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déplanter LVM

Envoyé par: ankou29666

bonsoir et bonne année tout le monde ...

J'ai 3 disques durs montés en raid 5 logiciel (/dev/sd[abc]1 => /dev/md0, avec /dev/sd[bc]2 => /dev/md1 en raid 1 pour le /boot) ...

sur /dev/md0 j'ai créé un volume physique ... Or depuis quelques jours il m'est impossible de booter sur ma bécane, il semblerait que la machine n'arrive pas à relancer le volume physique ... quand je boote sur cd en mode rescue, j'accède à la ligne de commande, je tappe ceci et j'obtiens celà :

# mdadm --detail /dev/md0
/dev/md0:
        Version : 00.90.03
  Creation Time : Sun May 27 14:50:26 2007
     Raid Level : raid5
     Array Size : 586099200 (558.95 GiB 600.17 G
    Device Size : 293049600 (279.47 GiB 300.08 G
   Raid Devices : 3
  Total Devices : 3
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Sun Dec 30 20:05:36 2007
          State : clean
 Active Devices : 3
Working Devices : 3
 Failed Devices : 0
  Spare Devices : 0

         Layout : left-symmetric
     Chunk Size : 4K

           UUID : 135a9d8e:190d8ddd:ebd887a2:ad3a7d71
         Events : 0.3314466

    Number   Major   Minor   RaidDevice State
       0       8        1        0      active sync   /dev/sda1
       1       8       17        1      active sync   /dev/sdb1
       2       8       33        2      active sync   /dev/sdc1


# mdadm --detail /dev/md1
/dev/md1:
        Version : 00.90.03
  Creation Time : Sun Mar 25 15:14:57 2007
     Raid Level : raid1
     Array Size : 120384 (117.58 MiB 123.27 M
    Device Size : 120384 (117.58 MiB 123.27 M
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 1
    Persistence : Superblock is persistent

    Update Time : Wed Nov 21 06:40:58 2007
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           UUID : 2dab7201:3022300c:3ce51b51:b4f7f9a1
         Events : 0.52

    Number   Major   Minor   RaidDevice State
       0       8       18        0      active sync   /dev/sdb2
       1       8       34        1      active sync   /dev/sdc2

donc rien d'anormal dans le raid ...

par contre avec le volume physique c'est autre chose ...

