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pvresize



SYNOPSIS

       pvresize  [-A|--autobackup {y|n}] [-d|--debug] [-h|--help]
       [-s|--sizePhysicalVolumeSize[kKmMgGtT]]     [-v|--verbose]
       [--version] PhysicalVolume [PhysicalVolume...]


DESCRIPTION

       pvresize  allows you to change the size of a physical vol­
       ume which belongs to a volume group in case the underlying
       device  changes  size.  Examples are hardware RAID systems
       which allow resizing without data loss or size changes  on
       loop  devices.   The  volume group must be inactive to run
       this command.

   OPTIONS
       -A, --autobackup y/n
              Controls automatic backup of VG metadata after  the
              resize ( see vgcfgbackup(8) ). Default is yes.

       -d, --debug
              Enables  additional  debugging  output (if compiled
              with DEBUG).

       -h, --help
              Print a usage message on standard output  and  exit
              successfully.

       -s, --size
              Overrides  the size of the physical volume which is
              normally retrieved.  Useful in rare case where this
              value  is wrong. More useful to fake large physical
              volumes of up to 2 Terabyes - 1 Kilobyte on smaller
              devices  for  testing  purposes  only where no real
              access  to  data  in  created  logical  volumes  is
              needed.   If you wish to create the supported maxi­
              mum, use "pvcreate  -s  2147483647k  PhysicalVolume
              [PhysicalVolume  ...]".   All  other LVM tools will
              use this size with the exception of lvmdiskscan(8)

       -v, --verbose
              Gives verbose runtime information about  pvresize's
              activities.

       Example
              "pvresize  /dev/sdk1"  resizes  physical  volume in
              /dev/sdk1 to the size the operating system reports.


DIAGNOSTICS

       pvresize returns an exit code of 0 for success and > 0 for
       error:

              If this variable is set to "no" then the  automatic
              backup of VG metadata is turned off.

       LVM_MAX_ARCHIVES
              This  variable  determines the backup history depth
              of kept VGDA copy files in /etc/lvmconf. It can  be
              set  to  a  positive number between 0 and 999.  The
              higher this number is, the  more  changes  you  can
              restore using vgcfgrestore(8).


See also

       lvm(8), pvchange(8), pvcreate(8), pvmove(8)


AUTHOR

       Heinz Mauelshagen <Linux-LVM@Sistina.com>

Heinz Mauelshagen           LVM TOOLS                 PVCHANGE(8)
  

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