Re: [Beowulf] mysterious slow SATA on one machine

2010-03-29 Thread David Mathog
> > David Mathog wrote: > >Raw results from various experiments here: > > > > http://saf.bio.caltech.edu/pub/pickup/bonnie++.rtf > > http://saf.bio.caltech.edu/pub/pickup/sustained_write.rtf > > > > Some progress, see updated files above. And a step back... With the latency set to 22 on th

Re: [Beowulf] HP 10 GbE card use/warranty

2010-03-29 Thread Alex Chekholko
Hi Steve, I can report that I had the same problem. I have a bunch of NC510c cards in IBM X3650 servers. One broke, with the symptom that it would just hang any machine I put it into. Luckily (or with great foresight), I had previously ordered a spare to have on hand. At one point, the HP tech

[Beowulf] HP 10 GbE card use/warranty

2010-03-29 Thread Steve Cousins
I have a couple of 10 GbE cards from HP (NC510F, NetXen/QLogic) and I have been trying to get them to work in non-HP Linux systems. After failing to be able to comile/install the nx_nic drivers on Fedora 9 and 12 (it checks to see if kernel >= 2.6.27 and if so looks for net/8021q/vlan.h but ca

Re: [Beowulf] mysterious slow SATA on one machine

2010-03-29 Thread David Mathog
> David Mathog wrote: >Raw results from various experiments here: > > http://saf.bio.caltech.edu/pub/pickup/bonnie++.rtf > http://saf.bio.caltech.edu/pub/pickup/sustained_write.rtf > Some progress, see updated files above. lspci showed there were two devices on the bus where the Sil 3114 wa