Re: Btrfs check dont repair

[Hugo Mills <hugo@carfax.org.uk>]

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On Wed, Sep 23, 2015 at 04:39:27PM +0200, Vackář František wrote:
> Hello,
> 
> i have problem with my btrfs, can you help me, please? Its on my
> notebook. Sometimes it exhausted battery during sleep and died. But
> everytime FS was ok. But ones mount fail.
> 
> Do you have any idea how repair it?
[snip]
> [root@rak ~]# dmesg | tail
[snip]
> [ 4108.444472] BTRFS critical (device sdb2): corrupt leaf, bad key
> order: block=3242455040,root=1, slot=0

   You have bad RAM. You should run memtest and fix the hardware first.

   After that, there's some patches that should allow btrfs repair to
fix bad key orders in most situations -- I think David was picking
them up again, but I don't know what state they're in right now.

   Hugo.

> [ 4108.444649] BTRFS critical (device sdb2): corrupt leaf, bad key
> order: block=3242455040,root=1, slot=0
> [ 4108.444681] BTRFS error (device sdb2): Error removing orphan entry,
> stopping orphan cleanup
> [ 4108.444684] BTRFS error (device sdb2): could not do orphan cleanup -22
> [ 4111.047323] BTRFS: open_ctree failed
> 
> [root@rak ~]# uname -a
> Linux rak 4.1.2-2-ARCH #1 SMP PREEMPT Wed Jul 15 08:30:32 UTC 2015
> x86_64 GNU/Linux
> 
> [root@rak ~]# btrfs fi show /dev/sdb2
> Label: 'data'  uuid: 754a3186-c0ae-4680-ab28-864c8bdad8b5
>         Total devices 1 FS bytes used 1.23TiB
>         devid    1 size 1.72TiB used 1.24TiB path /dev/sdb2
> 
> btrfs-progs v4.2
> 
> [root@rak ~]# btrfs --version
> btrfs-progs v4.2
> 
> [root@rak ~]#   btrfs fi show
> Label: 'data'  uuid: 754a3186-c0ae-4680-ab28-864c8bdad8b5
>         Total devices 1 FS bytes used 1.23TiB
>         devid    1 size 1.72TiB used 1.24TiB path /dev/sdb2
> 
> btrfs-progs v4.2

-- 
Hugo Mills             | Sometimes, when I'm alone, I Google myself.
hugo@... carfax.org.uk |
http://carfax.org.uk/  |
PGP: E2AB1DE4          |

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