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#!/bin/rc
# fshalt [-r] - sync (flush) and, if possible, halt all file servers
# and optionally reboot
rfork e
reboot=no
switch ($#*) {
case 0
case 1
reboot=yes
case *
echo usage: $0 '[-r]' >[1=2]
exit usage
}
path=(/bin)
builtin cd /
unmount /mnt/consoles >[2]/dev/null
kill consolefs | rc # don't compete with /mnt/consoles
sleep 1
k=`{ls /srv/kfs*cmd >[2]/dev/null|sort -r}
c=`{ls /srv/cwfs*cmd >[2]/dev/null}
for (i in $k){
echo -n $i...
switch($i){
case /srv/kfs.cmd
disk/kfscmd sync
case *
disk/kfscmd -n `{echo $i | sed -n 's%/srv/kfs.(.*).cmd%\1%p'} sync
}
sleep 2
}
# halting (binaries we run can't be on the fs we're halting)
ramfs
builtin cd /tmp
cp /bin/dial/expect /tmp
cp /bin/disk/kfscmd /tmp
cp /bin/echo /tmp
cp /bin/iostats /tmp
mkdir /tmp/lib
cp /rc/lib/rcmain /tmp/lib
cp /bin/ns /tmp
cp /bin/rc /tmp
cp /bin/sed /tmp
cp /bin/sleep /tmp
cp /bin/scram /tmp
bind /tmp /rc
bind /tmp /bin
# put this in a shell function so this rc script doesn't get read
# when it's no longer accessible
fn x {
echo
echo -n halting...
for (i in $k){
echo -n $i...
switch($i){
case /srv/kfs.cmd
kfscmd halt
case *
kfscmd -n `{echo $i | sed -n 's%/srv/kfs.(.*).cmd%\1%p'} halt
}
}
for (i in $c){
echo -n $i...
echo halt >>$i
sleep 2
}
echo
echo done halting
if (~ $reboot yes) {
echo rebooting...
echo reboot >'#c/reboot'
}
if not scram
}
x
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