[kernel-xen] UEFI hardware wanted

Colin Durrant colin at colins-it.co.uk
Fri Feb 6 19:23:53 AEDT 2015


Yes I had some major issues with UEFI. I got everything working but not on
the Xen kernel but I somehow got it all working on KVM qemu.

Are there any particular issues with using this environment?

Quick question as a side track. If you over allocate memory and processors
to your actual virtual machines, do this have an adverse performance
implication? I know if doesn¹t from a processor point as far as I am aware
but unlike citrix Xen server it lets you allocate as much memory as you
like per VM?

>From what I have discovered the IBM hardware we are using is all UEFI
based. Secondly, we have an IBM 3750 server and it didn¹t support Citrix
Xenserver 6.2 - we have to run 6.1 which I thought was a little odd.



On 06/02/2015 03:45, "Steven Haigh" <netwiz at crc.id.au> wrote:

>Hi all,
>If we like it or not, UEFI BIOS is the way things are heading. As Paulo
>recently posted to this list (and I believe Colin also), UEFI and my Xen
>packaging / kernel doesn't work with UEFI at all.
>Some systems can boot in legacy mode - which then will work - however
>this option won't be around for ever.
>I'm wondering if there would be anyone on this list that would consider
>sponsoring some UEFI hardware (even desktop hardware would be
>sufficient) to allow me to create a test environment for getting UEFI
>support into the Xen packages.
>Right now, my testing environment is a single Dell Poweredge 1950 that I
>just bought some RAM for - however none of my other hardware has a UEFI
>BIOS to test with.
>I'd also be after some recommendations for the collective wisdom of this
>list as to which UEFI mainboard brand / model to go for.
>I believe I'd need:
>1 x UEFI mainboard
>1 x CPU to suit above mainboard - Use an i5 CPU? i7? Xeon?
>RAM - 8Gb DDR3?
>1 x Case - Desktop case is fine.
>Any other suggestions? Thoughts?
>Steven Haigh
>Email: netwiz at crc.id.au
>Web: http://www.crc.id.au
>Phone: (03) 9001 6090 - 0412 935 897

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