<p>Xen is very nice, if a bit complex. It would be worth it to install and work with it in a lab, so as to understand it better.</p>
<p>The major issue is that there are published limitations of Xen that are, by and large, technical issues that would be ridiculously expensive to solve. This is one reason that, for example, one must (usually) use a C library that knows about Xen or has been somehow modified to work on Xen. The amount of work required for that, however, has pretty much dropped to nothing, as many distributions now work with Xen out of the box. </p>
<p>It has a steep-ish learning curve, but it is worth it. Even if you're only using it on a single system to provide the very useful abstraction of hardware or simple multiplexing of operating systems on said hardware. I have been using it for a couple of years now for my server here, and plan on adding another server that can participate in live VM migrations in order to add high availability and load balancing characteristics to my setup. </p>
<div class="gmail_quote">On Jul 13, 2012 10:40 AM, "Chuck Payne" <<a href="mailto:terrorpup@gmail.com">terrorpup@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Guys,<br>
<br>
Anyone using Citirix Xen? I just started a new job and they are using<br>
it as their Virtual Server, but I am seeing a lot of issues, before I<br>
go and recommend a change, I like to hear some feed back, but Pro and<br>
Con. I am a bit basis as I have use VMWare ESXi and KVM.<br>
<br>
Just so note some of the issues we had so far, lots of kernel panics<br>
with NFS. Virtual Machines being rebuild because of issues with the vm<br>
themselves, such as drives going bad. Not being able to reboot<br>
<br>
--<br>
Terror PUP a.k.a<br>
Chuck "PUP" Payne<br>
<br>
<a href="tel:%28678%29%20636-9678" value="+16786369678">(678) 636-9678</a><br>
-----------------------------------------<br>
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</blockquote></div>