here is a snippet i use to determine if the db is up. u can use any sql script, i
choose to get the db name and compare to sid.
if [ `which sqlplus | grep "no sqlplus" | wc -l` -eq 0 ] &&
[ "`print "\n\n\n" | sqlplus -s guest/guest@$sid @$ORABIN/db_get_dbname | grep
Instance_Name | awk '{print $2}'`" = "$sid" ]
then
db is up stuff...
fi
>>> [EMAIL PROTECTED] 09/18/01 11:45AM >>>
Hi all,
I am trying to write a script in unix that determines if a specific oracle
instance is available. I'm trying to avoid using the 'ps' command, so I
thought the easiest method would be to connect via sqlplus - If it connects
its up, if it doesn't then its unavailable. However, the problem is that
when it isn't up, the script hangs and does not return anything - I think
that this is because sqlplus by default gives you 3 attempts to logon, so
even though the logon attempt failed, it is waiting for you to try again, so
unfortunately I'm not getting a failed return code.
If anybody could tell me how to change this so that it only allows 1 login
attempt before 'kicking you out' or whether there is a better method to
finding out the status of an instance, I would be extremely grateful to hear
from you.
TIA for any responses.
Best Regards,
Barry.
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