Nicholas
I know that somebody told me that there's a software somewhere on the
internet that enabled DCA on Dell as they do not support it on BIOS.
Please follow this link http://timetobleed.com/enabling-bios-options-on-a-live-server-with-no-rebooting/
that explains how to do it.
Cheers Luca
On Oct 7, 2009, at 8:48 PM, Ritter, Nicholas wrote:
I should make one clarification:
There is no DCA setting in the BIOS, just a generic enable/disable for
IOAT DMA Engine, hence the call to Dell.
Nick
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Ritter,
Nicholas
Sent: Wednesday, October 07, 2009 1:47 PM
To: [email protected]
Subject: Re: [Ntop-misc] Recommended Kernel version for pf_ring and
TNAPI
Beyers and Craig-
I can test it on a number of servers, but I know it does not fully
work
on the Dell 2950 III series. My experience has been that the drivers
compile, but you will see a message about DCA being disabled in the
BIOS. When I enabled TNAPI, I did see multiple queues, but errors are
flagged for a reason, so I did not fully trust TNAPI on it.
I took the IOAT DMA/DCA issue up with Dell Support, but they were of
no
use and the error remains. I attempted to compile the latest IOAT
dirvers from Intel, but they did not compile on the OS, so I stopped
working on the issue. I have a wide range of Dell server, I run CentOS
5.3 on them.
Recently I started investing in SuperMicro-bases systems from Xi
Systems. The Xi Systems units are cheaper and work far better with
Linux
and various Linux based apps. Specifically, I have tested LinuxPPS
(PPS/GPS NTP servers), TNAPI, and TPROXY/Squid. I the SuperMicro
systems, I run CentOS and Debian.
Hope the this info helps.
Nick
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