[linux-lvm] recovery of a VG - how?

[lejeczek]

hi guys

I have a VG which I try to restore:

$ vgcfgrestore --file /etc/lvm/archive/chenbro0.0_00308-2121179640.vg
chenbro0.0
  /dev/mapper/chenbro_a: Checksum error at offset 428544
  Couldn't read volume group metadata from /dev/mapper/chenbro_a.
  Metadata location on /dev/mapper/chenbro_a at 428544 has invalid
summary for VG.
  Failed to read metadata summary from /dev/mapper/chenbro_a
  Failed to scan VG from /dev/mapper/chenbro_a
  /dev/mapper/chenbro_e: Checksum error at offset 422912
  Couldn't read volume group metadata from /dev/mapper/chenbro_e.
  Metadata location on /dev/mapper/chenbro_e at 422912 has invalid
summary for VG.
  Failed to read metadata summary from /dev/mapper/chenbro_e
  Failed to scan VG from /dev/mapper/chenbro_e
  /dev/mapper/chenbro_m: Checksum error at offset 422912
  Couldn't read volume group metadata from /dev/mapper/chenbro_m.
  Metadata location on /dev/mapper/chenbro_m at 422912 has invalid
summary for VG.
  Failed to read metadata summary from /dev/mapper/chenbro_m
  Failed to scan VG from /dev/mapper/chenbro_m
  Scan of VG chenbro0.0 from /dev/mapper/chenbro_p found mda_checksum
a6dbb1e8 mda_size 5723 vs previous c6a5d174 5727
  /dev/mapper/chenbro_s: Checksum error at offset 422912
  Couldn't read volume group metadata from /dev/mapper/chenbro_s.
  Metadata location on /dev/mapper/chenbro_s at 422912 has invalid
summary for VG.
  Failed to read metadata summary from /dev/mapper/chenbro_s
  Failed to scan VG from /dev/mapper/chenbro_s
  /dev/mapper/chenbro_v: Checksum error at offset 422912
  Couldn't read volume group metadata from /dev/mapper/chenbro_v.
  Metadata location on /dev/mapper/chenbro_v at 422912 has invalid
summary for VG.
  Failed to read metadata summary from /dev/mapper/chenbro_v
  Failed to scan VG from /dev/mapper/chenbro_v
  Scan of VG chenbro0.0 from /dev/mapper/chenbro_w found mda_checksum
a6dbb1e8 mda_size 5723 vs previous c6a5d174 5727
  /dev/mapper/chenbro_y: Checksum error at offset 422912
  Couldn't read volume group metadata from /dev/mapper/chenbro_y.
  Metadata location on /dev/mapper/chenbro_y at 422912 has invalid
summary for VG.
  Failed to read metadata summary from /dev/mapper/chenbro_y
  Failed to scan VG from /dev/mapper/chenbro_y
  Scan of VG chenbro0.0 from /dev/mapper/chenbro_z found mda_checksum
a6dbb1e8 mda_size 5723 vs previous c6a5d174 5727
  Scan of VG chenbro0.0 from /dev/mapper/chenbro_aa found mda_checksum
a6dbb1e8 mda_size 5723 vs previous c6a5d174 5727
  /dev/mapper/chenbro_ab: Checksum error at offset 422912
  Couldn't read volume group metadata from /dev/mapper/chenbro_ab.
  Metadata location on /dev/mapper/chenbro_ab at 422912 has invalid
summary for VG.
  Failed to read metadata summary from /dev/mapper/chenbro_ab
  Failed to scan VG from /dev/mapper/chenbro_ab
  Couldn't find device with uuid 3UQeFN-hOMe-nwi9-Ld1D-0bNH-JSvO-EaPclH.
  Couldn't find device with uuid qcmpwi-AAbV-lpl3-3B0U-2aeS-VzJ6-ZEMNYo.
  Couldn't find device with uuid DpJTbc-t0Oe-BImz-pdlo-TkQz-G0Hu-ojSekc.
  Couldn't find device with uuid ylGuQS-L7Xi-7nu7-ZHfA-ECba-8t4n-qIsvqc.
  Couldn't find device with uuid XOop3m-0Mw7-4Ysx-vjxD-xjbd-RKi2-XqL3ba.
  Couldn't find device with uuid GQDoib-Uus6-N1B9-Rk0B-tULK-XKc0-856QO9.
  Couldn't find device with uuid UW3TaW-tkKd-N5sy-Z8dD-S8wl-362C-ssTZ7j.
  Cannot restore Volume Group chenbro0.0 with 7 PVs marked as missing.
  Restore failed.

Would you know if possible and if so then how to recover from such a
failure?

many thanks, L

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