Adaptec 2120 performance very poor - What now?

[Matt Hartzell]

Matt Hartzell wrote:

> I am experiencing very poor performance on an Adaptec 2120, and I can 
> see that (now) the 2120 is not a good choice for a highly used ftp 
> server.
>
> Now that I have about 500G of data stored on it I really can't back it 
> up and rebuild it using some other controller.
>
> I know the 2200 can be swapped out for the 2120 with out rebuilding 
> the array, but in my testing the 2200 is just as poor when witting to 
> reading / writing to the same channel.
>
> What other products would provide faster performance under FreeBSD AND 
> support a seamless (no rebuild/reinstall/restore) migration?
>
> Thanks in advance for any and all help.
>
> _______________________________________________
> freebsd-scsi at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-scsi
> To unsubscribe, send any mail to "freebsd-scsi-unsubscribe at freebsd.org"
>
I did some further testing after double checking the config via aaccli

I could have sworn I had set the write cache on and the read cache off.  
With those settings changed, the 2200s seems to provide adequate 
performance.

I am still curious if there are any products out there that could 
provide better performance.