Re: [Xen-users] Dom0 issue

["Grinberg, Vitaly" <Vitaly.Grinberg@xxxxxxxxxxxx>]

If it is correct, the Dom0 which is pinned to this CPU is not available.


-----Original Message-----
From: Fajar A. Nugraha [mailto:list@xxxxxxxxx] 
Sent: Thursday, January 12, 2012 5:33 PM
To: Grinberg, Vitaly
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Dom0 issue

On Fri, Jan 13, 2012 at 4:36 AM, Grinberg, Vitaly
<Vitaly.Grinberg@xxxxxxxxxxxx> wrote:
>
> We are running HP ProLiant DL580 G7 E7540 with four sockets.
>
> The Dom0 VCPU0 is pinned to the CPU 0 on the socket 0.
>
> What is going to happen if socket 0 starts malfunctioning?

Your server will be dead. Or at least crashed and needs to be
restarted, and then (in the case of multi-socket servers) it would
have less available CPU than before.

Regardless of whether it's using xen, windows, linux, or whatever,
there are no x86 server that I know of that can keep functioning in
the case of a failed cpu socket.

-- 
Fajar

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