[gull] Récupération des données d'un disk raid par un port USB - problème avec LVM

[Pierre Maitre]

Le 21 mai 2014 22:08, felix <felix at f-hauri.ch> a écrit :
> Il te faut probablement *activer* les partitions LVM:
>
> Que donne:
>
>  lvs
>
> puis
>
>  vgchange -a y
>
> et a nouveau
>
>  lvs

violettaz-nas>  lvs
  LV                    VG     Attr   LSize   Origin Snap%  Move Log
Copy%  Convert
  syno_vg_reserved_area vg1    -wi---  12.00M
  volume_1              vg1    -wi--- 927.00G
  lv                    vg1000 -wi-ao 927.00G
violettaz-nas>  vgchange -a y
  2 logical volume(s) in volume group "vg1" now active
  1 logical volume(s) in volume group "vg1000" now active
violettaz-nas>  lvs
  LV                    VG     Attr   LSize   Origin Snap%  Move Log
Copy%  Convert
  syno_vg_reserved_area vg1    -wi-a-  12.00M
  volume_1              vg1    -wi-a- 927.00G
  lv                    vg1000 -wi-ao 927.00G
violettaz-nas> mount  --read-only   /dev/vg1/volume_1  /mnt/usb
mount: mounting /dev/vg1/volume_1 on /mnt/usb failed: No such device

Pourtant maintenant     /dev/vg1/volume_1   existe:

violettaz-nas> ls -l  /dev/vg1
lrwxrwxrwx    1 root     root            37 May 21 22:13
syno_vg_reserved_area -> /dev/mapper/vg1-syno_vg_reserved_area
lrwxrwxrwx    1 root     root            24 May 21 22:13 volume_1 ->
/dev/mapper/vg1-volume_1
violettaz-nas> mount  --read-only  /dev/mapper/vg1-volume_1  /mnt/usb
mount: mounting /dev/mapper/vg1-volume_1 on /mnt/usb failed: No such device
violettaz-nas> ls -l  /dev/mapper/vg1-volume_1
brw-------    1 root     root      253,   2 May 21 22:13
/dev/mapper/vg1-volume_1

???