[Beowulf] PXE boot with X7DWT-INF IB onboard card

Jesse Becker beckerjes at mail.nih.gov
Tue Nov 13 09:29:19 PST 2012

On Mon, Nov 12, 2012 at 09:52:48AM -0500, Hearns, John wrote:
>>  * if PXE server with Infiniband is impossible, then it is OK with a
>> gigabyte connection? Or should we go for 16 disks for these 16 clients
>booting is rare and almost trivial, IO-wise.  there's no reason you
>shouldn't be able to boot several hundred clients over Gb.
>I never implemented it, but when I was with Streamline a colleague and I cooked up an idea
>to image large hard drive based clusters using  dd  and netcat  - you can dd the image of a hard drive,
>and use netcat to send that over the network to a fresh node. There is a multicast option in netcat - ie
>you can send out a stream and have multiple listeners.
>As I said we never implemented it - not really needed.


I used it several years ago, and it worked fine.

>Also as an aside SGI ICE clusters use Bittorrent to ship images around (or at least did when they used Tempo).

As does the Rocks cluster distribution (and derivatives), IIRC.

Jesse Becker
NHGRI Linux support (Digicon Contractor)

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