LVEXTEND(8)                                                                                                          LVEXTEND(8)



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 [+]Log-
       icalVolumeSize[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 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.

       -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  meta-
              data 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 pro-
              ceed with this option.

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

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

       "lvextend -L+16M vg01/lvol01 /dev/sda:8-9 /dev/sdb:8-9"
       tries  to  extend a logical volume "vg01/lvol01" by 16MB using physical extents /dev/sda:8-9 and /dev/sdb:8-9 for alloca-
       tion of extents.


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



Sistina Software UK                             LVM TOOLS 2.02.84(2) (2011-02-09)                                    LVEXTEND(8)