#!/bin/bash # # netfs Mount network filesystems. # # Authors: Bill Nottingham # AJ Lewis # Miquel van Smoorenburg, # # chkconfig: 345 25 75 # description: Mounts and unmounts all Network File System (NFS), \ # CIFS (Lan Manager/Windows), and NCP (NetWare) mount points. ### BEGIN INIT INFO # Provides: $remote_fs # Short-Description: Mount and unmount network filesystems. # Description: Mount and unmount network filesystems. ### END INIT INFO [ -f /etc/sysconfig/network ] || exit 0 . /etc/init.d/functions . /etc/sysconfig/network NFSFSTAB=$(LC_ALL=C awk '!/^#/ && $3 ~ /^nfs/ && $3 != "nfsd" && $4 !~ /noauto/ { print $2 }' /etc/fstab) CIFSFSTAB=$(LC_ALL=C awk '!/^#/ && $3 == "cifs" && $4 !~ /noauto/ { print $2 }' /etc/fstab) NCPFSTAB=$(LC_ALL=C awk '!/^#/ && $3 == "ncpfs" && $4 !~ /noauto/ { print $2 }' /etc/fstab) GLUSTERFSFSTAB=$(LC_ALL=C awk '!/^#/ && $3 == "glusterfs" && $4 !~ /noauto/ { print $2 }' /etc/fstab) NETDEVFSTAB=$(LC_ALL=C awk '!/^#/ && $4 ~/_netdev/ && $4 !~ /noauto/ { print $1 }' /etc/fstab) NFSMTAB=$(LC_ALL=C awk '$3 ~ /^nfs/ && $3 != "nfsd" && $2 != "/" { print $2 }' /proc/mounts) CIFSMTAB=$(LC_ALL=C awk '$3 == "cifs" { print $2 }' /proc/mounts) NCPMTAB=$(LC_ALL=C awk '$3 == "ncpfs" { print $2 }' /proc/mounts) GLUSTERFSMTAB=$(LC_ALL=C awk '$3 == "fuse.glusterfs" { print $2 }' /proc/mounts) NETDEVMTAB=$(LC_ALL=C awk '$4 ~ /_netdev/ && $2 != "/" { print $2 }' /etc/mtab) # See how we were called. case "$1" in start) [ ! -f /var/lock/subsys/network ] && ! nm-online -x >/dev/null 2>&1 && exit 0 [ "$EUID" != "0" ] && exit 4 [ -n "$NFSFSTAB" ] && { [ ! -f /var/lock/subsys/rpcbind ] && service rpcbind start echo $"NFS filesystems queued to be mounted" } [ -n "$CIFSFSTAB" ] && echo $"CIFS filesystems queued to be mounted" [ -n "$NCPFSTAB" ] && echo $"NCP filesystems queued to be mounted" [ -n "$GLUSTERFSFSTAB" ] && echo $"GLUSTERFS filesystems queued to be mounted" [ -n "$NETDEVFSTAB" ] && { if [ -f /etc/mdadm.conf ] && [ -x /sbin/mdadm ]; then /sbin/mdadm -A -s fi if [ -f /etc/multipath.conf -a -x /sbin/multipath ]; then modprobe dm-multipath >/dev/null 2>&1 /sbin/multipath -v 0 if [ -x /sbin/kpartx ]; then /sbin/dmsetup ls --target multipath --exec "/sbin/kpartx -a -p p" fi fi if [ -x /sbin/lvm ]; then if /sbin/lvm vgscan > /dev/null 2>&1 ; then action $"Setting up Logical Volume Management:" /sbin/lvm vgchange -a ay --ignoreskippedcluster fi fi if [ -f /etc/crypttab ]; then init_crypto 1 fi STRING=$"Checking network-attached filesystems" echo $STRING fsck -A -T -M -a -t opts=_netdev rc=$? if [ "$rc" -eq "0" ]; then success "$STRING" echo elif [ "$rc" -eq "1" ]; then passed "$STRING" echo fi if [ "$rc" -gt 1 ]; then if [ -x /bin/plymouth ] && /bin/plymouth --ping ; then /bin/plymouth --hide-splash fi failure "$STRING" tty >/dev/null 2>&1 || exit 1 echo echo echo $"*** An error occurred during the file system check." echo $"*** Dropping you to a shell; the system will reboot" echo $"*** when you leave the shell." str=$"(Repair filesystem)" PS1="$str \# # "; export PS1 [ "$SELINUX" = "1" ] && disable_selinux sulogin shutdown -r now fi } touch /var/lock/subsys/netfs # The 'no' applies to all listed filesystem types. See mount(8). action $"Mounting filesystems: " mount -a -t nogfs2 ;; stop) # Unmount loopback stuff first [ "$EUID" != "0" ] && exit 4 __umount_loopback_loop