Hello List The system uses lvm based on raid1. It seems that the PV of the raid1 is found also on the single disks that build the raid1 device: [ 147.121725] linux-472a dracut-initqueue[391]: WARNING: PV qG1QRz-Ivm1-QVwq-uaHV-va9w-wwXh-lIIOhV on /dev/sda2 was already found on /dev/md1. [ 147.123427] linux-472a dracut-initqueue[391]: WARNING: PV qG1QRz-Ivm1-QVwq-uaHV-va9w-wwXh-lIIOhV on /dev/sdb2 was already found on /dev/md1. [ 147.369863] linux-472a dracut-initqueue[391]: WARNING: PV qG1QRz-Ivm1-QVwq-uaHV-va9w-wwXh-lIIOhV prefers device /dev/md1 because device size is correct. [ 147.370597] linux-472a dracut-initqueue[391]: WARNING: PV qG1QRz-Ivm1-QVwq-uaHV-va9w-wwXh-lIIOhV prefers device /dev/md1 because device size is correct. [ 147.371698] linux-472a dracut-initqueue[391]: Cannot activate LVs in VG vghome while PVs appear on duplicate devices. This is a regression bug? since the user did not encounter this problem with lvm2 v2.02.177. Thanks Gang _______________________________________________ linux-lvm mailing list linux-lvm@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/