NAME¶
xnbd-watchdog — Watch a NBD device as started by
xnbd-client(1)
SYNOPSIS¶
xnbd-watchdog [--timeout
SECONDS] [--interval
SECONDS]
[--recovery-command
COMMAND] [--recovery-command-reboot]
[
NBD_DEVICE]
DESCRIPTION¶
With the
xnbd-watchdog, you can monitor a running
nbd-client and
trigger actions on failure.
OPTIONS¶
The following options are supported:
- --timeout SECONDS
- Triggers the recovery command action if the watchdog
process is unable to connect to the NBD_DEVICE within the given
timeout. If not given, this defaults to 10 seconds.
- --interval SECONDS
- Specifies the polling interval between probes. If not
given, this defaults to 10 seconds.
- --recovery-command COMMAND
- If given, the COMMAND is executed if the watchdog is
unable to connect the NBD device after timeout exceeded.
- --recovery-command-reboot
- This argument is a shortcut for --recovery-command
'reboot now'. That is, it will reboot the server upon failure.
POSITIONAL ARGUMENTS¶
The following positional options are supported:
- NBD_SERVER
- The local nbd-device to be associated with the remote
xnbd-server.
SEE ALSO¶
xnbd-server (8).
AUTHOR¶
The NBD kernel module and the NBD tools have been written by Pavel Macheck
(pavel@ucw.cz) and is now maintained by Paul Clements.
(Paul.Clements@steeleye.com).
The xNBD userland (client and server) have been written by Takahiro Hirofuchi
(t.hirofuchi@aist.go.jp)
This manual page was written by Arno Toell (debian@toell.net) for the
Debian
GNU/Linux system (but may be used by others). Permission is granted to
copy, distribute and/or modify this document under the terms of the GNU
General Public License, version 2, as published by the Free Software
Foundation.