LVMETAD(8)LVMETAD(8)NAMElvmetad - LVM metadata cache daemon
SYNOPSISlvmetad [-l {all|wire|debug}] [-p pidfile_path] [-s socket_path] [-f]
[-h] [-V] [-?]
DESCRIPTIONlvmetad is a metadata caching daemon for LVM. The daemon receives noti‐
fications from udev rules (which must be installed for LVM to work cor‐
rectly when lvmetad is in use). Through these notifications, lvmetad
has an up-to-date and consistent image of the volume groups available
in the system.
By default, lvmetad, even if running, is not used by LVM. See
lvm.conf(5).
OPTIONS
To run the daemon in a test environment both the pidfile_path and the
socket_path should be changed from the defaults.
-f Don't fork, but run in the foreground.
-h, -? Show help information.
-l {all|wire|debug}
Select the type of log messages to generate. Messages are
logged by syslog. Additionally, when -f is given they are also
sent to standard error. Since release 2.02.98, there are two
classes of messages: wire and debug. Selecting 'all' supplies
both and is equivalent to a comma-separated list -l wire,debug.
Prior to release 2.02.98, repeating -d from 1 to 3 times, viz.
-d, -dd, -ddd, increased the detail of messages.
-p pidfile_path
Path to the pidfile. This overrides both the built-in default
(#DEFAULT_PID_DIR#/lvmetad.pid) and the environment variable
LVM_LVMETAD_PIDFILE. This file is used to prevent more than one
instance of the daemon running simultaneously.
-s socket_path
Path to the socket file. This overrides both the built-in
default (/run/lvm/lvmetad.socket) and the environment variable
LVM_LVMETAD_SOCKET. To communicate successfully with lvmetad,
all LVM2 processes should use the same socket path.
-V Display the version of lvmetad daemon.
ENVIRONMENT VARIABLES
LVM_LVMETAD_PIDFILE
Path for the pid file.
LVM_LVMETAD_SOCKET
Path for the socket file.
SEE ALSOlvm(8), lvm.conf(5)Red Hat Inc LVM TOOLS 2.02.106(2) (2014-04-10) LVMETAD(8)
