Forum Discussion
NimbostratusTo alert when Tomcat services go down
Hi,
We have a Web URL, which is consisting of two web-servers W01 and W02, which is using round-robin to divide traffic and listening port of the member-servers are port 80( W01:80 AND W02:80),
Query:
Tomcat services were in hung state in W01 server and query is why it doesn't diverted the traffic to secondary web-server: W02 which is mapped into the pool ?
But as tomcat services are basically into port 8080, so is there a way we can let the load0balancer know to switch back to the other member-server server, whenever tomcat services got any issue ?
By any Irule or by addditionally adding the member servers as:
W01:80 W02:80 W01:8080 W02:8080 ?
Thanks and Regards Parveez
3 Replies
Thomas_GobetHi,
What you need is a monitor. You can apply as many monitor profiles as you want.
For example, one which checks 80 port and another for 8080 port.
Here some informations which I think helpful to you : http://support.f5.com/kb/en-us/solutions/public/13000/300/sol13397.html
Parveez_70209Hi,
Currently we have the parent monitor attached as TCP. If for making a monitor for port 8080, how we can set ?
Or else can we create HTTP monitor instead of tcp, whether it will monitor 80 as well as 8080 ?
where we are thinking to specify Send string as GET /
WHILE Receive String is empty
The members are basically Tomcat Apache servers.
Was going through the below link:
https://www.f5.com/pdf/deployment-guides/f5-apache-dg.pdf
Kindly guide Sir.
Thanks and Regards Parveez
- Thomas_Gobet
Yes you can use HTTP monitor instead of TCP.
By default a monitor will request the pool member port, but you just have to define the "Alias Service Port" under Advanced configuration to make a HTTP monitor requesting the 8080 port even if the member is on 80 port.
