<DIV>Hello,</DIV> <DIV> </DIV> <DIV>I do not have any error on PVCREATE, but I do not have more than one MD device registred on my PVSCAN. However, it is OK for the regular devices. Please help me, any clues? The following are console message: root# cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid5] read_ahead 1024 sectors md1 : active raid1 hdd4[1] hdb4[0] 2048192 blocks [2/2] [UU] md0 : active raid1 hdc4[1] hda4[0] 2048192 blocks [2/2] [UU] unused devices: <none> root# pvcreate /dev/md1 pvcreate -- physical volume "/dev/md1" successfully created root# pvcreate /dev/md0 pvcreate -- physical volume "/dev/md0" successfully created root# pvscan pvscan -- reading all physical volumes (this may take a while...) pvscan -- inactive PV "/dev/md0" is in no VG [1.95 GB] pvscan -- inactive PV "/dev/hdg4" is in no VG [1000.12 MB] pvscan -- inactive PV "/dev/hdh4" is in no VG [1000.12 MB] pvscan -- total: 3 [3.91 GB] / in use: 0 [0] / in no VG: 3 [3.91 GB] root# pvdisplay /dev/md1 pvdisplay -- ERROR "pv_read(): pv_create_name_from_kdev_t" no VALID physical volume "/dev/md1" root# pvdisplay /dev/md0 pvdisplay -- "/dev/md0" is a new physical volume of 1.95 GB root# pvdata /dev/md1 --- NEW Physical volume --- PV Name /dev/md1 VG Name PV Size 1.95 GB PV# 0 PV Status NOT available Allocatable NO Cur LV 0 PE Size (KByte) 0 Total PE 0 Free PE 0 Allocated PE 0 PV UUID Ke5PpL-bWgO-GTkR-E6Wt-QOzz-pRhy-cJQcPW </DIV> <hr size=1>Do you Yahoo!? New <a href="http://rd.yahoo.com/evt=1207/*http://sbc.yahoo.com/">DSL Internet Access</a> from SBC & Yahoo!</a>