deus@deus:/$ sudo vgdisplay
/dev/evms/lvm2/vg/ROOT: read failed after 0 of 4096 at 0: Input/output error
/dev/evms/lvm2/vg/home: read failed after 0 of 4096 at 0: Input/output error
--- Volume group ---
VG Name vg
System ID
Format lvm2
Metadata Areas 4
Metadata Sequence No 8
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 1
Max PV 0
Cur PV 4
Act PV 4
VG Size 879,20 GB
PE Size 4,00 MB
Total PE 225074
Alloc PE / Size 164608 / 643,00 GB
Free PE / Size 60466 / 236,20 GB
VG UUID 4DctYW-ggi4-bv1T-X5SY-XrSB-tfUh-4zjgJu