03-24-2005 12:47 PM
I'm trying to set up load balancing for oracle forms server and having issues with finding working keepalive method.
If I use uri keepalive, Oracle forms server crashes within a couple of minuites. TCP doesn't work either
service Ora-forms:9000
ip address 192.168.0.34
port 9000
keepalive type http
keepalive uri "/alive.gif"
keepalive frequency 30
It works for Oracle web server tho.
What keepalive do you guy use for Forms server?
03-30-2005 02:25 PM
Failure detection time, as it relates to the GSS, is the amount of time between when a device failure occurred (the answer resource goes offline) and when the GSS realized the failure occurred. The failure detection window is the window of time that the GSS may wait, once initiating a keepalive cycle, before determining that an answer has failed. If a response packet fails to arrive back to the GSS within this window, the answer is marked offline.
For more information : http://www.cisco.com/en/US/products/hw/contnetw/ps4162/products_configuration_guide_chapter09186a008032cbbe.html#wp1155645
03-30-2005 09:46 PM
my problem is in compatiblity between CSS tcp keepalives and Oracle forms server. I think tcp fin-close could be the answer I'm looking for.
03-31-2005 05:37 AM
Here is what a script looks like using the "graceful" close approach..Graceful is at the bottom.
Regards
Pete..
!no echo
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Filename: ap-kal-fin
! Parameters: ip address
!
! Description:
! This script will open and close a socket on port 80.
! The close will be a FIN rather than a RST
!
!
! Failure Upon:
! Not establishing a connection with the host.
!
!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Make sure the user has a qualified number of arguments
if ${ARGS}[#] "LT" "1"
echo "Usage: ap-kal-fin ip address.'"
exit script 1
endbranch
! Connect to the remote Host
set EXIT_MSG "Connect: Failed to connect to ${ARGS}[1]"
socket connect host ${ARGS}[1] port 80 tcp 2000
no set EXIT_MSG
socket disconnect ${SOCKET} graceful
exit script 0
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