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[lvs-users] Oddity from monitoring server

To: LinuxVirtualServer.org users mailing list. <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: [lvs-users] Oddity from monitoring server
From: Anoop Bhat <ABhat@xxxxxxxxxxxxx>
Date: Wed, 3 Feb 2010 17:36:50 -0600
Occasionally, we have seen periods where the monitoring server (opennms) will 
report that it can't get to SSH on any of the VIPs that are hosted on our LVS 
clusters. We have several clusters and it seems that at once all of them will 
be unresponsive. We've only seen this happen with SSH and none of the other 
services like http.

Of course, the ssh configuration is set to listen on all Ips which is why it's 
responding to checks.

We're running piranha actually but we're using DR for routing.

Are there any special needs for an LVS server configuration wise? Ie should all 
the non loadbalanced services be set to "listen" only on the LVS servers 
primary IP?

I'm sorry if  I'm not being 100% clear about my issue. It's not a big deal 
currently but we do feel that it has potential to clutter mailboxes and of 
course valid alerts could be lost as well.

Thanks!

Anoop Bhat
Systems Administrator
Trustwave
70 W. Madison
Chicago, IL, 60602
O: 312.873.7446
C: 312.925.3271



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