[Xen-users] The death of XEN by Novell

["Venefax" <venefax@xxxxxxxxx>]

Subject: The death of XEN by Novell (case number 10406546031)

According to Novell, Xen has a flaw that in fact means it is useless. I have a 
single supported system with SLES SP2, where I have 3 Windows VM's and 5 Linux 
VM's. In each of the Windows VM's I have 8 Virtual CPU's, because I have a 
vital SQL Server installed where my company runs all its business. The data 
comes precisely from the Linux virtual machines, and having the database "right 
there" has proven extremely efficient. But all my three Windows VM's crashed 
simultaneously yesterday and I lost two hours of business. I am using of course 
the right Novell drivers, etc., every piece of the puzzle in place. Novell 
already checked that. The engineers showed me a technical note that says that 
having more than one Virtual CPU in a Windows VM leads to crashes. But then we 
cannot have any windows VM at all, hello!!! This means that the $35.000 box 
that I bought is the wrong box, because now I need to remove my windows VM and 
create a separate windows installation, and order more hardware, spend more 
money. It means that XEN is useless, because if it only can virtualize Linux, 
actually Virtuozzo (Open VZ) has a lot less overhead, far less. The beauty of 
Xen is that it is supposed to virtualize Windows and Linux together. Now, that 
dream is gone. In case somebody wants to look at my Novell case number, it is 
10406546031




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