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[Xen-users] Unreliable network on win2k3?

To: Xen List <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] Unreliable network on win2k3?
From: James Pifer <jep@xxxxxxxxxxxxxxxx>
Date: Tue, 01 Jul 2008 11:30:00 -0400
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I've been struggling with this for the last week. I'm trying to install
new helpdesk software that connects to an Oracle database on another
system. In all of the following instances I am able to run SQL Plus and
connect to Oracle.

1) Originally I had version 0.8.8 of the xenpv drivers, but the system
was loading without /gplpv switch. When running the helpdesk setup it
would take several tries just to get past the oracle authentication
step. Once I would get past it, then it would complain about various
other issues.

2) With the help of another thread, I was able to get 0.8.8 xen drivers
removed. I started the setup and was able to get by the login without a
problem. I shutdown the machine and backed up that instance of my img

3) Next I installed 0.9.10 of the xen drivers. With these installed I
was able to get past the login on one shot. The setup continued as I
would expect. When it started doing the actual install, it bombed losing
connection to the database. I tried several times and it continues to
lose connection. 

4) Down the machine and bring up the version with no xenpv drivers. Last
night, in step two I had no problems with the login. Trying again this
morning, I again can't get past the login, although I can login fine
with SQL Plus.

5) Went back to my XenPV 0.9.10 version of the machine. Installed
wireshark and captured communication to database server. Also ran a
continuous ping from dom0 to domU. Now the installation went without a

I'm assuming the continuous ping made the difference, but it certainly
concerns me. Anyone have any ideas or suggestions for determining what
the problem really is? 


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