Il 05/03/2013 21:24, jboyce@xxxxxxxxxxxxxxx ha scritto: > Greetings - > > Ok, I made a mistake that I need to fix. Fortunately it is not a > destructive mistake, but I need some advice on how to correct the problem. > > CentOS 6.3 host system named Earth > > I was creating some new logical volumes within my exiting volume group for > a new virtual machine using the LVM GUI. When I created the LV that I > plan to use for root partition of the new VM (Bacteria) I mistakenly > clicked on the box to mount the LV, and specified the mount point as /. > > [root@earth ~]# df -h > Filesystem Size Used Avail Use% Mounted on > /dev/mapper/vg_mei-lv_earthroot > 5.0G 3.9G 880M 82% / > tmpfs 5.9G 276K 5.9G 1% /dev/shm > /dev/sda1 485M 116M 344M 26% /boot > /dev/mapper/vg_mei-lv_earthvar > 3.0G 748M 2.1G 27% /var > /dev/mapper/vg_mei-lv_bacteriaroot > 5.0G 3.9G 880M 82% / > > I tried to unmount the device, but as shown below, it is busy. > > [root@earth ~]# umount /dev/mapper/vg_mei-lv_bacteriaroot > umount: /: device is busy. > (In some cases useful info about processes that use > the device is found by lsof(8) or fuser(1)) > > I tried to force unmount the device, but that failed also. > > [root@earth ~]# umount -f /dev/mapper/vg_mei-lv_bacteriaroot > umount2: Device or resource busy > umount: /: device is busy. > (In some cases useful info about processes that use > the device is found by lsof(8) or fuser(1)) > umount2: Device or resource busy > > > What other options are there. Is there are way to get this unmounted > without having to shutdown my host system and boot into rescue mode. I > don't really want to shutdown my active VM's while other staff are working > on them right now. > > Please cc me directly as I only receive the daily digest. Thanks. > > Jeff > Meridian Environmental > > > _______________________________________________ > CentOS-virt mailing list > CentOS-virt@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos-virt I don't know if this is usefull to you but you can try one of these: mount --bind olddir newdir or mount -o remount olddir newdir or mount --move olddir newdir Hope this can help you. Sincerely, Gabriele Matteelli _______________________________________________ CentOS-virt mailing list CentOS-virt@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos-virt
