Description of LVM configuration options

Configuration option = Default value	Description
[DEFAULT]
lvm_conf_file = /etc/cinder/lvm.conf	(StrOpt) LVM conf file to use for the LVM driver in Cinder; this setting is ignored if the specified file does not exist (You can also specify 'None' to not use a conf file even if one exists).
lvm_mirrors = 0	(IntOpt) If >0, create LVs with multiple mirrors. Note that this requires lvm_mirrors + 2 PVs with available space
lvm_type = default	(StrOpt) Type of LVM volumes to deploy
volume_group = cinder-volumes	(StrOpt) Name for the VG that will contain exported volumes