.TH LVEXTEND 8 "LVM TOOLS" "Sistina Software UK" \" -*- nroff -*-
.SH NAME
lvextend \- extend the size of a logical volume
.SH SYNOPSIS
.B lvextend
[\-A/\-\-autobackup y/n] [\-d/\-\-debug] [\-h/\-?/\-\-help]
{\-l/\-\-extents [+]LogicalExtentsNumber |
\-L/\-\-size [+]LogicalVolumeSize[kKmMgGtT]}
[\-v/\-\-verbose] LogicalVolumePath [PhysicalVolumePath...]
.SH DESCRIPTION
lvextend allows you to extend the size of a logical volume.
Extension of snapshot logical volumes (see
.B lvcreate(8)
for information to create snapshots) is supprted as well.
.SH OPTIONS
See \fBlvm\fP for common options.
.TP
.I \-A, \-\-autobackup y/n
Controls automatic backup of VG metadata after the change ( see
.B vgcfgbackup(8)
). Default is yes.
.TP
.I \-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.
.TP
.I \-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.
.SH 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.
.SH SEE ALSO
.BR lvm (8), 
.BR lvcreate (8), 
.BR lvreduce (8), 
.BR lvchange (8)