xl driver bug-->geom mirror

OxY oxy at field.hu
Tue Dec 6 22:06:33 PST 2005

i found the real problem, it was not the xl driver, but the geom mirror..
if i try to write to an other disk, not in the main systems raid1, then 
download is ok, 10M/s...
then i tried to remove one disk from the raid1, and write on it..
the download is OK again...
when i sync the raid array it gives poor performance again 1M/s..
what's wrong?

----- Original Message ----- 
From: "OxY" <oxy at field.hu>
To: <freebsd-performance at freebsd.org>
Sent: Tuesday, December 06, 2005 9:45 PM
Subject: xl driver bug

> hi!
> i have some trouble with xl driver (3Com 905c-TX)  in 6.0-release..
> after i upgraded my 5.4 to 6.0 i realized that the incoming traffic
> has been dropped to 1M/s..however outgoing is still ok (7-9M/s)..
> i tried different protocols, with the same result..
> switched off every tcp tuning in sysctl.conf, then rebooted, still the 
> same..
> i saw that the xl interrupt jumps to 2500-5000 (systat -vmstat 1 ) while i 
> am
> downloading with 800-1000K/s (maximum..), but when i upload the interrupt 
> is
> around 800 with 8M/s speed..
> please gime me some advice, patch, anything :)
> thanks a lot!
>                        OxY
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