FreeBSD 5.3b7and poor ata performance

fandino fandino at ng.fadesa.es
Fri Oct 22 10:38:07 PDT 2004


Dag-Erling Smørgrav wrote:
> fandino <fandino at ng.fadesa.es> writes:
> 
>>yes, I run dd, bonnie++, bonnie and reports are very clear, there is
>>a problem with performance and the ata system (I think).
> 
> 
> There is no problem with the ATA subsystem in general.  I have no

in general?

> trouble getting 40 MBps with raw sequential reads on my laptop and 50
> MBps on my desktop (both running -CURRENT with INVARIANTS but no
> WITNESS, and both with fairly old disks).  Unfortunately, my AMD64 box
> is not online right now or I could give you the numbers for its brand-
> new SATA150 drive under 5.3 BETA7.
> 
> There may be problems with your particular hardware and / or software
> configuration, but you're not likely to get those solved by being so
> confrontational.

 From test my hardware is broken for FreeBSD only.





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