# pvdisplay -vv (mode super verbeux)
File descriptor 3 left open
File descriptor 4 left open
File descriptor 5 left open
File descriptor 6 left open
      Setting global/locking_type to 1
      Setting global/locking_dir to /var/lock/lvm
      File-based locking enabled.
    Scanning for physical volume names
      /dev/ram0: No label detected
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
      /dev/ram1: No label detected
      /dev/md1: No label detected
      /dev/ram2: No label detected
      /dev/ram3: No label detected
      /dev/ram4: No label detected
      /dev/ram5: No label detected
      /dev/ram6: No label detected
      /dev/ram7: No label detected
      /dev/ram8: No label detected
      /dev/ram9: No label detected
      /dev/ram10: No label detected
      /dev/ram11: No label detected
      /dev/ram12: No label detected
      /dev/ram13: No label detected
      /dev/ram14: No label detected
      /dev/ram15: No label detected
      /dev/sdh1: No label detected
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
    Wiping cache of LVM-capable devices
      /dev/sndstat: stat failed: No such file or directory
      /dev/ram0: size is 131072 sectors
      /dev/ram0: size is 131072 sectors
      /dev/ram0: No label detected
      /dev/sda: size is 586114704 sectors
      /dev/md0: size is 1172198400 sectors
      /dev/md0: size is 1172198400 sectors
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
      /dev/ram1: size is 131072 sectors
      /dev/ram1: size is 131072 sectors
      /dev/ram1: No label detected
      /dev/sda1: size is 586099332 sectors
      /dev/sda1: size is 586099332 sectors
      /dev/md1: size is 240768 sectors
      /dev/md1: size is 240768 sectors
      /dev/md1: No label detected
      /dev/ram2: size is 131072 sectors
      /dev/ram2: size is 131072 sectors
      /dev/ram2: No label detected
      /dev/ram3: size is 131072 sectors
      /dev/ram3: size is 131072 sectors
      /dev/ram3: No label detected
      /dev/ram4: size is 131072 sectors
      /dev/ram4: size is 131072 sectors
      /dev/ram4: No label detected
      /dev/ram5: size is 131072 sectors
      /dev/ram5: size is 131072 sectors
      /dev/ram5: No label detected
      /dev/ram6: size is 131072 sectors
      /dev/ram6: size is 131072 sectors
      /dev/ram6: No label detected
      /dev/ram7: size is 131072 sectors
      /dev/ram7: size is 131072 sectors
      /dev/ram7: No label detected
      /dev/ram8: size is 131072 sectors
      /dev/ram8: size is 131072 sectors
      /dev/ram8: No label detected
      /dev/ram9: size is 131072 sectors
      /dev/ram9: size is 131072 sectors
      /dev/ram9: No label detected
      /dev/ram10: size is 131072 sectors
      /dev/ram10: size is 131072 sectors
      /dev/ram10: No label detected
      /dev/ram11: size is 131072 sectors
      /dev/ram11: size is 131072 sectors
      /dev/ram11: No label detected
      /dev/ram12: size is 131072 sectors
      /dev/ram12: size is 131072 sectors
      /dev/ram12: No label detected
      /dev/ram13: size is 131072 sectors
      /dev/ram13: size is 131072 sectors
      /dev/ram13: No label detected
      /dev/ram14: size is 131072 sectors
      /dev/ram14: size is 131072 sectors
      /dev/ram14: No label detected
      /dev/ram15: size is 131072 sectors
      /dev/ram15: size is 131072 sectors
      /dev/ram15: No label detected
      /dev/sdb: size is 625142448 sectors
      /dev/sdb1: size is 624896307 sectors
      /dev/sdb1: size is 624896307 sectors
      /dev/sdb2: size is 240975 sectors
      /dev/sdb2: size is 240975 sectors
      /dev/sdc: size is 625142448 sectors
      /dev/sdc1: size is 624896307 sectors
      /dev/sdc1: size is 624896307 sectors
      /dev/sdc2: size is 240975 sectors
      /dev/sdc2: size is 240975 sectors
      /dev/sdh: size is 9767520 sectors
      /dev/sdh1: size is 9751392 sectors
      /dev/sdh1: size is 9751392 sectors
      /dev/sdh1: No label detected
  --- NEW Physical volume ---
  PV Name               /dev/md0
  VG Name               
  PV Size               558.69 GB
  Allocatable           NO
  PE Size (KByte)       0
  Total PE              0
  Free PE               0
  Allocated PE          0
  PV UUID               I35DqQ-bVky-wAWj-u7yg-TZWK-WhL3-AxdSzm
   
# pvscan -vv (idem en super verbeux)
File descriptor 3 left open
File descriptor 4 left open
File descriptor 5 left open
File descriptor 6 left open
      Setting global/locking_type to 1
      Setting global/locking_dir to /var/lock/lvm
      File-based locking enabled.
    Wiping cache of LVM-capable devices
      /dev/sndstat: stat failed: No such file or directory
    Wiping internal VG cache
    Walking through all physical volumes
      /dev/ram0: size is 131072 sectors
      /dev/ram0: size is 131072 sectors
      /dev/ram0: No label detected
      /dev/sda: size is 586114704 sectors
      /dev/md0: size is 1172198400 sectors
      /dev/md0: size is 1172198400 sectors
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
      /dev/ram1: size is 131072 sectors
      /dev/ram1: size is 131072 sectors
      /dev/ram1: No label detected
      /dev/sda1: size is 586099332 sectors
      /dev/sda1: size is 586099332 sectors
      /dev/md1: size is 240768 sectors
      /dev/md1: size is 240768 sectors
      /dev/md1: No label detected
      /dev/ram2: size is 131072 sectors
      /dev/ram2: size is 131072 sectors
      /dev/ram2: No label detected
      /dev/ram3: size is 131072 sectors
      /dev/ram3: size is 131072 sectors
      /dev/ram3: No label detected
      /dev/ram4: size is 131072 sectors
      /dev/ram4: size is 131072 sectors
      /dev/ram4: No label detected
      /dev/ram5: size is 131072 sectors
      /dev/ram5: size is 131072 sectors
      /dev/ram5: No label detected
      /dev/ram6: size is 131072 sectors
      /dev/ram6: size is 131072 sectors
      /dev/ram6: No label detected
      /dev/ram7: size is 131072 sectors
      /dev/ram7: size is 131072 sectors
      /dev/ram7: No label detected
      /dev/ram8: size is 131072 sectors
      /dev/ram8: size is 131072 sectors
      /dev/ram8: No label detected
      /dev/ram9: size is 131072 sectors
      /dev/ram9: size is 131072 sectors
      /dev/ram9: No label detected
      /dev/ram10: size is 131072 sectors
      /dev/ram10: size is 131072 sectors
      /dev/ram10: No label detected
      /dev/ram11: size is 131072 sectors
      /dev/ram11: size is 131072 sectors
      /dev/ram11: No label detected
      /dev/ram12: size is 131072 sectors
      /dev/ram12: size is 131072 sectors
      /dev/ram12: No label detected
      /dev/ram13: size is 131072 sectors
      /dev/ram13: size is 131072 sectors
      /dev/ram13: No label detected
      /dev/ram14: size is 131072 sectors
      /dev/ram14: size is 131072 sectors
      /dev/ram14: No label detected
      /dev/ram15: size is 131072 sectors
      /dev/ram15: size is 131072 sectors
      /dev/ram15: No label detected
      /dev/sdb: size is 625142448 sectors
      /dev/sdb1: size is 624896307 sectors
      /dev/sdb1: size is 624896307 sectors
      /dev/sdb2: size is 240975 sectors
      /dev/sdb2: size is 240975 sectors
      /dev/sdc: size is 625142448 sectors
      /dev/sdc1: size is 624896307 sectors
      /dev/sdc1: size is 624896307 sectors
      /dev/sdc2: size is 240975 sectors
      /dev/sdc2: size is 240975 sectors
      /dev/sdh: size is 9767520 sectors
      /dev/sdh1: size is 9751392 sectors
      /dev/sdh1: size is 9751392 sectors
      /dev/sdh1: No label detected
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
  PV /dev/md0         lvm2 [558.69 GB]
  Total: 1 [558.69 GB] / in use: 0 [0   ] / in no VG: 1 [558.69 GB]

