Pvcreate

pvcreate initialize a disk for use by LVM. Also partition, meta device, or loopback file are supported.

pvcreate

pvcreate /dev/sdb
WARNING: ext4 signature detected on /dev/sdb at offset 1080. Wipe it? [y/n]:

pvcreate /dev/mapper/3600a09803831417a5a244f5665797a47
  Can't open /dev/mapper/3600a09803831417a5a244f5665797a47 exclusively.  Mounted filesystem?

pvcreate /dev/mapper/3600a09803831417a5a244f5665797a47
  Physical volume "/dev/mapper/3600a09803831417a5a244f5665797a47" successfully created.

pvcreate /dev/dm-24
  Physical volume "/dev/dm-24" successfully created.

Activities

Basic:

1. Initialize a new disk to be used by Linux LVM with pvcreate command.
2. Initialize a new multipath disk and make user lvm.conf if properly configured.

Related:

1. Multipath: remove multipath device unpresented to host

See also

• 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
• Fibre Channel: SAN, HBA, LUN, WWN, WWPN, LIF, rescan-scsi-bus.sh

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

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/4/html/DM_Multipath/multipath_logical_volumes.html