Re: BUG: Metadata corruption detected at xfs_attr3_leaf_read_verify

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On Mon, Oct 31, 2016 at 09:54:00AM +0100, Libor Klepáč wrote:
> Hello,
> i have upgrade VM called vps1 in original email (the one on bottom of email)
> to debian kernel 4.7.8-1~bpo8+1 and compiled xfsprogs 4.8.0.
> 
> Here is output of xfs_repair -n and xfs_repair. Is it supposed to write if/
> what is being repaired, when i forgot -v option?
> 

Yes, xfs_repair will write some things to the fs when -n is not provided
(if that was your question?).

> With regards, 
> Libor
> 
> root@vps1:~# xfs_repair -n /dev/vgEOSVPS1Disk2/lvData 
> Phase 1 - find and verify superblock...
> Phase 2 - using internal log
>         - zero log...
>         - scan filesystem freespace and inode maps...
>         - found root inode chunk
> Phase 3 - for each AG...
>         - scan (but don't clear) agi unlinked lists...
>         - process known inodes and perform inode discovery...
>         - agno = 0
>         - agno = 1
>         - agno = 2
>         - agno = 3
>         - process newly discovered inodes...
> Phase 4 - check for duplicate blocks...
>         - setting up duplicate extent list...
>         - check for inodes claiming duplicate blocks...
>         - agno = 0
>         - agno = 1
>         - agno = 2
>         - agno = 3
> No modify flag set, skipping phase 5
> Phase 6 - check inode connectivity...
>         - traversing filesystem ...
>         - traversal finished ...
>         - moving disconnected inodes to lost+found ...
> Phase 7 - verify link counts...
> No modify flag set, skipping filesystem flush and exiting.
> 

Hmm, and it looks like all is well with the fs. Have you reproduced the
original issue since updating the kernel as well?

Brian

> -----
> 
> root@vps1:~# xfs_repair /dev/vgEOSVPS1Disk2/lvData 
> Phase 1 - find and verify superblock...
> Phase 2 - using internal log
>         - zero log...
>         - scan filesystem freespace and inode maps...
>         - found root inode chunk
> Phase 3 - for each AG...
>         - scan and clear agi unlinked lists...
>         - process known inodes and perform inode discovery...
>         - agno = 0
>         - agno = 1
>         - agno = 2
>         - agno = 3
>         - process newly discovered inodes...
> Phase 4 - check for duplicate blocks...
>         - setting up duplicate extent list...
>         - check for inodes claiming duplicate blocks...
>         - agno = 0
>         - agno = 1
>         - agno = 2
>         - agno = 3
> Phase 5 - rebuild AG headers and trees...
>         - reset superblock...
> Phase 6 - check inode connectivity...
>         - resetting contents of realtime bitmap and summary inodes
>         - traversing filesystem ...
>         - traversal finished ...
>         - moving disconnected inodes to lost+found ...
> Phase 7 - verify and correct link counts...
> done
> 
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