Hello Zdenek, On Wednesday 07 August 2013 02:43 PM, Zdenek Kabelac wrote: > > You are breaking the lvm2 logic thus pushing the code to go > through unexpected error code path - user is never supposed to open > so called 'private' /dev/mapper/ devices. Just checking if this applies to other device types of DM, or just LVM? We recommend our users to rely on /dev/mapper/* Multipath Devices, as _persistent_ ones. We also recommend to pvcreate on top of /dev/mapper/* Multipath Devices. _______________________________________________ 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/