On Fri, Mar 02, 2012 at 06:11:52AM +0400, George Shuklin wrote: > If I attach a readonly snapshot of same disk as system disk, I'm getting > message of duplicate ID (obvious, huh). But snapshot is in readonly, so > there is no way to rename it or change ID. Changing ID of system LVM is > not really good idea. All you can do then is set up filters so each cmd only sees the disks you want it to see. Temporarily, --config lets you do this on each cmdline. For a permanent setup, another option is to use a separate lvm.conf by setting LVM_SYSTEM_DIR in the environment. Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel