On Fri, 14 Apr 2006, Garrett Cooper wrote:
Yes. Recently accessed or is being accessed.
-Garrett
Well, for a shell-script-hack, which (i) requires no new kernel and (ii)
could be fairly portable but (iii) could conceivably miss some activity,
you could do something like the following:
#!/bin/sh
DISKDEV=da0
SHUTDOWN_COMMAND="camcontrol stop 0,1,0"
SECONDS=60
# check for activity
# watch iostat for $SECONDS seconds for anything
iostat -d $DISKDEV 1 5 | awk ' NR>2 && $2>0 { print "x" } ' |\
grep x > /dev/null
STATUS=$?
if [ $STATUS -eq 0 ]
then
# there was activity,
$SHUTDOWN_COMMAND
fi
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