NAME

       lvextend - extend the size of a logical volume

SYNOPSIS

       lvextend  [--alloc  AllocationPolicy]  [-A|--autobackup {y|n}] [-d|--debug] [-h|-?|--help]
       [--noudevsync]   [-i|--stripes   Stripes   [-I|--stripesize   StripeSize]]   {-l|--extents
       [+]LogicalExtentsNumber[%{VG|LV|PVS|FREE|ORIGIN}]                |               -L|--size
       [+]LogicalVolumeSize[bBsSkKmMgGtTpPeE]}   [-f|--force]    [-n|--nofsck]    [-r|--resizefs]
       [-t|--test] [-v|--verbose] LogicalVolumePath [PhysicalVolumePath[:PE[-PE]]...]

DESCRIPTION

       lvextend allows you to extend the size of a logical volume.  Extension of snapshot logical
       volumes (see lvcreate(8) for information to create snapshots) is supported as  well.   But
       to change the number of copies in a mirrored logical volume use lvconvert(8).

OPTIONS

       See lvm(8) for common options.

       --noudevsync
              Disable udev synchronisation. The process will not wait for notification from udev.
              It will continue irrespective of any possible udev processing  in  the  background.
              You  should  only  use  this  if  udev  is not running or has rules that ignore the
              devices LVM2 creates.

       -l, --extents [+]LogicalExtentsNumber[%{VG|LV|PVS|FREE|ORIGIN}]
              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.  The number  can  also  be  expressed  as  a
              percentage  of the total space in the Volume Group with the suffix %VG, relative to
              the existing size of the Logical Volume with the suffix %LV, of the remaining  free
              space  for the specified PhysicalVolume(s) with the suffix %PVS, as a percentage of
              the remaining free space in the Volume Group with  the  suffix  %FREE,  or  (for  a
              snapshot)  as a percentage of the total space in the Origin Logical Volume with the
              suffix %ORIGIN.  The resulting value is rounded upward.

       -L, --size [+]LogicalVolumeSize[bBsSkKmMgGtTpPeE]
              Extend or set the logical volume size in units of megabytes.  A size  suffix  of  M
              for  megabytes, G for gigabytes, T for terabytes, P for petabytes or E for exabytes
              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.

       -i, --stripes Stripes
              Gives  the  number  of  stripes for the extension.  Not applicable to LVs using the
              original metadata LVM format, which must use a single value throughout.

       -I, --stripesize StripeSize
              Gives the number of kilobytes for the granularity of the stripes.   Not  applicable
              to  LVs  using  the  original  metadata  LVM  format, which must use a single value
              throughout.
              StripeSize must be 2^n (n = 2 to 9)

       -f, --force
              Proceed with size extension without prompting.

       -n, --nofsck
              Do not perform fsck before extending filesystem when filesystem  requires  it.  You
              may need to use --force to proceed with this option.

       -r, --resizefs
              Resize underlying filesystem together with the logical volume using fsadm(8).

Examples

       Extends  the  size  of  the  logical  volume  "vg01/lvol10"  by  54MiB  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 -L +54 /dev/vg01/lvol10 /dev/sdk3

       Extends  the  size of logical volume "vg01/lvol01" by the amount of free space on physical
       volume /dev/sdk3. This is equivalent to specifying "-l +100%PVS" on the command line:

       lvextend /dev/vg01/lvol01 /dev/sdk3

       Extends a logical volume "vg01/lvol01" by 16MiB using physical  extents  /dev/sda:8-9  and
       /dev/sdb:8-9 for allocation of extents:

       lvextend -L+16M vg01/lvol01 /dev/sda:8-9 /dev/sdb:8-9

SEE ALSO

       fsadm(8), lvm(8), lvcreate(8), lvconvert(8), lvreduce(8), lvresize(8), lvchange(8)