Linux "lvmpolld" Command Line Options and Examples

LVM poll daemon

lvmpolld is polling daemon for LVM. The daemon receives requests for polling of already initialised operations originating in LVM2 command line tool. The requests for polling originate in the lvconvert, pvmove, lvchange or vgchange LVM2 commands.

Usage:

lvmpolld [-l|--log {all|wire|debug}] [-p|--pidfile pidfile_path] [-s|--socket socket_path] [-B|--binary lvm_binary_path] [-t|--time‐ out timeout_value] [-f|--foreground] [-h|--help] [-V|--version]

Command Line Options:

-f

Don't fork, but run in the foreground.


                            lvmpolld -f ...

-h

Show help information.


                            lvmpolld -h ...

-l

Select the type of log messages to generate. Messages are logged by syslog. Additionally, when -f is given they are alsosent to standard error. There are two classes of messages: wire and debug. Selecting 'all' supplies both and is equivalent toa comma-separated list -l wire,debug.


                            lvmpolld -l ...

-p

Path to the pidfile. This overrides both the built-in default (/run/lvmpolld.pid) and the environment variable LVM_LVM‐POLLD_PIDFILE. This file is used to prevent more than one instance of the daemon running simultaneously.


                            lvmpolld -p ...

-s

Path to the socket file. This overrides both the built-in default (/run/lvm/lvmpolld.socket) and the environment variableLVM_LVMPOLLD_SOCKET.


                            lvmpolld -s ...

-t

The daemon may shutdown after being idle for the given time (in seconds). When the option is omitted or the value given iszero the daemon never shutdowns on idle.


                            lvmpolld -t ...

-B

Optional path to alternative LVM binary (default: /lvm). Use for testing purposes only.


                            lvmpolld -B ...

-V

Display the version of lvmpolld daemon.


                            lvmpolld -V ...