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Re: xfs_growfs: XFS_IOC_FSGROWFSDATA xfsctl failed: Structure needs clea

To: Andreas Klauer <Andreas.Klauer@xxxxxxxxxxxxxx>
Subject: Re: xfs_growfs: XFS_IOC_FSGROWFSDATA xfsctl failed: Structure needs cleaning
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Thu, 18 Jul 2013 21:13:06 +1000
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20130718110437.GA8090@EIS>
References: <20130718110437.GA8090@EIS>
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, Jul 18, 2013 at 01:04:37PM +0200, Andreas Klauer wrote:
> Hi,
> 
> having some problems growing XFS, using Linux 3.10.1 x86_64, xfsprogs 3.1.11.
> 
> The filesystem is on LVM, and I made the volume larger. I did this several 
> times before and it never causes any issue.
> 
> This time, trying to grow the filesystem failed and it seemed corrupt. 
> xfs_repair restored its original size somehow (even though shrinking is 
> not supposed to be possible?). Unfortunately I did not save the output 
> of the commands the first time around, but the issue is reproducable 
> in its current state.
> 
> If anyone could tell me what I'm doing wrong?
> 
> # mount
> > /dev/mapper/lvm-xfs on /mnt/xfs type xfs (rw)
> 
> # df -h
> > /dev/mapper/lvm-xfs          2.0T  1.9T  102G  95% /mnt/xfs
> 
> # blockdev --getsize64 /dev/lvm/xfs
> > 2306397437952
> 
> # xfs_info /mnt/xfs
> > meta-data=/dev/mapper/lvm-xfs    isize=256    agcount=16, agsize=32768000 
> > blks
> >          =                       sectsz=4096  attr=2
> > data     =                       bsize=4096   blocks=524288000, imaxpct=25
> >          =                       sunit=0      swidth=0 blks
> > naming   =version 2              bsize=4096   ascii-ci=0
> > log      =internal               bsize=4096   blocks=32768, version=2
> >          =                       sectsz=4096  sunit=1 blks, lazy-count=1
> > realtime =none                   extsz=4096   blocks=0, rtextents=0
> 
> # xfs_growfs /mnt/xfs
> > meta-data=/dev/mapper/lvm-xfs    isize=256    agcount=16, agsize=32768000 
> > blks
> >          =                       sectsz=4096  attr=2
> > data     =                       bsize=4096   blocks=524288000, imaxpct=25
> >          =                       sunit=0      swidth=0 blks
> > naming   =version 2              bsize=4096   ascii-ci=0
> > log      =internal               bsize=4096   blocks=32768, version=2
> >          =                       sectsz=4096  sunit=1 blks, lazy-count=1
> > realtime =none                   extsz=4096   blocks=0, rtextents=0
> > xfs_growfs: XFS_IOC_FSGROWFSDATA xfsctl failed: Structure needs cleaning
> > data blocks changed from 524288000 to 563085312

What's in dmesg?

> > Phase 2 - using internal log
> >         - zero log...
> >         - scan filesystem freespace and inode maps...
> > primary/secondary superblock 4 conflict - AG superblock geometry info 
> > conflicts with filesystem geometry
> > reset bad sb for ag 4
> > primary/secondary superblock 2 conflict - AG superblock geometry info 
> > conflicts with filesystem geometry
> > reset bad sb for ag 2
> > primary/secondary superblock 1 conflict - AG superblock geometry info 
> > conflicts with filesystem geometry
> > reset bad sb for ag 1
> > primary/secondary superblock 3 conflict - AG superblock geometry info 
> > conflicts with filesystem geometry
> > reset bad sb for ag 3
> > sb_icount 0, counted 8704
> > sb_ifree 0, counted 854
> > sb_fdblocks 0, counted 26540703

So it looks like it got to AG 5 and failed for some reason....

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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