IBM Data Server DB2 - Manual (Page 97)

Chapter 2. DB2 server deployment 83
umountnfs()
{
set ${setopts?}
${RCMD} umount "$LOCALNFS"
rc=$?
# if unmount fails, try once more
if [ $rc != 0 ]; then
echo "Unmount failed on machine $host. Will try again 2 seconds later."
sleep 2
echo "Trying unmount again..."
${RCMD} umount "$LOCALNFS"
rc=$
if [ $rc != 0 ]; then
echo "Umount failed twice on machine $host. You need to do it manually."
fi
fi
}
# check in memory if DB2 instance processes still exist.
chkdb2proc()
{
set ${setopts?}
# check if db2ilist exists
${RCMD} test -f $INSTPATH/instance/db2ilist
rc=$?
if [ $rc == 0 ]; then
# get DB2 instances list
for inst in `${RCMD} $INSTPATH/instance/db2ilist`
do
# check if db2_ps exists
${RCMD} su - "$inst -c \"which db2_ps\"" > /dev/null 2>&1
rc=$?
if [ $rc == 0 ]; then
# count the number of db2 processes
PSCOUNT=`${RCMD} su - $inst -c "db2_ps"|egrep -v '^Node | *UID| completed ok$'|\
sed '/ */d'|wc -l`
if [ $PSCOUNT -gt 0 ]; then
printf "Process associated with DB2 instance %s found in memory.\n" $inst
printf "Please clean all DB2 processes before deloying fix pack.\n"
return 1
else
rc=0
fi
fi
done
else
return 1
fi