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[linux-lvm] vgscanfailed"novolumegroupsfound"



Hi!

I've a LVM one physical volume "vg0" that created on 9 RAID devices.
It worked still the day.
But one day, I have problem about vgscan reports that it can't find my VG. 
And recovery data /etc/lvmconf/vg0.conf was broken by other cause.
Please help me..... or give me hints to recover it.

My VG structure is following

/dev/md2,md3,md4,md5,md6,md7,md8,md9,md10 => vg0

Kernel Linux melody.angelic.jp 2.4.5 #10 SMP

The pvscan report is following
>pvscan
pvscan -- reading all physical volumes (this may take a while...)
pvscan -- inactive PV "/dev/md2"   is associated to an unknown VG (run vgscan)
pvscan -- inactive PV "/dev/md3"   is associated to an unknown VG (run vgscan)
pvscan -- inactive PV "/dev/md4"   is associated to an unknown VG (run vgscan)
pvscan -- inactive PV "/dev/md5"   is associated to an unknown VG (run vgscan)
pvscan -- inactive PV "/dev/md6"   is associated to an unknown VG (run vgscan)
pvscan -- inactive PV "/dev/md7"   is associated to an unknown VG (run vgscan)
pvscan -- inactive PV "/dev/md8"   is associated to an unknown VG (run vgscan)
pvscan -- inactive PV "/dev/md9"   is associated to an unknown VG (run vgscan)
pvscan -- inactive PV "/dev/md10" of VG "vg1" [4.48 GB / 4.48 GB free]
pvscan -- total: 9 [68.48 GB] / in use: 9 [68.48 GB] / in no VG: 0 [0]

The pvdata report is following
>pvdata -U /dev/md2
000: w1ozGmggQJ7LqDumRFhBWpxAcBuinvkV
001: gyivka8v8Rs8N6UHW1mXO2A7pe3V2UtL
002: N1rBqi3J4SXDpRwYCh65eXCtH98zrkYQ
003: vy3JnFfm4b4j5t1kcnnmPBVnqvKE1454
004: 3qwEJ6e08fnjyfEtYh2VUwNLSlAv7WHC
005: bCf2F3RgkdCqz0qs605zpQiMDF738U7Q
006: Ao8MnMZSLrDhk1pbTHatNA5KHiZXv5vG
007: 3ztQ2cfoGMc15y1TTXQzSpSkTIBzLcas
008: 9VW0My6FYEh4T1WnwBP3m0OSlMhdM7Gq
009: BIxTWheupMeCfEjU8UuyW0LX8gAq4aoD

>pvdata -PP pvdata -PP /dev/md2
--- Physical volume ---
PV Name               /dev/md2
VG Name               vg0
PV Size               8 GB / NOT usable 4 MB [LVM: 128 KB]
PV#                   2
PV Status             available
Allocatable           yes (but full)
Cur LV                1
PE Size (KByte)       4096
Total PE              2047
Free PE               0
Allocated PE          2047
PV UUID               gyivka-8v8R-s8N6-UHW1-mXO2-A7pe-3V2UtL
pv_dev                   0:9
system_id                melody.angelic.jp991380667
pv_on_disk.base          0
pv_on_disk.size          1024
vg_on_disk.base          1024
vg_on_disk.size          4608
pv_uuidlist_on_disk.base 6144
pv_uuidlist_on_disk.size 32896
lv_on_disk.base          39424
lv_on_disk.size          84296
pe_on_disk.base          123904
pe_on_disk.size          4070400




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