Re: xl driver bug-->geom mirror

"OxY" <oxy@xxxxxxxx> · Wed, 7 Dec 2005 07:06:26 +0100

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@xxxxxxxx>

To: <freebsd-performance@xxxxxxxxxxx>

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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Re: xl driver bug-->geom mirror

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