knossos:/home/heidi# mdadm -C /dev/md0 -n2 -l 1 /dev/hdc missing
mdadm: array /dev/md0 started.
knossos:/home/heidi# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 hdc[0]
195360896 blocks [2/1] [U_]
unused devices: <none>
knossos:/home/heidi# pvcreate /dev/md0
Physical volume "/dev/md0" successfully created
knossos:/home/heidi# vgdisplay
--- Volume group ---
VG Name knossos
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 80
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 1
Max PV 0
Cur PV 1
Act PV 1
VG Size 186.31 GB
PE Size 4.00 MB
Total PE 47695
Alloc PE / Size 33280 / 130.00 GB
Free PE / Size 14415 / 56.31 GB
VG UUID xccB3F-8F8A-YzcP-jMNJ-rIkV-jxZ3-cueJwp
knossos:/home/heidi# pvdisplay
--- Physical volume ---
PV Name /dev/hdb
VG Name knossos
PV Size 186.31 GB / not usable 0
Allocatable yes
PE Size (KByte) 4096
Total PE 47695
Free PE 14415
Allocated PE 33280
PV UUID uti1WC-dIFW-4STS-v8Fr-VNiS-R8jx-fcCObn
--- NEW Physical volume ---
PV Name /dev/md0
VG Name
PV Size 186.31 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID weSMyC-dFYc-wkQ1-Km5O-N5z5-68fK-85Lfuv
knossos:/home/heidi# vgextend /dev/knossos /dev/md0
/var/lock/lvm/V_/dev/knossos: open failed: No such file or directory
Can't get lock for /dev/knossos
knossos:/home/heidi# vgextend knossos /dev/md0
Volume group "knossos" successfully extended
knossos:/home/heidi# vgdisplay
--- Volume group ---
VG Name knossos
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 81
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 1
Max PV 0
Cur PV 2
Act PV 2
VG Size 372.62 GB
PE Size 4.00 MB
Total PE 95390
Alloc PE / Size 33280 / 130.00 GB
Free PE / Size 62110 / 242.62 GB
VG UUID xccB3F-8F8A-YzcP-jMNJ-rIkV-jxZ3-cueJwp
knossos:/home/heidi# pvmove /dev/hdb -v
Finding volume group "knossos"
Archiving volume group "knossos" metadata.
Creating logical volume pvmove0
mirror: Required device-mapper target(s) not detected in your kernel
knossos:/home/heidi# modprobe dm-mirror
knossos:/home/heidi# pvmove /dev/hdb -v
Finding volume group "knossos"
Archiving volume group "knossos" metadata.
Creating logical volume pvmove0
Moving 20480 extents of logical volume knossos/home
Moving 12800 extents of logical volume knossos/cdimages
Found volume group "knossos"
Found volume group "knossos"
Updating volume group metadata
Creating volume group backup "/etc/lvm/backup/knossos"
Found volume group "knossos"
Found volume group "knossos"
Found volume group "knossos"
Loading knossos-pvmove0
Volume group knossos metadata is inconsistent
Volume group for uuid not found: xccB3F8F8AYzcPjMNJrIkVjxZ3cueJwpbFlPFexuk87RhLlyrADnO3fhvTt7RzVX
/dev/md0: Checksum error
Couldn't read volume group metadata.
Volume group knossos metadata is inconsistent
Volume group for uuid not found: xccB3F8F8AYzcPjMNJrIkVjxZ3cueJwpNvlkOKzchkxX5F4LINiZDQuxI2nMs0DT
Checking progress every 15 seconds
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
Inconsistent metadata copies found - updating to use version 82
/dev/hdb: Moved: 0.0%
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
/dev/hdb: Moved: 0.1%
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/hdb) called while suspended
WARNING: dev_open(/dev/md0) called while suspended
ABORTING: Can't find mirror LV in knossos for /dev/hdb