[sheepdog-users] sbd with erasure code doesn't play well

[Liu Yuan]

On Sat, May 31, 2014 at 01:23:05AM +0200, Marcin Mirosław wrote:
> Hi!
> It looks like some kind of data corruption:
> # dog vdi list
>   Name        Id    Size    Used  Shared    Creation time   VDI id
> Copies  Tag
>   test21       0  5.0 GB   44 MB  0.0 MB 2014-05-31 01:10   46652c    2:1
>   test         0  300 GB  300 GB  0.0 MB 2014-05-31 00:28   7c2b25    2:1
>   test2        0  5.0 GB   44 MB  0.0 MB 2014-05-31 01:10   fd3815      2
> # cat /sys/bus/sbd/list
> 0 test
> 1 test2
> 2 test21
> 
> # mkfs.xfs -fq /dev/sbd1 && xfs_check /dev/sbd1
> # mkfs.xfs -fq /dev/sbd2 && xfs_check /dev/sbd2
> bad agf magic # 0 in ag 0
> bad agf version # 0 in ag 0
> block 0/0 expected type unknown got sb
> bad magic # 0x58465342 in btbno block 0/0
> bad magic # 0x58465342 in btcnt block 0/0
> block 0/3 expected type unknown got missing
> block 0/8 expected type unknown got missing
> block 0/9 expected type unknown got missing
> block 0/10 expected type unknown got missing
> block 0/11 expected type unknown got missing
> agf_btreeblks 0, counted 4294967294 in ag 0
> bad agf magic # 0 in ag 1
> bad agf version # 0 in ag 1
> [and many more errors]
> 
> Marcin
> -- 
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Thanks for your test, I pushed the fix to origin/sbd.

Yuan