the distro kunundrum...

[jarod-ajLrJawYSntWk0Htik3J/w at public.gmane.org (Jarod Wilson)]

On Nov 16, 2009, at 12:29 PM, Dan Ritter wrote:

> On Mon, Nov 16, 2009 at 12:22:55PM -0500, Stephen Adler wrote:
>> Well... so I've boxed myself in... At work I ordered a Dell (I had no 
>> choice really, the IT guys only buy Dells) to run RHEL for a backup 
>> system I'm putting together. After way to much time fussing around, I 
>> finally got the damn thing up and running. I then go to test the network 
>> and the network performance is very bad. So I mess around, putting in 
>> different nic cards brands only to find that the problem doesn't go way. 
>> Next I burn a fedora 11 live CD, fire it up and lo and behold, I get 
>> close to 100Mbytes/sec data rate over the nic, as what I would expect.
>> 
>> So now I have a choice of wiping off RHEL and putting on fedora or 
>> somehow getting a newer kernel installed... which in the end breaks the 
>> model of getting enterprise software for an enterprise application.... 
>> Putting a home grown not RHEL supported kernel on RHEL basically voids 
>> the warenty sort to speak....
>> 
>> 
>> any words of advice? I'm kind of blowing off steam right now...
> 
> Perhaps something besides "the whole kernel" is causing the
> issue? I would check the driver versions for the NIC you are
> using (RHEL vs Fedora) and see if RHEL is doing something odd
> with sysctl parameters or a firewall.

Never hurts to give a quick spin through bugzilla.redhat.com as well, see if maybe there's a bugzilla opened with a patch queued up. You didn't mention the NIC model and/or driver. Mention it, and maybe someone could take a peek and see what's in the queue in the way of network driver patches that could be relevant...

-- 
Jarod Wilson
jarod-ajLrJawYSntWk0Htik3J/w at public.gmane.org