Liblvm

liblvm is a rubygem provide functions to manipulate the linux LVM objects.

• Create Lvm
• Remove LVM
• Get LVM list
• Verify if a LVM exist
• Get vg extent size
• Get vg free size
• Get vg extent count

Requirement

• libllvm2.7 a linux library

Getting started

• Install the liblvm rubygem

gem  install liblvm

• Initialize the lvm Object Before you should create your VG. The constructor take the VG name as argument

lvm = Linuxlvm.new('TEST_VG')

• Get the lvm version

lvm.get_lvm_version

• Get the VG free size (KB)

lvm.vg_get_free_size

• Get VG extent count

lvm.vg_get_extent_count

• Get VG extent size

lvm.vg_get_extent_size

• Get vg free extent count

lvm.vg_get_free_extent_count

• Create a LV object the lv_create function take two argument the "lv name" and "lv size"

lvm.lv_create("test", lvm.vg_get_extent_size * 10)

• Verify if a lv exist

lvm.lv_exist("test")

• Get the lvs list

lvm.get_lv_list

• Remove a Lv object

lvm.lv_remove("test")