# pvs -vv
File descriptor 3 left open
File descriptor 4 left open
File descriptor 5 left open
File descriptor 6 left open
      Setting global/locking_type to 1
      Setting global/locking_dir to /var/lock/lvm
      File-based locking enabled.
      report/aligned not found in config: defaulting to 1
      report/buffered not found in config: defaulting to 1
      report/headings not found in config: defaulting to 1
      report/separator not found in config: defaulting to  
      report/pvs_sort not found in config: defaulting to pv_name
      report/pvs_cols_verbose not found in config: defaulting to pv_name,vg_name,pv_fmt,pv_attr,pv_size,pv_free,dev_size,pv_uuid
    Scanning for physical volume names
      /dev/ram0: No label detected
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
      /dev/ram1: No label detected
      /dev/md1: No label detected
      /dev/ram2: No label detected
      /dev/ram3: No label detected
      /dev/ram4: No label detected
      /dev/ram5: No label detected
      /dev/ram6: No label detected
      /dev/ram7: No label detected
      /dev/ram8: No label detected
      /dev/ram9: No label detected
      /dev/ram10: No label detected
      /dev/ram11: No label detected
      /dev/ram12: No label detected
      /dev/ram13: No label detected
      /dev/ram14: No label detected
      /dev/ram15: No label detected
      /dev/sdh1: No label detected
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
    Wiping cache of LVM-capable devices
      /dev/sndstat: stat failed: No such file or directory
      /dev/ram0: size is 131072 sectors
      /dev/ram0: size is 131072 sectors
      /dev/ram0: No label detected
      /dev/sda: size is 586114704 sectors
      /dev/md0: size is 1172198400 sectors
      /dev/md0: size is 1172198400 sectors
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
      /dev/ram1: size is 131072 sectors
      /dev/ram1: size is 131072 sectors
      /dev/ram1: No label detected
      /dev/sda1: size is 586099332 sectors
      /dev/sda1: size is 586099332 sectors
      /dev/md1: size is 240768 sectors
      /dev/md1: size is 240768 sectors
      /dev/md1: No label detected
      /dev/ram2: size is 131072 sectors
      /dev/ram2: size is 131072 sectors
      /dev/ram2: No label detected
      /dev/ram3: size is 131072 sectors
      /dev/ram3: size is 131072 sectors
      /dev/ram3: No label detected
      /dev/ram4: size is 131072 sectors
      /dev/ram4: size is 131072 sectors
      /dev/ram4: No label detected
      /dev/ram5: size is 131072 sectors
      /dev/ram5: size is 131072 sectors
      /dev/ram5: No label detected
      /dev/ram6: size is 131072 sectors
      /dev/ram6: size is 131072 sectors
      /dev/ram6: No label detected
      /dev/ram7: size is 131072 sectors
      /dev/ram7: size is 131072 sectors
      /dev/ram7: No label detected
      /dev/ram8: size is 131072 sectors
      /dev/ram8: size is 131072 sectors
      /dev/ram8: No label detected
      /dev/ram9: size is 131072 sectors
      /dev/ram9: size is 131072 sectors
      /dev/ram9: No label detected
      /dev/ram10: size is 131072 sectors
      /dev/ram10: size is 131072 sectors
      /dev/ram10: No label detected
      /dev/ram11: size is 131072 sectors
      /dev/ram11: size is 131072 sectors
      /dev/ram11: No label detected
      /dev/ram12: size is 131072 sectors
      /dev/ram12: size is 131072 sectors
      /dev/ram12: No label detected
      /dev/ram13: size is 131072 sectors
      /dev/ram13: size is 131072 sectors
      /dev/ram13: No label detected
      /dev/ram14: size is 131072 sectors
      /dev/ram14: size is 131072 sectors
      /dev/ram14: No label detected
      /dev/ram15: size is 131072 sectors
      /dev/ram15: size is 131072 sectors
      /dev/ram15: No label detected
      /dev/sdb: size is 625142448 sectors
      /dev/sdb1: size is 624896307 sectors
      /dev/sdb1: size is 624896307 sectors
      /dev/sdb2: size is 240975 sectors
      /dev/sdb2: size is 240975 sectors
      /dev/sdc: size is 625142448 sectors
      /dev/sdc1: size is 624896307 sectors
      /dev/sdc1: size is 624896307 sectors
      /dev/sdc2: size is 240975 sectors
      /dev/sdc2: size is 240975 sectors
      /dev/sdh: size is 9767520 sectors
      /dev/sdh1: size is 9751392 sectors
      /dev/sdh1: size is 9751392 sectors
      /dev/sdh1: No label detected
      Locking /var/lock/lvm/P_orphans RB
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
      /dev/md0: lvm2 label detected
  /dev/md0: Checksum error
      /dev/md0: size is 1172198400 sectors
      Unlocking /var/lock/lvm/P_orphans
  PV         VG   Fmt  Attr PSize   PFree   DevSize PV UUID                               
  /dev/md0        lvm2 --   558.69G 558.69G 558.95G I35DqQ-bVky-wAWj-u7yg-TZWK-WhL3-AxdSzm

