[Beowulf] Booting fom a SAN disk using FC-over-Iinfiniband

Chris Samuel csamuel at vpac.org
Tue Nov 1 15:30:00 PST 2005

On Fri, 28 Oct 2005 08:34 pm, Paulo Afonso Lopes wrote:

> a) Does anybody have any experience on booting an OS (e.g. Linux, AIX)
> that is installed on a LUN in a disk array and the is on a Fibre Channel
> SAN?

I'm booting Ubuntu AMD64 (5.04) on a Dell box from a directly connected Apple 
XServe RAID using the Apple (rebadged LSI) FC copper card successfully.  It's 
a standalone machine rather than anything to do with a cluster though.

The disks appear as normal SCSI devices and it all just works.

> b) And what if the host (an IBM JS20 blade) we want to boot is not
> directly FC-attached to the SAN, but is Infiniband attached to a IB
> gateway (a TopSpin 90 with the FC gateway module) and the IB switch is
> connected to an FC switch (8 port Brocade)? Is it still possible to
> "remote" boot it?

Erm, no idea there!  We don't have any IB gear..

 Christopher Samuel - (03)9925 4751 - VPAC Deputy Systems Manager
 Victorian Partnership for Advanced Computing http://www.vpac.org/
 Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia

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