FJRA en 21:52 6 sep 2008

2008-09-06T21:52:55Z

FJRA en 16:57 23 may 2008

2008-05-23T16:57:28Z

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Este es un demonio RedHat/CentOS para montar los dispositivos GNBD que estuvieran configurados (o sea, automatiza la importanción inicial).

== gnbd-cliente ==

#!/bin/bash
#
#
#
# chkconfig: 345 25 75
# description: export/import/whatever the gnbd block devices configured in /etc/gnbdtab
#
#
### BEGIN INIT INFO
# Provides:
### END INIT INFO

. /etc/init.d/functions

GNBD_SRV_TIMEOUT=5

start() {
local GNBD

if [ ! -f /etc/gnbdtab ] ; then
echo "Please create /etc/gnbdtab"
echo "Sample conf: /etc/gnbdtab"
failure "Falta crear el archivo"
echo
return 1
fi

echo "Loading needed kernel modules for gnbd"
modprobe gnbd
rtrn=$?
if [ $rtrn -ne 0 ]; then
failure "Failed to load needed kernel modules for gnbd"
echo
return 1
fi

GNBD=`cat /etc/gnbdtab | egrep '^import'`
if [ -n "$GNBD" ] ; then
echo "Importing all GNBDs devices"
echo "$(awk '/^import/ { print "--> server:", $2 }' /etc/gnbdtab )"
cat /etc/gnbdtab | awk '/^import/ { print "-i", $2 }' | xargs -l gnbd_import ${GNBD_CLIENT_OPTS} > /dev/null
rtrn=$?
if [ $rtrn -ne 0 ]; then
failure "Failed to import gnbd devices"
echo
return 1
fi
fi
echo "Buscando de nuevo volumenes (porsia)"
vgscan
clvmd -R
vgchange -aly
success "Iniciado"
echo
return 0
}

stop() {

local GNBD_MONITOR_PROC

echo "Desactivando Volume Group que usan gnbd"
pvdisplay -C | awk '/^[ \t\f\n\r\v]*\/dev\/gnbd/ {print $2 }' | xargs -l vgchange -an

echo "Unimporting all GNBDs devices"
gnbd_import -q -R &> /dev/null
rtrn=$?
if [ $rtrn -ne 0 ]; then
failure "Failed to unimport"
echo "Failed to unimport"
return 1
fi

GNBD_MONITOR_PROC="$(pgrep gnbd_monitor)"
if [ -n "${GNBD_MONITOR_PROC}" ]; then
echo "Stopping gnbd_monitor"
killall gnbd_monitor &> /dev/null
rtrn=$?
if [ $rtrn -ne 0 ]; then
echo "Failed to stop gnbd_monitor"
fi
fi

echo "Unloading gnbd kernel module"
modprobe -r gnbd
rtrn=$?
if [ $rtrn -ne 0 ]; then
failure "Failed to unload gnbd kernel module"
echo
return 1
fi
success "Finalizado"
echo
return 0
}

status() {
gnbd_import -l
rtrn=$?
if [ $rtrn -ne 0 ]; then
echo "No hay gnbd importados"
return $rtrn
fi
return 0
}

case "$1" in
start)
start
rtrn=$?
;;
stop)
stop
rtrn=$?
;;
status)
status
rtrn=$?
;;
restart)
stop
start
rtrn=$?
;;
*)
echo $"Usage: $0 {start|stop|restart|status}"
;;
esac

exit $rtrn

[[Category:GNBD]]
[[Category:Demonios_Linux]]

Gnbd-cliente - Historial de revisiones

FJRA en 21:52 6 sep 2008

FJRA en 16:57 23 may 2008