Dieter Stüken wrote: > any messages from syslog / dmesg? Jupp, these: device-mapper: unrecognised sync argument to mirror log: 2 device-mapper: dm-mirror: Error creating mirror dirty log device-mapper: error adding target to table device-mapper: unrecognised sync argument to mirror log: 2 device-mapper: dm-mirror: Error creating mirror dirty log device-mapper: error adding target to table device-mapper: device 253:1 too small for target device-mapper: error adding target to table > does it work while LV not active (i.E. boot from rescue CD)? Nope. :( ciao Dariush _______________________________________________ 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/