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|
#!/bin/bash
#
# netfs Mount network filesystems.
#
# Authors: Bill Nottingham <notting@redhat.com>
# AJ Lewis <alewis@redhat.com>
# Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
#
# 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
|