lvmdiskscan -v
File descriptor 3 left open
File descriptor 4 left open
File descriptor 5 left open
File descriptor 6 left open
  /dev/md0: Checksum error
  /dev/ram0  [       64.00 MB] 
  /dev/md0   [      558.95 GB] LVM physical volume
  /dev/ram1  [       64.00 MB] 
  /dev/md1   [      117.56 MB] 
  /dev/ram2  [       64.00 MB] 
  /dev/ram3  [       64.00 MB] 
  /dev/ram4  [       64.00 MB] 
  /dev/ram5  [       64.00 MB] 
  /dev/ram6  [       64.00 MB] 
  /dev/ram7  [       64.00 MB] 
  /dev/ram8  [       64.00 MB] 
  /dev/ram9  [       64.00 MB] 
  /dev/ram10 [       64.00 MB] 
  /dev/ram11 [       64.00 MB] 
  /dev/ram12 [       64.00 MB] 
  /dev/ram13 [       64.00 MB] 
  /dev/ram14 [       64.00 MB] 
  /dev/ram15 [       64.00 MB] 
  /dev/sdh1  [        4.65 GB] 
  0 disks
  18 partitions
  0 LVM physical volume whole disks
  1 LVM physical volume

la dernière ligne "In no VG" de lvscan laisse suggérer que quelque chose à survécu du groupe de volume ... J'ai juste une checksum error à chaque accès à /dev/md0 que je n'ai pas avec mdadm ...

vgdisplay -vv
File descriptor 3 left open
File descriptor 4 left open
File descriptor 5 left open
File descriptor 6 left open
  /dev/md0: Checksum error

vgscan -vv
File descriptor 3 left open
File descriptor 4 left open
File descriptor 5 left open
File descriptor 6 left open
  /dev/md0: Checksum error
  Reading all physical volumes.  This may take a while...

Quelqu'un saurait-il me dire comment résoudre tout ça ???

Poste le Sunday 6 January 2008 23:27:02

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