pvresize man page on CentOS

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PVRESIZE(8)							   PVRESIZE(8)

NAME
       pvresize - resize a disk or partition in use by LVM2

SYNOPSIS
       pvresize	 [-d|--debug]  [-h|--help]  [-t|--test] [-v|--verbose] [--ver‐
       sion] [--setphysicalvolumesize size] PhysicalVolume [PhysicalVolume...]

DESCRIPTION
       pvresize resizes PhysicalVolume which may already be in a volume	 group
       and have active logical volumes allocated on it.

OPTIONS
       See lvm(8) for common options.

       --setphysicalvolumesize size
	      Overrides	 the  automatically-detected size of the PV.  Use with
	      care, or prior to reducing the physical size of the device.

EXAMPLES
       Expand the PV on /dev/sda1 after enlarging the partition with fdisk:

       pvresize /dev/sda1

       Shrink the PV on /dev/sda1 prior to shrinking the partition with	 fdisk
       (ensure that the PV size is appropriate for your intended new partition
       size):

       pvresize --setphysicalvolumesize 40G /dev/sda1

RESTRICTIONS
       pvresize will refuse to	shrink	PhysicalVolume	if  it	has  allocated
       extents	after  where  its  new	end would be. In the future, it should
       relocate these elsewhere in the volume group  if	 there	is  sufficient
       free space, like pvmove does.

       pvresize	 won't	currently  work	 correctly on LVM1 volumes or PVs with
       extra metadata areas.

SEE ALSO
       lvm(8), pvmove(8), lvresize(8), fdisk(8)

Sistina Software UK LVM TOOLS 2.02.88(2)-RHEL5 (2013-06-25)	   PVRESIZE(8)
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