2002-04-07 H.J. Lu <hjl@lucon.org>

[nfs-utils.git] / etc / redhat / nfs.init

diff --git a/etc/redhat/nfs.init b/etc/redhat/nfs.init
index d3eeab5ebed7b5f004342adb509e1d7917198032..2f0d8dcf2c6e75618595105cdb73c9f270b0f2e9 100755 (executable)
--- a/etc/redhat/nfs.init
+++ b/etc/redhat/nfs.init
@@ -8,6 +8,7 @@
 #              networks. This service provides NFS server functionality, \
 #              which is configured via the /etc/exports file.
 # probe: true
+# config: /etc/sysconfig/nfsd
 
 # Source function library.
 . /etc/rc.d/init.d/functions
@@ -27,45 +28,101 @@ fi
 [ -x /usr/sbin/exportfs ] || exit 0
 [ -s /etc/exports ] || exit 0
 
-# Number of servers to be started uo by default
-RPCNFSDCOUNT=8
-# No NFS V3.
-RPCMOUNTDOPTS="--no-nfs-version 3"
+# Check for and source configuration file otherwise set defaults
+# TUNE_QUEUE: controls whether to up the size of input queues
+NFSDCFG=/etc/sysconfig/nfsd
+if [ -f "$NFSDCFG" ]; then
+   # Tune nfs server settings
+   . "$NFSDCFG"
+else
+   # Set some defaults
+   TUNE_QUEUE ="no"
+   # Default to NFS version 3.
+   RPCMOUNTDOPTS=""
+fi
+
+# Number of servers to be started by default
+[ -z "$RPCNFSDCOUNT" ] && RPCNFSDCOUNT=8
+
+# Remote quota server
+[ -z "$RQUOTAD" ] && RQUOTAD=`type -path rpc.rquotad`
+
+# Get the initial values for the input sock queues
+# at the time of running the script.
+if [ "$TUNE_QUEUE" = "yes" ]; then
+    RMEM_DEFAULT=`/sbin/sysctl -n net.core.rmem_default`
+    RMEM_MAX=`/sbin/sysctl -n net.core.rmem_max`
+    WMEM_DEFAULT=`/sbin/sysctl -n net.core.wmem_default`
+    WMEM_MAX=`/sbin/sysctl -n net.core.wmem_max`
+    # 256kb recommended minimum size based on SPECsfs NFS benchmarks
+    [ -z "$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
+           /sbin/sysctl -w net.core.wmem_default=$NFSD_QS >/dev/null 2>&1
+           /sbin/sysctl -w net.core.wmem_max=$NFSD_QS >/dev/null 2>&1
+       fi
        action "Starting NFS services: " /usr/sbin/exportfs -r
-       echo -n "Starting NFS quotas: "
-       daemon rpc.rquotad
+       if [ -n "$RQUOTAD" -a "$RQUOTAD" != "no" ]; then
+           echo -n "Starting NFS quotas: "
+           daemon rpc.rquotad
+           echo
+       fi
+       echo -n "Starting NFS daemon: "
+       daemon rpc.nfsd $RPCNFSDCOUNT
        echo
+
+       if [ -z "$RPCMOUNTDOPTS" ]; then
+           # Let's see if we support NFS version 3.
+           /usr/sbin/rpcinfo -u localhost nfs 3 &>/dev/null
+           if [ $? -ne 0 ]; then
+               RPCMOUNTDOPTS="--no-nfs-version 3"
+           fi
+       fi
+
        echo -n "Starting NFS mountd: "
        daemon rpc.mountd $RPCMOUNTDOPTS
        echo
-       echo -n "Starting NFS daemon: "
-       daemon rpc.nfsd $RPCNFSDCOUNT
-       echo
        touch /var/lock/subsys/nfs
+       # reset input queue for rest of network services
+       if [ "$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
+           /sbin/sysctl -w net.core.wmem_default=$WMEM_DEFAULT >/dev/null 2>&1
+           /sbin/sysctl -w net.core.wmem_max=$WMEM_MAX >/dev/null 2>&1
+       fi
        ;;
   stop)
        # Stop daemons.
-       action "Shutting down NFS services: " /usr/sbin/exportfs -au
        echo -n "Shutting down NFS mountd: "
        killproc rpc.mountd
        echo
        echo -n "Shutting down NFS daemon: "
        killproc nfsd
        echo
-       echo -n "Shutting down NFS quotas: "
-       killproc rpc.rquotad
-       echo
+       if [ -n "$RQUOTAD" ]; then
+               echo -n "Shutting down NFS quotas: "
+               killproc rpc.rquotad
+               echo
+       fi
+       # Do it the last so that clients can still access the server
+       # when the server is running.
+       action "Shutting down NFS services: " /usr/sbin/exportfs -au
        rm -f /var/lock/subsys/nfs
        ;;
   status)
        status rpc.mountd
        status nfsd
-       status rpc.rquotad
+       if [ -n "$RQUOTAD" ]; then
+               status rpc.rquotad
+       fi
        ;;
   restart)
        $0 stop