Re: [Beowulf] Re: 1000baseT NIC and PXE?

2010-03-17 Thread David Mathog
Joe Landman wrote: > Why not use a USB stick with gpxe.USB? > > This would provide the greatest flexibility. Not sure if these machines will boot from a USB key, never tried it. They are old enough that they might not. If it works, then yes, this would be a good option. Thanks, David Mathog

Re: [Beowulf] Re: 1000baseT NIC and PXE?

2010-03-17 Thread Joe Landman
Why not use a USB stick with gpxe.USB? This would provide the greatest flexibility. Please pardon brevity and typos ... Sent from my iPhone On Mar 17, 2010, at 3:55 PM, "David Mathog" wrote: Andrew Robbie wrote: Can I suggest you consult the rom-o-matic database maintained by the etherboot/

Re: [Beowulf] HPL as a learning experience

2010-03-17 Thread Carsten Aulbert
Hi On Tuesday 16 March 2010 18:00:07 Gus Correa wrote: > The problem is most likely mpich 1.2.7. > MPICH-1 is old and no longer maintained. > It is based on the P4 lower level libraries, which don't > seem to talk properly to current Linux kernels and/or > to current Ethernet card drivers. [...] >

[Beowulf] Re: 1000baseT NIC and PXE?

2010-03-17 Thread David Mathog
Andrew Robbie wrote: > Can I suggest you consult the rom-o-matic database maintained by the > etherboot/gPXE project? The raw list is at: > http://rom-o-matic.net/gpxe/gpxe-git/gpxe.git/src/bin/NIC > > For example, it shows that the DGE-530T is supported with the skge > driver. I did visit th

Re: [Beowulf] Q: IB message rate & large core counts (per node)?

2010-03-17 Thread Gilad Shainer
The EDR speed will be 25.78Gb/s per lane or 100Gb/s data rate for 4x port. It was not made public on the IBTA web site, probably will be updated in the comming days. Gilad - Original Message - From: beowulf-boun...@beowulf.org To: Douglas Eadline Cc: richard.wa...@comcast.net ; beowu

Re: [Beowulf] Q: IB message rate & large core counts (per node)?

2010-03-17 Thread David N. Lombard
On Mon, Mar 15, 2010 at 11:24:56AM -0700, Douglas Eadline wrote: > I have placed a copy of Richard's table on ClusterMonkey > in case you want an html view. > > http://www.clustermonkey.net//content/view/275/33/ > IBTA shows 20Gb/s for EDR:

Re: [Beowulf] 1000baseT NIC and PXE?

2010-03-17 Thread Andrew Robbie (Gmail)
On 16/03/2010, at 7:47 AM, David Mathog wrote: Sorry if this is a silly question, but do any of the inexpensive 1000baseT NICs support PXE boot? Can I suggest you consult the rom-o-matic database maintained by the etherboot/gPXE project? The raw list is at: http://rom-o-matic.net/gpxe/gpxe-

Re: [Beowulf] 1000baseT NIC and PXE?

2010-03-17 Thread Gregory Matthews
David Mathog wrote: Let's turn this question around a bit. Can anyone suggest a specific inexpensive 1000baseT card which provides PXE and is otherwise reliable and fast? That is, one that you have personally used to boot a machine into your cluster. Similarly, the names of any models that sho