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Do you mind to share your config? Have you checked what is happening
using a sniffer at the real server or via debug filter at the
ServerIron?<br><br>
R, Oliver<br><br>
At 01:30 05.08.2008, Alex Sharaz wrote:<br>
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<font size=2>Hi,<br>
We've been running ServerIronXL hardware for a few years and I've just
purchased some new chassis based replacements with WSM modules.<br><br>
I've been porting our existing load balanced services over to the new
boxes and have come across a funny.<br><br>
I provide a server load balanced DNS service via our foundry kit. and
have 3 "remote" servers defined and bound to a VIP. I've
configured the serveriron to perform a zone health check and on each of
the 3 servers I can see the health check coming in. The same real
servers are also used by our XL boxes in the interim.<br><br>
What I've found is that weven though the serveriron thinks all 3 servers
are active, when it tries to use the last one in the group of remote
servers the query never reaches the server. a sh server real doesn't show
any connections to the server. From the users point of view the query
never resolves. If i take down the dns server on the remote server so
that the serveriron health check fails, it succesfully uses the other two
servers and everything is o.k.<br><br>
I've switched off iptables on my real(remote) servers but it doesn't make
any difference. As far as i can see all my servers are identical. I have
the same setup on another serverion on our west campus with anoter 3
servers and it does the same thing.<br><br>
Anyone else seen this?<br><br>
TIA<br>
Alex</font> <br>
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