Dne 19.4.2010 18:47, François Valenduc napsal(a): > Le 19/04/10 01:04, Phillip Susi a écrit : >> On 04/18/2010 04:54 AM, François Valenduc wrote: >>> Hello everybody, >>> >>> I am using gentoo and I use LVM snapshots to make backups of my system. >>> Unfortunately, I always have a problem to remove these. LVM always >>> complains that it can't remove an open logical volume. However, the >>> snapshot is unmounted when I try to remove it. It seems it's only >>> possible to remove the snapshot if the corresponding volume is >>> deactivated. So, I am forced to boot on a live cd to remove the snapshot >>> of my root partition. Is this really normal ? >> >> No, it is not normal. Obviously something on your system has the >> snapshot open. Perhaps it is being auto mounted? >> >> _______________________________________________ >> linux-lvm mailing list >> linux-lvm@redhat.com >> https://www.redhat.com/mailman/listinfo/linux-lvm >> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ >> > I would really like to know the process which has the snapshot open.The > script I use to backup my system is the following: > > #!/bin/sh > logrotate -v -f /etc/logrotate.conf > vgcfgbackup > lvcreate -L1G -n backup -s /dev/gentoo/root > if [ $? = 0 ]; then > if [ ! -e /mnt/backup ]; then > mkdir /mnt/backup > fi > mount -o ro /dev/gentoo/backup /mnt/backup > cd /mnt/backup > NAME="/home/francois/Backup/gentoo_64_$(date +%F).tar.bz2" > tar cvfpj ${NAME} --exclude=tmp/* * > cd / > umount /mnt/backup > if [ $? = 0 ]; then > sync > lvremove -f gentoo/backup > fi > fi > > > So, the snaphot is clearly unmounted before I try to remove it. But I > can almost never remove the snaphot. In fact, I have noticed that if I > don't use the "-f" option, I can remove the snapshot but it always fails > if I use it. But, I would like to use my script without any confirmation > message. Sounds like udev problem. Most probably gentoo stepped into the udev mine-field. It's hard to give a good advice - udev currently has its problems. You may try to experiment - try to disable udev to see whether it helps in this script case and renable after the script... Zdenek _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
