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pvcreate



SYNOPSIS

       pvcreate [-d|--debug] [-f[f]|--force [--force]] [-y|--yes]
       [-h|--help] [-v|--verbose]  [-V|--version]  PhysicalVolume
       [PhysicalVolume...]


DESCRIPTION

       pvcreate  initializes  PhysicalVolume for later use by the
       Logical Volume Manager (LVM).  Each PhysicalVolume can  be
       a  disk  partition,  whole  disk, meta device, or loopback
       file.  For DOS disk partitions, the partition id  must  be
       set  to  0x8e  using fdisk(8), cfdisk(8), or a equivalent.
       For whole disk devices only the partition  table  must  be
       erased,  which  will  effectively destroy all data on that
       disk.  This can be done by zeroing the first sector with:

       dd if=/dev/zero of=PhysicalVolume bs=512 count=1

       Continue with vgcreate(8) to create a new volume group  on
       PhysicalVolume, or vgextend(8) to add PhysicalVolume to an
       existing volume group.

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

       -f, --force
              Force  the  creation without any confirmation.  You
              can not recreate (reinitialize) a  physical  volume
              belonging to an existing volume group.  In an emer­
              gency you can override this behaviour with -ff.  In
              no  case case can you initialize an active physical
              volume with this command.

       -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)

       -y, --yes
              Answer yes to all questions.

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


DIAGNOSTICS

       pvcreate  returns an exit code of 0 for success or > 0 for
       error:

       1  no physical volume on command line
       2  error removing existing lvmtab entry for new physical volume
       3  error setting up physical volume structure
       4  error writing physical volume structure to disk
       5  wrong partition type identifier
       6  error physical volume name
       7  error getting size of physical volume

       95 driver/module not in kernel
       96 invalid I/O protocol version
       97 error locking logical volume manager
       98 invalid lvmtab (run vgscan(8))
       99 invalid command line


SEE ALSO

       lvm(8), vgcreate(8), vgextend(8), lvcreate(8),  cfdisk(8),
       fdisk(8), losetup(8), mdadd(8)


AUTHOR

       Heinz Mauelshagen <Linux-LVM@Sistina.com>

Heinz Mauelshagen           LVM TOOLS                 PVCREATE(8)
  

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