Thank you! I did it this way and it worked perfectly! Jordi David Robinson wrote: > Jordi Prats wrote: >> Hi all, >> How can I define voluem groups and logical volumes using a disk image >> on a file that will be the root filesystem of another machine (not the >> one that is defining them)? > > The link below provides some details which may help. You can use losetup > to associate a loop device with a regular file, then treat it as you > would to a normal block device. > > http://fedoraproject.org/wiki/Docs/Fedora7VirtQuickStart#head-498c8bbe74fd334cf63a4f1f918be74c726238dd > > > ie: > > # create a sparse file to use as the block device in the guest > dd if=/dev/zero of=disk1.img seek=8096 bs=1M count=0 > > # setup a loopback device > losetup /dev/loop0 disk1.img > > /dev/loop0 can now be used like a normal block device. If you partition > the device thou it's slightly different - you need to use kpartx to make > the partitions usable. > > ie: > > # create a partition table on the device (/boot cannot be on an LVM volume) > fdisk /dev/loop0 > > # make the partitions visible (they will appear as /dev/mapper/loop0pX, > where X is a partition number) > kpartx -a /dev/loop0 > > # then you can use LVM on the devices > pvcreate /dev/mapper/loop0p1 > > The LVM's point of view there is nothing special that needs to be done > other than scanning for the volume groups (vgscan) and > activating/deactivating them (vgchange -ay <vg>/ vgchange -an <vg>). > > Dave > > _______________________________________________ > 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/ > > -- ...................................................................... __ / / Jordi Prats Català C E / S / C A Departament de Sistemes /_/ Centre de Supercomputació de Catalunya Gran Capità, 2-4 (Edifici Nexus) · 08034 Barcelona T. 93 205 6464 · F. 93 205 6979 · jprats@cesca.es ...................................................................... pgp:0x5D0D1321 ...................................................................... _______________________________________________ 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/
