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#!/bin/bash
#
# This STONITH script drives the shared-storage stonith plugin.
#
# Author: Lars Marowsky-Bree
# Copyright: 2008 Lars Marowsky-Bree
# License: GNU General Public License (GPL)
#
# Main code
case $1 in
gethosts)
echo `sbd -d $sbd_device list | cut -f2`
exit 0
;;
off|reset)
sbd -d $sbd_device message $2 $1
exit $?
;;
status)
if ! sbd -d $sbd_device list >/dev/null 2>&1 ; then
ha_log err "sbd could not list nodes from $sbd_device"
exit 1
fi
nodes="$(crm_node -l)"
if [ -z "$node" ]; then
# No active nodes; strange, but maybe not running pacemaker?
ha_log warn "no active nodes reported by the CRM"
exit 0
fi
for N in $nodes ; do
if ! sbd -d $sbd_device ping $N >/dev/null 2>&1 ; then
ha_log err "node $N not accessible through $sbd_device"
exit 1
fi
done
exit 0
;;
on)
exit 1
;;
getconfignames)
echo "sbd_device"
exit 0
;;
getinfo-devid)
echo "Shared storage STONITH device"
exit 0
;;
getinfo-devname)
echo "Shared storage STONITH device"
exit 0
;;
getinfo-devdescr)
cat << DESC
sbd uses a shared storage device as a medium to communicate
fencing requests. This allows clusters without network power
switches; the downside is that access to the shared storage
device becomes a Single Point of Failure.
It requires sbd to be configured. Please read
http://linux-ha.org/wiki/SBD_Fencing!
DESC
exit 0
;;
getinfo-devurl)
echo "http://linux-ha.org/wiki/SBD_Fencing"
exit 0
;;
getinfo-xml)
cat << SSHXML
<parameters>
<parameter name="sbd_device" unique="1" required="1">
<content type="string" />
<shortdesc lang="en">
SBD device
</shortdesc>
<longdesc lang="en">
The block device used for the SBD partition.
</longdesc>
</parameter>
</parameters>
SSHXML
exit 0
;;
*)
exit 1
;;
esac

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sbd.agent (1 KB)

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