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[Xen-users] General Xen setup questions

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] General Xen setup questions
From: Anthony Valentine <avalentine@xxxxxxxxxxxxx>
Date: Wed, 03 May 2006 11:41:39 -0800
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Hello everyone!

I am setting up a couple of Xen servers for the first time and I have a couple of questions. Also, as this is my first attempt at using Xen, if you spot anything in my descriptions that looks to be a stupid thing to do, please let me know.

As an overview, I will be running 4-5 domU machines on 2 dom0's . The dom0 machines will be doing nothing but managing the domU machines. I will be using an iSCSI SAN for the storage on my domU machines. All OS's will be FC5.


I have not yet decided whether to put my domU OS's on physical partitions or on the SAN. I am leaning toward using the SAN, as that will give me the most flexibility and make live migrations easier. Thoughts?


Anyone know which will preform better: Mapping the iSCSI drives to dom0 and assigning them to each domU as a phy (such as /dev/sda) or mapping
them directly on each domU?


I will have 4GB of physical RAM per physical server. How much of that should I reserve for the dom0's, keeping in mind that they will not be running any apps of their own, just managing the domU's?


Thanks!

--
Anthony Valentine
Asst. I.T. Manager
Spenard Builders Supply


UNIX was not designed to stop you from doing stupid things, because that would also stop you from doing clever things.

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