LVEXTEND(8) manual page
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lvextend -- extend the size of a logical volume
lvextend [--alloc
AllocationPolicy] [-A|--autobackup {y|n}] [--commandprofile ProfileName] [-d|--debug]
[-h|-?|--help] [-f|--force] [-i|--stripes Stripes [-I|--stripesize StripeSize]] {-l|--extents
[+]LogicalExtentsNumber[%{VG|LV|PVS|FREE|ORIGIN}] | -L|--size [+]LogicalVolumeSize[bBsSkKmMgGtTpPeE]}
[-n|--nofsck] [--noudevsync] [-r|--resizefs] [--use-policies] [-t|--test] [-v|--verbose] LogicalVolumePath
[PhysicalVolumePath[:PE[-PE]]...]
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)
.
See lvm(8)
for common options.
- -f, --force
- Proceed with size extension
without prompting.
- -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 total number
of physical extents allocated will be greater than this, for example, if
the volume is mirrored. 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.
N.B. In a future release, when expressed as a percentage with PVS, VG or
FREE, the number will be treated as an approximate upper limit for the
total number of physical extents to be allocated (including extents used
by any mirrors, for example). The code may currently allocate more space
than you might otherwise expect.
- -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)
- -n, --nofsck
- Do not perform fsck before
extending filesystem when filesystem requires it. You may need to use --force
to proceed with this option.
- --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.
- -r, --resizefs
- Resize underlying filesystem together with the logical volume
using fsadm(8)
.
- --use-policies
- Resizes the logical volume according to configured
policy. See lvm.conf(5)
for some details.
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
fsadm(8)
, lvm(8)
, lvm.conf(5)
, lvcreate(8)
,
lvconvert(8)
, lvreduce(8)
, lvresize(8)
, lvchange(8)
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