Pvs

pvs Display information about physical volumes

pvs can hang if some device has been removed under some circumstances.

Examples

pvs
(No output if not devices, see pvcreate)

pvs
PV         VG Fmt  Attr PSize  PFree
/dev/sdb      lvm2 ---  50.00g 50.00g

Example output, with one PV create but not assigned to any VG:

pvs
  PV                                              VG       Fmt  Attr PSize    PFree
  /dev/mapper/3600508b1001c553702fe495119c850f1p1 VG1 lvm2 a--  <446.60g  32.00m
  /dev/mapper/3600a09803831416c592b4f566453764t            lvm2 ---   250.00g 250.00g
  /dev/sdc4                                       VG2     lvm2 a--    <8.28t 100.00g

Output with missing device:

pvs
  WARNING: Device for PV R3Hfm8-5J2Z-Tl59-5Q5O-ZpDq-foNa-SGpQst not found or rejected by a filter.
  PV                                              VG       Fmt  Attr PSize    PFree
  /dev/mapper/3600508b1001c553702fe495119c850f1p1 VG1 lvm2 a--  <446.60g  32.00m
  /dev/mapper/3600a09803831416c592b4f566453764t            lvm2 ---   250.00g 250.00g
  /dev/sdc4                                       VG2     lvm2 a--    <8.28t 100.00g

pvs --segments
         PV         VG Fmt  Attr PSize   PFree  Start SSize
         /dev/sda   vg lvm2 a--  100.00m 88.00m     0     1
         /dev/sda   vg lvm2 a--  100.00m 88.00m     1     1
         /dev/sda   vg lvm2 a--  100.00m 88.00m     2     1
         /dev/sda   vg lvm2 a--  100.00m 88.00m     3    22
         /dev/sdb   vg lvm2 a--  100.00m 92.00m     0     1
         /dev/sdb   vg lvm2 a--  100.00m 92.00m     1     1
         /dev/sdb   vg lvm2 a--  100.00m 92.00m     2    23

pvs -o pv_free

Activities

• Change no_path_retry to no_path_retry queue in multipath.conf configuration options to avoid pvs to hang : https://www.suse.com/support/kb/doc/?id=7022310

See also

• dmsetup ls and multipath -ll
• LVM: LVM errors LVM scan commands lkvmetad, Add a new disk

scan: pvscan vgscan

LVM: lvs lvmscan lvm fullreport lvmreport lvmconfig lvmdump lvmcheck lvm dumpconfig

Scan: pvs vgs lvs pvscan vgscan

PV: pvcreate pvremove pvscan pvremove pvscan pvs pvchange pvck pvdisplay pvresize

LV: lvdisplay lvcreate lvremove, lvresize, lvextend, lvreduce, lvrename

VG: vgdisplay,vgcreate,vgremove, vgextend, vgreduce, vgscan, vgchange, vgrename, vgcfgbackup, vgcfgrestore, vgimportclone, vgck

Check commands: pvck vgck

• Block devices: blkid (UUID), lshw -class disk, hwinfo --disk, udevadm, rescan-scsi-bus.sh, LUN, hdparm, findfs, Add a new disk
• lsblk, pvscan lspci, lsscsi, smartctl, fdisk, parted, Kpartx, pvdiplay, pvs, udisksctl, /dev/sd, nvme list

http://man7.org/linux/man-pages/man8/pvs.8.html

http://manpages.org/multipathconf/5