GNU+Linux command memo

Mount LVM2_member (NOT available) partitions

Monter une partition de type LVM2_member signalée comme indisponible par LVM.

# mount /dev/sdb2 /mnt/cle
mount: /mnt/cle: mount: unknown filesystem type LVM2_member (1)
1 In french: type de système de fichiers « LVM2_member » inconnu.
# lvdisplay (1)
 … NOT available … (2)
# lvchange -ay /dev/mapper/vg-root (3)
# mount /dev/mapper/vg-root /mnt/cle (4)
1 List LVM logical volumes
2 Your volume may be NOT available
3 Turn it available
4 Finally mount your volume

As always, I stumbled upon this myself and record here the success path, but I’ve been greatly helped by the following sources :