#!/bin/sh # # nfs This shell script takes care of starting and stopping # the NFS services. # # chkconfig: 345 60 20 # description: NFS is a popular protocol for file sharing across TCP/IP \ # networks. This service provides NFS server functionality, \ # which is configured via the /etc/exports file. # probe: true # config: /etc/sysconfig/nfs # Source function library. . /etc/rc.d/init.d/functions # Source networking configuration. if [ ! -f /etc/sysconfig/network ]; then exit 0 fi . /etc/sysconfig/network # Check that networking is up. [ ${NETWORKING} = "no" ] && exit 0 [ -x /usr/sbin/rpc.nfsd ] || exit 0 [ -x /usr/sbin/rpc.mountd ] || exit 0 [ -x /usr/sbin/exportfs ] || exit 0 # Don't fail if /etc/exports doesn't exist; create a bare-bones version # and continue. [ -s /etc/exports ] || \ { gprintf "#\n" > /etc/exports && chmod u+rw,g+r,o+r /etc/exports ; } || \ { gprintf "/etc/exports does not exist\n" ; exit 0 ; } # Check for and source configuration file otherwise set defaults # TUNE_QUEUE: controls whether to up the size of input queues [ -f /etc/sysconfig/nfs ] && . /etc/sysconfig/nfs [ -z "$MOUNTD_NFS_V2" ] && MOUNTD_NFS_V2=auto [ -z "$MOUNTD_NFS_V3" ] && MOUNTD_NFS_V3=auto # Number of servers to be started by default [ -z "$NFSDCOUNT" ] && NFSDCOUNT=8 # Remote quota server [ -z "$RQUOTAD" ] && RQUOTAD=`type -path rpc.rquotad` # Get the initial values for the input sock queues # at the time of running the script. if [ "$TUNE_QUEUE" = "yes" ]; then RMEM_DEFAULT=`/sbin/sysctl -n net.core.rmem_default` RMEM_MAX=`/sbin/sysctl -n net.core.rmem_max` # 256kb recommended minimum size based on SPECsfs NFS benchmarks [ -z "$NFS_QS" ] && NFS_QS=262144 fi # See how we were called. case "$1" in start) # Start daemons. # Apply input queue increase for nfs server if [ "$TUNE_QUEUE" = "yes" ]; then /sbin/sysctl -w net.core.rmem_default=$NFSD_QS >/dev/null 2>&1 /sbin/sysctl -w net.core.rmem_max=$NFSD_QS >/dev/null 2>&1 fi action "Starting NFS services: " /usr/sbin/exportfs -r if [ -n "$RQUOTAD" -a "$RQUOTAD" != "no" ]; then gprintf "Starting NFS quotas: " daemon rpc.rquotad echo fi gprintf "Starting NFS daemon: " daemon rpc.nfsd $NFSDCOUNT echo [ -n "$MOUNTD_PORT" ] \ && MOUNTD_OPTIONS="$MOUNTD_OPTIONS -p $MOUNTD_PORT" [ "$MOUNTD_TCP" = "no" -o "$MOUNTD_TCP" = "NO" ] \ && MOUNTD_OPTIONS="$MOUNTD_OPTIONS --no-tcp" case $MOUNTD_NFS_V2 in auto|AUTO) # Let's see if we support NFS version 2. /usr/sbin/rpcinfo -u localhost nfs 2 &>/dev/null if [ $? -ne 0 ]; then MOUNTD_OPTIONS="$MOUNTD_OPTIONS --no-nfs-version 2" fi ;; no|NO) MOUNTD_OPTIONS="$MOUNTD_OPTIONS --no-nfs-version 2" ;; yes|YES) MOUNTD_OPTIONS="$MOUNTD_OPTIONS --nfs-version 2" ;; esac case $MOUNTD_NFS_V3 in auto|AUTO) # Let's see if we support NFS version 3. /usr/sbin/rpcinfo -u localhost nfs 3 &>/dev/null if [ $? -ne 0 ]; then MOUNTD_OPTIONS="$MOUNTD_OPTIONS --no-nfs-version 3" fi ;; no|NO) MOUNTD_OPTIONS="$MOUNTD_OPTIONS --no-nfs-version 3" ;; yes|YES) MOUNTD_OPTIONS="$MOUNTD_OPTIONS --nfs-version 3" ;; esac gprintf "Starting NFS mountd: " daemon rpc.mountd $MOUNTD_OPTIONS echo touch /var/lock/subsys/nfs # reset input queue for rest of network services if [ "$TUNE_QUEUE" = "yes" ]; then /sbin/sysctl -w net.core.rmem_default=$RMEM_DEFAULT >/dev/null 2>&1 /sbin/sysctl -w net.core.rmem_max=$RMEM_MAX >/dev/null 2>&1 fi ;; stop) # Stop daemons. gprintf "Stopping NFS mountd: " killproc rpc.mountd echo gprintf "Stopping NFS daemon: " killproc nfsd echo if [ -n "$RQUOTAD" ]; then gprintf "Stopping NFS quotas: " killproc rpc.rquotad echo fi # Do it the last so that clients can still access the server # when the server is running. action "Stopping NFS services: " /usr/sbin/exportfs -au rm -f /var/lock/subsys/nfs ;; status) status rpc.mountd status nfsd if [ -n "$RQUOTAD" ]; then status rpc.rquotad fi ;; restart) $0 stop || : $0 start ;; reload) /usr/sbin/exportfs -r touch /var/lock/subsys/nfs ;; probe) if [ ! -f /var/lock/subsys/nfs ] ; then echo start; exit 0 fi /sbin/pidof rpc.mountd >/dev/null 2>&1; MOUNTD="$?" /sbin/pidof nfsd >/dev/null 2>&1; NFSD="$?" if [ $MOUNTD = 1 -o $NFSD = 1 ] ; then echo restart; exit 0 fi if [ /etc/exports -nt /var/lock/subsys/nfs ] ; then echo reload; exit 0 fi ;; *) gprintf "Usage: %s {start|stop|status|restart|reload}\n" "$0" exit 1 esac exit 0