According to the article in http://www.linuxmafia.com/faq/Hardware/sata.html 2.4.27 should have better support. In general, you might be better off sticking to the latest stable kernel.
If you are sensitive to tuning then you should also consider switching to 2.6.(7) at last, as it seems to be generally much much more efficient in all areas, not just in I/O.
Google around about "linux sata".
--Amos
(BTW - it would be nicer if you added a descriptive subject to your question).
Gershon Geva wrote:
Hello.
I am using a promise technology SATA 150 TX4 card which allows me to put up to 4 SATA drives
On my redhat 9 machine. I am using kernel 2.4.20.
Up till now I used IDE drives and tuned them using hdparm. Now, unfortunately, hdparm fails to
Tune the drives saying “operation not supported on SCSI disks”.
The thing is that hdparm does work on SATA drivers, but it appears this configuration apparently
poses a problem for hdparm since there is some kind of SCSI emulation involved.
The tuning is quite essential, since the system is very I/O demanding.
What can be done?
Thanks.
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