Re: monter un disque raid et lvm

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Author: anne-guilde-free
Date:  
To: ML Guilde
Subject: Re: monter un disque raid et lvm
Le 21/01/2014 23:37, anne.guilde@??? a écrit :
> Le 21/01/2014 22:41, anne.guilde@??? a écrit :
>> bonjour
>>
>> J'ai mis un disque dur dans un boîtier externe en usb.
>> Le disque est en raid + lvm
>>
>> # sfdisk -l
>> ...
>> Disk /dev/sdc: 30401 cylinders, 255 heads, 63 sectors/track
>> Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0
>>
>>     Device Boot Start     End   #cyls    #blocks   Id  System
>> /dev/sdc1   *      0+     12      13-    104391   fd  Linux raid
>> autodetect
>> /dev/sdc2         13   30400   30388  244091610   fd  Linux raid
>> autodetect
>> /dev/sdc3          0       -       0          0    0  Empty
>> /dev/sdc4          0       -       0          0    0  Empty

>>
>> ----------------
>>
>> # mdadm --assemble --scan
>> mdadm: /dev/md1 has been started with 1 drive (out of 2).
>> mdadm: /dev/md2 has been started with 1 drive (out of 2).
>>
>> # pvscan
>>    PV /dev/md2   VG main   lvm2 [232,78 GiB / 0    free]
>>    Total: 1 [232,78 GiB] / in use: 1 [232,78 GiB] / in no VG: 0 [0   ]

>>
>> # vgscan
>>    Reading all physical volumes.  This may take a while...
>>    Found volume group "main" using metadata type lvm2

>>
>> # vgs
>>    VG   #PV #LV #SN Attr   VSize   VFree
>>    main   1   2   0 wz--n- 232,78g    0

>>
>> # vgchange -ay /dev/main
>>    2 logical volume(s) in volume group "main" now active

>>
>> # lvs
>>    LV   VG   Attr     LSize   Pool Origin Data%  Move Log Copy%  Convert
>>    root main -wi-a--- 228,84g
>>    swap main -wi-a---   3,94g

>>
>> # mount /dev/mi /media/dd-sylvain1
>> mount: special device /dev/mi does not exist
>> root@anne:/home/anne# mount /dev/main/root /media/dd-sylvain1
>> mount: wrong fs type, bad option, bad superblock on
>> /dev/mapper/main-root,
>>         missing codepage or helper program, or other error
>>         In some cases useful info is found in syslog - try
>>         dmesg | tail  or so

>>
>> # dmesg | tail
>> [377668.074598] sd 13:0:0:0: [sdc] Sense Key : Medium Error [current]
>> [377668.074606] sd 13:0:0:0: [sdc] Add. Sense: Unrecovered read error
>> [377668.074615] sd 13:0:0:0: [sdc] CDB: Read(10): 28 00 00 06 37 f5 00
>> 00 f0 00
>> [377668.074629] end_request: critical target error, dev sdc, sector
>> 407541
>> [377668.074764] JBD: Failed to read block at offset 22720
>> [377668.082268] JBD: recovery failed
>> [377668.082281] EXT3-fs (dm-0): error loading journal
>> [377671.070081] sd 4:0:0:0: [sdb] Test WP failed, assume Write Enabled
>> [377671.073428] sd 4:0:0:0: [sdb] Asking for cache data failed
>> [377671.073441] sd 4:0:0:0: [sdb] Assuming drive cache: write through
>>
>> ----------------
>>
>> Quelle commande faire?
>>
>
> Marche pas le mount...
> Comment solutionner?
>
>
>

# sfdisk -l

Disk /dev/sda: 60801 cylinders, 255 heads, 63 sectors/track
Warning: extended partition does not start at a cylinder boundary.
DOS and Linux will interpret the contents differently.
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

    Device Boot Start     End   #cyls    #blocks   Id  System
/dev/sda1          0+     25-     26-    204800   83  Linux
/dev/sda2         25+  58358-  58334- 468560897    5  Extended
/dev/sda3   *  58358+  60788-   2430-  19512320    7  HPFS/NTFS/exFAT
/dev/sda4      60788+  60801-     14-    105496    c  W95 FAT32 (LBA)
/dev/sda5         25+  12773-  12749- 102400000    7  HPFS/NTFS/exFAT
/dev/sda6      12774+  25418-  12644- 101562500    7  HPFS/NTFS/exFAT
/dev/sda7      25418+  27363-   1946-  15624192   82  Linux swap / Solaris
/dev/sda8      27363+  27411-     49-    389120   83  Linux
/dev/sda9      27411+  40055-  12644- 101561344   83  Linux
/dev/sda10     40055+  58358-  18303- 147018752   83  Linux


Disk /dev/sdc: 30401 cylinders, 255 heads, 63 sectors/track
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

    Device Boot Start     End   #cyls    #blocks   Id  System
/dev/sdc1   *      0+     12      13-    104391   fd  Linux raid autodetect
/dev/sdc2         13   30400   30388  244091610   fd  Linux raid autodetect
/dev/sdc3          0       -       0          0    0  Empty
/dev/sdc4          0       -       0          0    0  Empty


Disk /dev/md1: 26080 cylinders, 2 heads, 4 sectors/track
Units = cylinders of 4096 bytes, blocks of 1024 bytes, counting from 0

    Device Boot Start     End   #cyls    #blocks   Id  System
/dev/md1p1          0       -       0          0    0  Empty
/dev/md1p2          0       -       0          0    0  Empty
/dev/md1p3          0       -       0          0    0  Empty
/dev/md1p4          0       -       0          0    0  Empty


Disk /dev/md2: 61022880 cylinders, 2 heads, 4 sectors/track

sfdisk: ERROR: sector 0 does not have an msdos signature
/dev/md2: unrecognized partition table type
No partitions found

Disk /dev/mapper/main-root: 29873 cylinders, 255 heads, 63 sectors/track

sfdisk: ERROR: sector 0 does not have an msdos signature
/dev/mapper/main-root: unrecognized partition table type
No partitions found

Disk /dev/mapper/main-swap: 514 cylinders, 255 heads, 63 sectors/track

sfdisk: ERROR: sector 0 does not have an msdos signature
/dev/mapper/main-swap: unrecognized partition table type
No partitions found


Je ne comprends pas tout :(