[linux-lvm] 5 out of 6 Volumes Vanished!

[Mache Creeger <mache creeger com>]

Most of my volumes have vanished, except for Vol0.  I had 6 volumes
set up with lvm.  Vol5 had 600 GB of data running over RAID5 using
XFS.  

Can anyone help.  

Here are some diagnostics.  

-- Mache Creeger

# mdadm -A /dev/md0
mdadm: device /dev/md0 already active - cannot assemble it

# cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4]
md0 : inactive hdi1[5](S) hdb1[0] hdh1[4] hdg1[3] hdf1[2] hde1[1]
      1172151808 blocks

unused devices: <none>

# more /proc/mdstat
Personalities : [raid6] [raid5] [raid4]
md0 : inactive hdb1[0] hdh1[4] hdg1[3] hdf1[2] hde1[1]
      976791040 blocks

# mdadm --detail /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Sat Apr  8 10:01:48 2006
Raid Level : raid5
Device Size : 195358208 (186.31 GiB 200.05 GB)
Raid Devices : 6
Total Devices : 5
Preferred Minor : 0
Persistence : Superblock is persistent

Update Time : Sat Oct 21 22:30:40 2006
State : active, degraded
Active Devices : 5
Working Devices : 5
Failed Devices : 0
Spare Devices : 0

Layout : left-symmetric
Chunk Size : 256K

UUID : 0e3284f1:bf1053ea:e580013b:368be46b
Events : 0.3090999

Number   Major   Minor   RaidDevice
State
0      
3      
65       
0      active sync   /dev/hdb1
1     
33       
1       
1      active sync   /dev/hde1
2      33      
65       
2      active sync   /dev/hdf1
3     
34       
1       
3      active sync   /dev/hdg1
4      34      
65       
4      active sync   /dev/hdh1
0      
0       
0        0     
removed

# more /etc/fstab
/dev/VolGroup00/LogVol00
/                      
ext3    defaults       
1 1
LABEL=/boot            
/boot                  
ext3    defaults       
1 2
devpts                 
/dev/pts               
devpts  gid=5,mode=620  0 0
tmpfs                  
/dev/shm               
tmpfs   defaults        0
0
/dev/VolGroup04/LogVol04
/opt                   
ext3    defaults       
1 2
/dev/VolGroup05/LogVol05
/opt/bigdisk           
xfs    
defaults        1 2
proc                   
/proc                  
proc    defaults       
0 0
sysfs                  
/sys                   
sysfs   defaults        0
0
/dev/VolGroup01/LogVol01
/usr                   
ext3    defaults       
1 2
/dev/VolGroup02/LogVol02
/var                   
ext3    defaults       
1 2
/dev/VolGroup03/LogVol03
swap                   
swap    defaults       
0 0

# xfs_repair /dev/VolGroup05/LogVol05
/dev/VolGroup05/LogVol05: No such file or directory

fatal error -- couldn't initialize XFS library