Linux Administration/Devices and Filesystems/LVM/lvcreate

lvcreate commands creates a logical volume (LV)

Examples:

• lvcreate --size 5G -n my_new_logical_volume_name my_vol_group_name

--size or -L

• Create LV using all VG space available:

lvcreate -l 100%FREE -n my_new_logical_volume_name my_vol_group_name

Activities

• Create a new LV with lvcreate
• Create a new stripped LV for performance:

lvcreate --size 50G -i 2 -I 64 -n new_stripped_lv_for_performance my_vg0

--type striped is not optional as -i option is used)

-i 2. Number of stripes.

• Understand differences between LV types: --type linear|striped|snapshot|mirror|raid|thin|cache|thin-pool|cache-pool
• Create a snapshot with:lvcreate --snapshot (See also qemu-img create for qcow2 snapshots)

See also

• lvdisplay and lvs
• lvextend
• mkfs.ext4 and dmsetup ls