Pvdisplay

pvdisplay is the command to display information about physical volumes as used in LVM. The command is located in /sbin

# pvdisplay --- Physical volume --- PV Name              /dev/sdb4 VG Name              bulk PV Size              335.75 GB / not usable 4.96 MB  Allocatable           yes PE Size (KByte)      32768 Total PE             10744 Free PE              944 Allocated PE         9800 PV UUID              qkTD8M-4TBI-BujC-aVCn-GuwF-EBov-JV4rF0 --- Physical volume --- PV Name              /dev/sdc4 VG Name              bulk PV Size              335.75 GB / not usable 4.96 MB  Allocatable           yes (but full) PE Size (KByte)      32768 Total PE             10744 Free PE              0 Allocated PE         10744 PV UUID              12k5Je-4jmi-4zXJ-uFCC-JMsl-rd61-B8P7F2 --- Physical volume --- PV Name              /dev/md1 VG Name              raid PV Size              125.00 GB / not usable 2.19 MB  Allocatable           yes PE Size (KByte)      32768 Total PE             4000 Free PE              240 Allocated PE         3760 PV UUID              23fBUN-N4sB-WukX-0F2r-utSr-A3Pp-LMFAHs --- Physical volume --- PV Name              /dev/sda1 VG Name              bck PV Size              931.51 GB / not usable 3.19 MB  Allocatable           yes PE Size (KByte)      4096 Total PE             238466 Free PE              130 Allocated PE         238336 PV UUID              JWwDQV-9jWN-gj9R-UBJX-Wfmr-dx5k-doJF83