#!/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 f=`{ls /srv/fscons*>[2]/dev/null} k=`{ls /srv/kfs*cmd >[2]/dev/null|sort -r} echo -n syncing... for(i in $f){ echo -n $i... { echo dial/drain echo fsys all sync if(! dial/expect -t 120 ': ') echo -n 'not synced...' > /dev/cons } < $i >> $i } echo -n venti... venti/sync >[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/echo /tmp cp /bin/disk/kfscmd /tmp cp /bin/rc /tmp cp /bin/sed /tmp cp /bin/ns /tmp cp /bin/iostats /tmp mkdir /tmp/lib cp /rc/lib/rcmain /tmp/lib 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 $f){ echo -n $i... { echo fsys all halt if(! expect -t 60 ': ') echo -n 'not halted...' > /dev/cons } < $i >> $i } 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 } } echo echo done halting if (~ $reboot yes) { echo rebooting... echo reboot >'#c/reboot' } } x