NAME
lvresize - resize a logical volume
SYNOPSIS
lvresize [--alloc AllocationPolicy] [-A|--autobackup y|n] [-d|--debug]
[-h|-?|--help] [-i|--stripes Stripes [-I|--stripesize StripeSize]]
{-l|--extents [+]LogicalExtentsNumber[%{VG|LV|PVS|FREE}] | -L|--size
[+]LogicalVolumeSize[kKmMgGtT]} [-t|--test] [-v|--verbose] LogicalVolumePath
[PhysicalVolumePath...]
DESCRIPTION
lvresize allows you to resize a logical volume. Be careful when reducing a
logical volume's size, because data in the reduced part is lost!!! You should
therefore ensure that any filesystem on the volume is shrunk first so that the
extents that are to be removed are not in use. Resizing snapshot logical
volumes (see
lvcreate(8) for information about creating 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.
- -l, --extents
[+|-]LogicalExtentsNumber[%{VG|LV|PVS|FREE}]
- Change or set the logical volume size in units of logical
extents. With the + or - sign the value is added to or subtracted from 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, as a percentage
of the remaining free space of the PhysicalVolumes on the command line
with the suffix %PVS, or as a percentage of the remaining free space in
the Volume Group with the suffix %FREE.
- -L, --size [+|-]LogicalVolumeSize[kKmMgGtTpPeE]
- Change 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 + or -
sign the value is added to or subtracted from 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 to use when extending a Logical
Volume. Defaults to whatever the last segment of the Logical Volume uses.
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. Defaults to whatever the last segment of the Logical Volume uses.
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)
SEE ALSO
lvm(8),
lvconvert(8),
lvcreate(8),
lvreduce(8),
lvchange(8)