Re: Why can't I use an IA64 as a boot server for an Alpha?
- From: Malcolm Dunnett <nothome@xxxxxxxxxxxxxxxxx>
- Date: Mon, 17 Dec 2007 09:06:29 -0800
Bob Koehler wrote:
That's all I was really getting at with my original post. I can't
Cross-architecture booting was not supported when Alphas first came
out, but support was added after there was time for sufficient
testing.
see any technical reason it shouldn't work just fine and I was wondering
if anyone had any insights into hidden showstoppers or if it's just a
case of "we haven't tested that sufficiently yet".
I don't see anything in the Sept 2007 Roadmap about cross-architecture booting. It seems to focus on mixed architecture clusters via shared FC storage. That's what I normally do, but I'm trying to build a smaller version of a mixed architecture cluster for a satellite campus. Rather than using an MSA array I want to use a
Smart Array controller in the IA64 box (rx2600) which will support several arrays using disks in a 4200 series shelf. The Alpha server I want to use is a DS10L. The two systems will communicate via GB ethernet (which testing indicates offers more than adequate performance even with MSCP serving all the DS10L disk access over the ethernet).
I could use an ATA drive in the DS10L, but performance of these in the DS10L is fairly poor and I wouldn't have any redundancy for the system disk.
I guess I need to do a bit more testing to decided between the "supported but slow" local ATA disk vs the "unsupported but fast" network served disk.
.
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