[Beowulf] specific motherboard???

2007-12-06 Thread amjad ali
Hello all, I want to bulid a beowulf cluster of 16+1 nodes with each node having one Intel Core2Duo (2.66 GHz, FSB 1333MHz, 4MB L2) processor and GiGE as the interconnect. On this cluster, I would run my PETSc based CFD/FEM codes (REQURING VERY FAST MEMORY/high memory bandwidth). Please help me o

[Beowulf] example BlueGene fortran MPI program

2007-12-06 Thread [EMAIL PROTECTED]
Dear All, I am coding and running fortran MPI program under our local cluster and national Beowulf cluster. The code runs happily in these environment with intel fortran compiler. I now have to port my code to IBM BlueGene. Initially hello-world program worked. Then our real code is compiled wit

Re: [Beowulf] Re: NFS Read Errors

2007-12-06 Thread Bogdan Costescu
On Thu, 6 Dec 2007, Joe Landman wrote: I think ethtool was a post 2.4 kernel utility. As I remember, there was an miitool that gave something roughly like that in functionality. I just looked in the pristine 2.4.20 source and found 8139cp with references to the 8169 chip used on the Netgear

Re: [Beowulf] Re: NFS Read Errors

2007-12-06 Thread Joe Landman
Bogdan Costescu wrote: On Tue, 4 Dec 2007, Joe Landman wrote: a) bad driver b) bad NIC ... or a combination of these which translates into RX and/or TX checksumming offload not working properly; the driver then lies to the upper levels and the error is passed through. I don't reme

Re: [Beowulf] Re: NFS Read Errors

2007-12-06 Thread Bogdan Costescu
On Tue, 4 Dec 2007, Joe Landman wrote: a) bad driver b) bad NIC ... or a combination of these which translates into RX and/or TX checksumming offload not working properly; the driver then lies to the upper levels and the error is passed through. I don't remember if this wa