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XNBD-WATCHDOG(1) xNBD Manual XNBD-WATCHDOG(1)

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 xnbd-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_DEVICE

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 programs have been written by Takahiro Hirofuchi (t.hirofuchi@aist.go.jp).

This manual page was written by Arno Toell (arno@debian.org) 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.

02/12/2014 xNBD 0.3.0