We need to backport
commit 4271e23942bdc60e1fa6c0b26bc666a94a8b3e1d
Author: Karel Zak <kzak@xxxxxxxxxx>
Date: Mon Apr 27 15:00:57 2009 +0200
blkid: use /dev/mapper/<name> rather than /dev/dm-<N>
upstream patch to Fedora.
Karel
On Sat, Jun 13, 2009 at 01:48:17AM +0200, Laurent Jacquot wrote:
> Hello,
> I forgot to give my conf.
> I run a fully updated fedora 10
>
> [root@jack ~]# uname -a
> Linux jack.lutty.net 2.6.27.24-170.2.68.fc10.i686 #1 SMP Wed May 20
> 23:10:16 EDT 2009 i686 i686 i386 GNU/Linu
>
> If nobody has a clue about that, I will bug Zilla, probably under
> device-mapper-1.02.27-7.fc10.i386
>
> regards,
> laurent
>
>
> Le jeudi 11 juin 2009 à 23:32 +0200, Laurent Jacquot a écrit :
> > Hello,
> > I recently upgraded my raid array from 4 to 5 disks,
> > and mount no longer shows lv names but is /dev/dm-* style instead.
> > My setup is lvm on softraid
> >
> > blkid, cat /proc/mounts, df, etc.. are all affected
> >
> > How can I recover the normal behavior? Is it really caused by my
> > upgrade?
> > I recreated /etc/blkid, /etc/lvm/.cache.
> > I straced blkid (with no cache): it reads directly the data
> > from /proc/partitions.
> >
> > cat /proc/partitions shows (edited for simplicity)
> > major minor #blocks name
> >
> > 8 0 390711384 sda
> > 8 1 1020096 sda1
> > 8 16 390711384 sdb
> > 8 17 1020096 sdb1
> > 8 32 195360984 sdc
> > 8 33 1 sdc1
> > 8 48 195360984 sdd
> > 8 49 1 sdd1
> > 8 64 976762584 sde
> > 8 65 1 sde1
> > 9 1 78171648 md1
> > 253 0 2064384 dm-0
> > 253 1 2064384 dm-1
> > 253 2 10485760 dm-2
> > 253 3 12484608 dm-3
> > 253 4 4194304 dm-4
> > 9 2 78171904 md2
> > 9 0 1020032 md0
> > 9 3 78171904 md3
> > 253 5 136314880 dm-5
> > 253 6 62914560 dm-6
> > 253 7 37748736 dm-7
> > 253 8 31457280 dm-8
> > 253 9 20971520 dm-9
> >
> >
> > Should I file a bug? And if so, to which component
> >
> > example of output:
> > Filesystem Size Used Avail Use% Mounted on
> > /dev/dm-0 2.0G 505M 1.4G 27% /
> > /dev/md0 981M 40M 891M 5% /boot
> > /dev/dm-2 9.9G 5.8G 3.7G 62% /usr
> > /dev/dm-1 2.0G 38M 1.9G 2% /tmp
> > /dev/dm-3 12G 994M 11G 9% /var
> > /dev/dm-16 20G 12G 6.8G 64% /var/www/html
> > /dev/dm-15 36G 3.6G 32G 11% /home
> > /dev/dm-17 60G 38G 19G 67% /home/alex/Images
> > /dev/dm-18 20G 15G 3.9G 80% /home/alex/Mp3
> > /dev/dm-19 25G 21G 2.5G 90% /home/alex/vmware
> > /dev/dm-11 20G 13G 6.7G 65% /backup/www
> > /dev/dm-7 36G 3.6G 31G 11% /backup/home
> > /dev/dm-6 60G 38G 19G 68% /backup/Images
> > /dev/dm-9 20G 15G 3.8G 81% /backup/Mp3
> > /dev/dm-10 25G 173M 24G 1% /backup/vmware
> >
> > instead of
> > Filesystem Size Used Avail Use% Mounted on
> > /dev/mapper/rootvg-rootlv
> > 2.0G 505M 1.4G 27% /
> > /dev/md0 981M 40M 891M 5% /boot
> > /dev/mapper/rootvg-usrlv
> > 9.9G 5.8G 3.7G 62% /usr
> > /dev/mapper/rootvg-tmplv
> > 2.0G 38M 1.9G 2% /tmp
> > /dev/mapper/rootvg-varlv
> > 12G 936M 11G 9% /var
> > /dev/mapper/datavg-wwwlv
> > 20G 12G 6.8G 64% /var/www/html
> > /dev/mapper/datavg-homelv
> > 36G 3.5G 32G 10% /home
> > /dev/mapper/datavg-Imageslv
> > 60G 38G 19G 67% /home/alex/Images
> > /dev/mapper/datavg-mp3lv
> > 20G 15G 3.9G 80% /home/alex/Mp3
> > /dev/mapper/datavg-vmwarelv
> > 25G 21G 3.4G 86% /home/alex/vmware
> > /dev/mapper/sauv2vg-mp3lv
> > 20G 15G 3.8G 81% /backup/Mp3
> >
> > Thank you in advance,
> > Laurent
> >
> >
>
>
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--
Karel Zak <kzak@xxxxxxxxxx>
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