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Re: umount doesn't seem to really unmount

To: xfs@xxxxxxxxxxx
Subject: Re: umount doesn't seem to really unmount
From: Gabriel VLASIU <gabriel@xxxxxxxxxx>
Date: Mon, 27 Aug 2012 09:56:17 +0300 (EEST)
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On Mon, 27 Aug 2012, Stefan Ring wrote:

> Regardless of the barriers, it doesn't explain this:
> 
> $ sudo mount -o barrier=1,inode64 /dev/mapper/vg_xfs2-lvxfs1 /xfs1
> $ sudo umount /xfs1
> $ sudo xfs_logprint /dev/mapper/vg_xfs2-lvxfs1
> xfs_logprint:
> xfs_logprint: /dev/mapper/vg_xfs2-lvxfs1 contains a mounted and
> writable filesystem
>     data device: 0xfd01
>     log device: 0xfd01 daddr: 83882016 length: 81912
Same here. Plain sata hdd. 3.5.2 (Fedora 17).

# mount | grep /saves
/dev/sdb1 on /saves type xfs 
(rw,seclabel,nosuid,nodev,noexec,relatime,attr2,noquota)
# umount /saves
# xfs_repair /dev/sdb1
xfs_repair: /dev/sdb1 contains a mounted filesystem

fatal error -- couldn't initialize XFS library

> As crazy as that sounds, I've just found out what triggers the
> situation. The weird behavior only manifests itself after this:
> 
> $ sudo service mysqld start
Does not work for me. It must be something else.


Sincerely,
Gabriel

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