # btrfs inspect dump-tree -b 848986112 /dev/loop0p1 >> # btrfs inspect dump-tree -b 72089600 /dev/loop0p1 > > OK. > > (This mail gets a bit long but I don't want to snip probably important > information above.) > Feel free to snip. As

Re: FS unmountable after RAID/LVM problems

2018-03-13 Thread Dirk Gouders
Qu Wenruo writes: > On 2018年03月13日 22:21, Dirk Gouders wrote: >> Qu Wenruo writes: >> >>> On 2018年03月13日 21:29, Dirk Gouders wrote: Qu Wenruo writes: > On 2018年03月13日 21:01, Dirk Gouders wrote: >> Qu

Re: FS unmountable after RAID/LVM problems

2018-03-13 Thread Qu Wenruo
On 2018年03月13日 22:21, Dirk Gouders wrote: > Qu Wenruo writes: > >> On 2018年03月13日 21:29, Dirk Gouders wrote: >>> Qu Wenruo writes: >>> On 2018年03月13日 21:01, Dirk Gouders wrote: > Qu Wenruo writes: > >>

Re: FS unmountable after RAID/LVM problems

2018-03-13 Thread Dirk Gouders
Qu Wenruo writes: > On 2018年03月13日 21:29, Dirk Gouders wrote: >> Qu Wenruo writes: >> >>> On 2018年03月13日 21:01, Dirk Gouders wrote: Qu Wenruo writes: > On 2018年03月13日 16:53, Dirk Gouders wrote:

Re: FS unmountable after RAID/LVM problems

2018-03-13 Thread Qu Wenruo
On 2018年03月13日 21:29, Dirk Gouders wrote: > Qu Wenruo writes: > >> On 2018年03月13日 21:01, Dirk Gouders wrote: >>> Qu Wenruo writes: >>> On 2018年03月13日 16:53, Dirk Gouders wrote: >>> >>> >>> > find-root: > > # btrfs-find-root

Re: FS unmountable after RAID/LVM problems

2018-03-13 Thread Dirk Gouders
Qu Wenruo writes: > On 2018年03月13日 21:01, Dirk Gouders wrote: >> Qu Wenruo writes: >> >>> On 2018年03月13日 16:53, Dirk Gouders wrote: >> >> >> find-root: # btrfs-find-root /dev/loop0p1 Superblock thinks the generation is

Re: FS unmountable after RAID/LVM problems

2018-03-13 Thread Qu Wenruo
On 2018年03月13日 21:01, Dirk Gouders wrote: > Qu Wenruo writes: > >> On 2018年03月13日 16:53, Dirk Gouders wrote: > > > >>> find-root: >>> >>> # btrfs-find-root /dev/loop0p1 >>> Superblock thinks the generation is 9858294 >>> Superblock thinks the level is 1 >>> Found

Re: FS unmountable after RAID/LVM problems

2018-03-13 Thread Dirk Gouders
Qu Wenruo writes: > On 2018年03月13日 16:53, Dirk Gouders wrote: >> find-root: >> >> # btrfs-find-root /dev/loop0p1 >> Superblock thinks the generation is 9858294 >> Superblock thinks the level is 1 >> Found tree root at 848773120 gen 9858294 level 1 > > Tree root is

Re: FS unmountable after RAID/LVM problems

2018-03-13 Thread Qu Wenruo
On 2018年03月13日 16:53, Dirk Gouders wrote: > Hello all, > > a somewhat aged RAID array (16 Disks) got into trouble after it has > been powered off because of facility management maintenance tasks. > > It then went through some rebuilds loosing three disks on the way and > the whole procedure