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For example if i have 2 ibm Eserver 326 with dual xeon 2.8ghz each with
2 sata 200Gb drives. <br>
how many virtual machines can be configured on those to run a couple of
mail servers and some network monitoring like ntop/nagios<br>
possibly add domain hosting services on there also?<br>
Les Mikesell wrote:
<blockquote cite="mid:4B8E77EC.email@example.com" type="cite">
<pre wrap="">David Milholen wrote:
<pre wrap="">What are some min requirements for Hardware and what performance
differences are there in just running another pid for an app?
That question is way too general to answer and also depends a bit on what VM
approach (xen/kvm/vmware server, vmware esxi) you use. As a rule of thumb, I'd
expect to lose 10% in overall performance and much more than that from disk head
contention unless you plan the layout very carefully and spread over independent
drives. You can make some (perhaps more than that) back by overcommitting the
machines where the load is likely to be bursty and staggered and by having a lot
of RAM for better disk buffering.
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