if [ -n "$NETDEVMTAB" ]; then __umount_loop '$4 ~ /_netdev/ && $2 != "/" {print $2}' \ /etc/mtab \ $"Unmounting network block filesystems: " \ $"Unmounting network block filesystems (retry): " fi if [ -n "$GLUSTERFSMTAB" ]; then __umount_loop '$3 ~ /^glusterfs/ {print $2}' \ /etc/mtab \ $"Unmounting GLUSTERFS filesystems: " \ $"Unmounting GLUSTERFS filesystems (retry): " fi if [ -n "$NFSMTAB" ]; then STRING=$"Unmounting NFS filesystems:" echo -n $STRING nfs_fs=$(LC_ALL=C awk '/^#/ {next} $3 ~ /^nfs/ && $3 != "nfsd" && $2 != "/" {print $2}' /proc/mounts | sort -r) if [ -n "$nfs_fs" ]; then # create a device id reference devs=$(stat -c "%d" $nfs_fs) # the lazy umount for fs in $nfs_fs ; do umount -l $fs done # find fds that don't start with /, are not sockets or pipes or other. # these are potentially detached fds detached_fds=$(find /proc/ -regex '/proc/[0-9]+/fd/.*' -printf "%p %l\n" 2>/dev/null |\ grep -Ev '/proc/[0-9]+/fd/[0-9]+ (/.*|inotify|\[.+\]|(socket|pipe):\[[0-9]+\])') # check each detached fd to see if it has the same device # as one of our lazy umounted filesystems kill_list= [ -n "$detached_fds" ] && while read fdline; do fd=${fdline%% *} pid=$(echo $fdline | sed -r 's/\/proc\/([0-9]+).+/\1/') fd_dev=$(stat -L -c "%d" $fd) for dev in $devs ; do [ "$dev" = "$fd_dev" ] && kill_list+="$pid " done done <<< "$detached_fds" [ -n "$kill_list" ] && kill $kill_list # run a little wait/check loop for procs to exit count=4 while [ "$count" -gt 0 ] ; do [ -z "$kill_list" ] && break count=$(($count-1)) usleep 500000 remaining= for pid in $kill_list ; do [ -d "/proc/$pid" ] && remaining+="$pid " done kill_list=$remaining done # try to finish the job: if [ -n "$kill_list" ] ; then kill -9 $kill_list usleep 500000 # last check remaining= for pid in $kill_list ; do [ -d "/proc/$pid" ] && remaining+="$pid " done fi [ -z "$remaining" ] && success "$STRING" || failure "$STRING" echo fi fi [ -n "$CIFSMTAB" ] && action $"Unmounting CIFS filesystems: " umount -a -t cifs [ -n "$NCPMTAB" ] && action $"Unmounting NCP filesystems: " umount -a -t ncp,ncpfs rm -f /var/lock/subsys/netfs ;; status) if [ -f /proc/mounts ] ; then [ -n "$NFSFSTAB" ] && { echo $"Configured NFS mountpoints: " for fs in $NFSFSTAB; do echo $fs ; done } [ -n "$CIFSFSTAB" ] && { echo $"Configured CIFS mountpoints: " for fs in $CIFSFSTAB; do echo $fs ; done } [ -n "$NCPFSTAB" ] && { echo $"Configured NCP mountpoints: " for fs in $NCPFSTAB; do echo $fs ; done } [ -n "$NETDEVFSTAB" ] && { echo $"Configured network block devices: " for fs in $NETDEVFSTAB; do echo $fs ; done } [ -n "$NFSMTAB" ] && { echo $"Active NFS mountpoints: " for fs in $NFSMTAB; do echo $fs ; done } [ -n "$CIFSMTAB" ] && { echo $"Active CIFS mountpoints: " for fs in $CIFSMTAB; do echo $fs ; done } [ -n "$NCPMTAB" ] && { echo $"Active NCP mountpoints: " for fs in $NCPMTAB; do echo $fs ; done } [ -n "$GLUSTERFSMTAB" ] && { echo $"Active GLUSTERFS mountpoints: " for fs in $GLUSTERFSMTAB; do echo $fs ; done } [ -n "$NETDEVMTAB" ] && { echo $"Active network block devices: " for fs in $NETDEVMTAB; do echo $fs ; done } else echo $"/proc filesystem unavailable" fi [ -r /var/lock/subsys/netfs ] || exit 3 ;; restart) $0 stop $0 start exit $? ;; reload) $0 start exit $? ;; *) echo $"Usage: $0 {start|stop|restart|reload|status}" exit 2 esac exit 0