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       lvextend  [-A|--autobackup {y|n}] [-d|--debug] [-h|--help]
       {-l|--extents [+]LogicalExtentsNumber| -L|--size  [+]Logi­
       calVolumeSize[kKmMgGtT]}  [-v|--verbose] LogicalVolumePath


       lvextend allows you to extend the size of a  logical  vol­
       ume.   Extension  of  snapshot logical volumes (see lvcre­
       ate(8) for information to create snapshots) is supprted as

       -A, --autobackup y/n
              Controls  automatic backup of VG metadata after the
              change ( 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

       -l, --extents [+]LogicalExtentsNumber
              Extend or set the logical volume size in  units  of
              logical  extents.   With  the  +  sign the value is
              added to the actual size of the logical volume  and
              without  it, the value is taken as an absolute one.

       -L, --size [+]LogicalVolumeSize[kKmMgGtT]
              Extend or set the logical volume size in  units  in
              units  of  megabytes.   A  size  suffix  of  M  for
              megabytes, G for gigabytes or T  for  terabytes  is
              optional.   With  the  + sign the value is added to
              the actual size of the logical volume  and  without
              it, the value is taken as an absolute one.

       -v, --verbose
              Gives  verbose runtime information about lvextend's


       "lvextend -L  +54  /dev/vg01/lvol10  /dev/sdk3"  tries  to
       extend the size of that logical volume by 54MB on physical
       volume /dev/sdk3.  This is only possible if /dev/sdk3 is a
       member  of  volume  group  vg01  and there are enough free
       physical extents in it.


       lvextend returns an exit code of 0 for success or > 0  for
       13 error extending VGDA for logical volume in kernel
       14 error writing VGDA to physical volume(s)
       15 error getting index for read/write statistics transfer
       16 error getting status of logical volume from kernel
       17 error setting up copy on write exception table

       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


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

              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).

              The default Volume Group Name to use. Setting  this
              variable enables you to enter just the Logical Vol­
              ume Name rather than its complete path.

See also

       lvm(8), lvcreate(8), lvreduce(8), lvchange(8)


       Heinz Mauelshagen <Linux-LVM@Sistina.com>

Heinz Mauelshagen           LVM TOOLS                 LVEXTEND(8)
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