cheat.sheets:lvcreate
# lvcreate
# Create a new logical volume.
# Create a logical volume with a specified size
lvcreate -L 10G -n my_lv my_vg
# Create a logical volume with a percentage of the total size of the volume group
lvcreate -l 50%VG -n my_lv my_vg
# Create a mirror logical volume with 2 copies
lvcreate -m 1 -L 10G -n my_mirror_lv my_vg
# Create a thin logical volume from a thin pool
lvcreate -V 10G -T my_vg/my_pool -n my_thin_lv
# Create a snapshot of an existing logical volume
lvcreate -L 5G -s -n my_snapshot /dev/my_vg/my_lv
# Create a striped logical volume
lvcreate -i 2 -L 10G -n my_striped_lv my_vg
# Create a logical volume with specific physical volumes
lvcreate -L 10G -n my_pv_lv my_vg /dev/sda1 /dev/sdb1
# Create a logical volume with a specific permission
lvcreate -L 10G -n my_lv -p rw my_vg
# Create a logical volume while specifying metadata size
lvcreate --size 10G --name my_lv --poolmetadatasize 128M my_vg
# Create a logical volume with zeroing of the first block
lvcreate -Z y -L 10G -n my_lv my_vg
# Clone LVM volume: test => testCopy
lvconvert --type mirror --alloc anywhere -m1 /dev/mylv/test
lvs -a -o +devices | grep -E "LV|test"
# After Cpy%Sync is 100% finished:
lvconvert --splitmirrors 1 --name testCopy /dev/rootvg/test
tldr:lvcreate
# lvcreate
# Creates a logical volume in an existing volume group. A volume group is a collection of logical and physical volumes.
# See also: `lvm`.
# More information: <https://man7.org/linux/man-pages/man8/lvcreate.8.html>.
# Create a logical volume of 10 gigabytes in the volume group vg1:
lvcreate -L 10G vg1
# Create a 1500 megabyte linear logical volume named mylv in the volume group vg1:
lvcreate -L 1500 -n mylv vg1
# Create a logical volume called mylv that uses 60% of the total space in volume group vg1:
lvcreate -l 60%VG -n mylv vg1
# Create a logical volume called mylv that uses all the unallocated space in the volume group vg1:
lvcreate -l 100%FREE -n mylv vg1
$
cheat.sh