Hello all.
What we have:
2xDebian 5.0 2.6.32-bpo.5-amd64 from backports with DRBD inside.
I think what on some conditions DRBD is do a system reboot by
pri-on-incon-degr "/usr/lib/drbd/notify-pri-on-incon-degr.sh;
/usr/lib/drbd/notify-emergency-reboot.sh; echo b > /proc/sysrq-trigger ;
reboot -f";
pri-lost-after-sb "/usr/lib/drbd/notify-pri-lost-after-sb.sh;
/usr/lib/drbd/notify-emergency-reboot.sh; echo b > /proc/sysrq-trigger ;
reboot -f";
But I don`t get any mail to root and can`t find what is wrong.
I try to run in by hand:
# sh -x /usr/lib/drbd/notify-emergency-reboot.sh
+ PROG=notify-emergency-reboot.sh
/usr/lib/drbd/notify-emergency-reboot.sh: line 9: syntax error near
unexpected token `>'
/usr/lib/drbd/notify-emergency-reboot.sh: line 9: `exec > >(2>&- ;
logger -t "$PROG[$$]" -p local5.info) 2>&1'
I don`t understand this string right to fix it. Is it broken or I doing
something wrong?
Below notify-emergency-reboot.sh.
# cat /usr/lib/drbd/notify-emergency-reboot.sh
#!/bin/bash
#
# notify.sh -- a notification handler for various DRBD events.
# This is meant to be invoked via a symlink in /usr/lib/drbd,
# by drbdadm's userspace callouts.
# try to get possible output on stdout/err to syslog
PROG=${0##*/}
exec > >(2>&- ; logger -t "$PROG[$$]" -p local5.info) 2>&1
echo "invoked for $DRBD_RESOURCE"
# Default to sending email to root, unless otherwise specified
RECIPIENT=${1:-root}
# check arguments specified on command line
if [ -z "$RECIPIENT" ]; then
echo "You must specify a notification recipient when using this
handler." >&2
exit 1
fi
# check envars normally passed in by drbdadm
for var in DRBD_RESOURCE DRBD_PEER; do
if [ -z "${!var}" ]; then
echo "Environment variable \$$var not found (this is normally passed
in by drbdadm)." >&2
exit 1
fi
done
: ${DRBD_CONF:="usually /etc/drbd.conf"}
DRBD_LOCAL_HOST=$(hostname)
case "$0" in
*split-brain.sh)
SUBJECT="DRBD split brain on resource $DRBD_RESOURCE"
BODY="
DRBD has detected split brain on resource $DRBD_RESOURCE
between $DRBD_LOCAL_HOST and $DRBD_PEER.
Please rectify this immediately.
Please see http://www.drbd.org/users-guide/s-resolve-split-brain.html
for details on doing so."
;;
*out-of-sync.sh)
SUBJECT="DRBD resource $DRBD_RESOURCE has out-of-sync blocks"
BODY="
DRBD has detected out-of-sync blocks on resource $DRBD_RESOURCE
between $DRBD_LOCAL_HOST and $DRBD_PEER.
Please see the system logs for details."
;;
*io-error.sh)
SUBJECT="DRBD resource $DRBD_RESOURCE detected a local I/O
error"
BODY="
DRBD has detected an I/O error on resource $DRBD_RESOURCE
on $DRBD_LOCAL_HOST.
Please see the system logs for details."
;;
*pri-lost)
SUBJECT="DRBD resource $DRBD_RESOURCE is currently Primary, but is to
become SyncTarget on $DRBD_LOCAL_HOST"
BODY="
The DRBD resource $DRBD_RESOURCE is currently in the Primary
role on host $DRBD_LOCAL_HOST, but lost the SyncSource election
process."
;;
*pri-lost-after-sb)
SUBJECT="DRBD resource $DRBD_RESOURCE is currently Primary, but lost
split brain auto recovery on $DRBD_LOCAL_HOST"
BODY="
The DRBD resource $DRBD_RESOURCE is currently in the Primary
role on host $DRBD_LOCAL_HOST, but was selected as the split
brain victim in a post split brain auto-recovery."
;;
*pri-on-incon-degr.sh)
SUBJECT="DRBD resource $DRBD_RESOURCE no longer has access to valid
data on $DRBD_LOCAL_HOST"
BODY="
DRBD has detected that the resource $DRBD_RESOURCE
on $DRBD_LOCAL_HOST has lost access to its backing device,
and has also lost connection to its peer, $DRBD_PEER.
This resource now no longer has access to valid data."
;;
*emergency-reboot.sh)
SUBJECT="DRBD initiating emergency reboot of node
$DRBD_LOCAL_HOST"
BODY="
Due to an emergency condition, DRBD is about to issue a reboot
of node $DRBD_LOCAL_HOST. If this is unintended, please check
your DRBD configuration file ($DRBD_CONF)."
;;
*emergency-shutdown.sh)
SUBJECT="DRBD initiating emergency shutdown of node
$DRBD_LOCAL_HOST"
BODY="
Due to an emergency condition, DRBD is about to shut down
node $DRBD_LOCAL_HOST. If this is unintended, please check
your DRBD configuration file ($DRBD_CONF)."
;;
*)
SUBJECT="Unspecified DRBD notification"
BODY="
DRBD on $DRBD_LOCAL_HOST was configured to launch a notification handler
for resource $DRBD_RESOURCE,
but no specific notification event was set.
This is most likely due to DRBD misconfiguration.
Please check your configuration file ($DRBD_CONF)."
;;
esac
echo "$BODY" | mail -s "$SUBJECT" $RECIPIENT
--
Best regards,
Proskurin Kirill
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