vgchange -ay
3 logical volume(s) in volume group "vg_12" now active
lvscan
inactive '/dev/vg_12/lv_root' [144.04 GB] inherit
inactive '/dev/vg_12/lv_home' [1.00 GB] inherit
inactive '/dev/vg_12/lv_swap' [7.85 GB] inherit
pvscan
PV /dev/sdc2 VG vg_12 lvm2 [152.89 GB / 0 free]
Total: 1 [152.89 GB] / in use: 1 [152.89 GB] / in no VG: 0 [0 ]
mount /dev/mapper/vg_12-lv_root /mnt/12/
lvm, activate, volumes, datavgchange, ay, volume, quot, vg_, active, lvscan, inactive, dev, lv_root, gb, inherit, lv_home, lv_swap, pvscan, pv, sdc, vg, mount, mapper, mnt,