[root@rescue archive]# vgscan
Reading all physical volumes. This may take a while...
/dev/sdc: read failed after 0 of 4096 at 0: Input/output error
/dev/sdc: read failed after 0 of 4096 at 2147418112: Input/output error
/dev/sdc: read failed after 0 of 4096 at 0: Input/output error
/dev/sdd: read failed after 0 of 4096 at 0: Input/output error
/dev/sdd: read failed after 0 of 4096 at 2147418112: Input/output error
/dev/sdd: read failed after 0 of 4096 at 0: Input/output error
Found volume group "sys" using metadata type lvm2
Found volume group "sys" using metadata type lvm2
[root@rescue archive]# vgdisplay
/dev/sdc: read failed after 0 of 4096 at 0: Input/output error
/dev/sdd: read failed after 0 of 4096 at 0: Input/output error
--- Volume group ---
VG Name sys
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 4
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 3
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 1.93 GB
PE Size 4.00 MB
Total PE 495
Alloc PE / Size 125 / 500.00 MB
Free PE / Size 370 / 1.45 GB
VG UUID SM77DT-vxpu-U24w-ltCF-uWjp-xVjY-ebsvYT
--- Volume group ---
VG Name sys
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 22
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 3
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 1.93 GB
PE Size 4.00 MB
Total PE 495
Alloc PE / Size 356 / 1.39 GB
Free PE / Size 139 / 556.00 MB
VG UUID o6esqK-hF8S-WeMp-DQek-FMUt-runL-dN8h2p