Fine for testing, but if running this on a production system you should tweak this so that your machine remains bootable should it crash at any stage of the procedure. On Thu, Nov 22, 2007 at 03:18:43PM +0000, Bryn M. Reeves wrote: > 1. Deactivate the VG Not necessary if done as follows. > 2. Create the cloned PV(s) > 3. For each original PV, create a filter entry in /etc/lvm/lvm.conf to > temporarily mask the PV from the LVM tools. Swap order there: the system's lvm.conf should mask out the new PVs *before* they get created. > Once the filters are set up, remove the LVM persistent cache: Never required: the pvscan will do that for you. Create a temporary alternative lvm system directory holding a copy of lvm.conf that has filters to accept only the new copies of the PVs and set LVM_SYSTEM_DIR to use it. Only now do step 2. > 4. Modify the cloned volume group name, ID and physical volume IDs to > avoid name and UUID clashes between the original and cloned devices: (with LVM_SYSTEM_DIR set) > 5. Remove filtering rules & verify both VGs co-exist correctly discard LVM_SYSTEM_DIR env var & directory Alasdair -- agk@redhat.com _______________________________________________ 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/
