Re: [Beowulf] copying data between clusters

2010-03-06 Thread Scott Beardsley
> I'd like to paralyze that across multiple nodes to drive the aggregate up > > I was hoping someone would pop up say, hey use this magical piece of > software. (of which im unable to locate).. Sounds like what we are doing with hadoop and gridftp-hdfs for our LHC cluster. Basically you would ru

Re: [Beowulf] copying data between clusters

2010-03-06 Thread David Simas
On Fri, Mar 05, 2010 at 12:32:37PM -0500, Michael Di Domenico wrote: > As i expect from the smartest sysadmins on the planet, everyone has > over analyzed the issue... :) > > lets see if i can clarify > > assuming there are two clusters - clusterA and clusterB > > Each cluster is 32nodes and has

Re: [Beowulf] copying data between clusters

2010-03-06 Thread Andrew Fitz Gibbon
On Mar 5, 2010, at 11:32 AM, Michael Di Domenico wrote: I was hoping someone would pop up say, hey use this magical piece of software. (of which im unable to locate).. You might want to take a look at GridFTP from Globus (http:// globus.org). Among other things, it has support for parallel d

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

2010-03-06 Thread Greg Lindahl
On Fri, Feb 26, 2010 at 01:20:49PM -0500, Lawrence Stewart wrote: > Personally, I believe our thinking about interconnects has been > poisoned by thinking that NICs are I/O devices. We would be better > off if they were coprocessors. Threads should be able to send > messages by writing to regist

[Beowulf] best sophomore-level FPGA reference?

2010-03-06 Thread Nathan Moore
Hi All, I regularly teach a sophomore/junior level course on digital circuits. I've recently started paying attention to PLD/FPGA hardware, particularly Actel's bargain-basement igloo-nano development board, http://www.actel.com/products/hardware/devkits_boards/igloonano_starter.aspx, which is of