Red Hat ENTERPRISE LINUX 5 - LOGICAL VOLUME MANAGER ADMINISTRATION Manual page 111

locking_type = 1
# If using external locking (type 2) and initialisation fails,
# with this set to 1 an attempt will be made to use the built-in
# clustered locking.
# If you are using a customised locking_library you should set this to
0.
fallback_to_clustered_locking = 1
# If an attempt to initialise type 2 or type 3 locking failed, perhaps
# because cluster components such as clvmd are not running, with this
set
# to 1 an attempt will be made to use local file-based locking (type
1).
# If this succeeds, only commands against local volume groups will
proceed.
# Volume Groups marked as clustered will be ignored.
fallback_to_local_locking = 1
# Local non-LV directory that holds file-based locks while commands are
# in progress.
OK.
locking_dir = "/var/lock/lvm"
# Other entries can go here to allow you to load shared libraries
# e.g. if support for LVM1 metadata was compiled as a shared library
use
# format_libraries = "liblvm2format1.so"
# Full pathnames can be given.
# Search this directory first for shared libraries.
# library_dir = "/lib"
# The external locking library to load if locking_type is set to 2.
# locking_library = "liblvm2clusterlock.so"
}
activation {
# How to fill in missing stripes if activating an incomplete volume.
# Using "error" will make inaccessible parts of the device return
# I/O errors on access.
# case, that device will be used to in place of missing stripes.
# But note that using anything other than "error" with mirrored
# or snapshotted volumes is likely to result in data corruption.
missing_stripe_filler = "error"
# How much stack (in KB) to reserve for use while devices suspended
reserved_stack = 256
# How much memory (in KB) to reserve for use while devices suspended
reserved_memory = 8192
A directory like /tmp that may get wiped on reboot is
You can instead use a device path, in which
Sample lvm.conf File
99