On Fri, 26 Sep 2003, Taylor, ForrestX wrote: > Jeremy Katz wrote: > > On Fri, 2003-09-26 at 03:26, Holger Kiehl wrote: > > > >>What do you mean by latest updated kernels? Those from redhat or kernel.org? > >>Those from redhat (even severn) do not have the support for Enhanced SATA > >>mode. Only the new enterprise version has support. You need kernel > >>2.4.22-ac1 or higher or take a 2.4.2[23] and patch it with libata. > >>libata makes the SATA disk look like a SCSI disk. > > > > > > The rawhide kernel (which is also in Severn test2) also has support via > > the same patch as what's in the RHEL beta. One of my test boxes these > > days only has a SATA disk operating in the enhanced mode. > > > > Jeremy > > What kind of patches do the newer Red Hat kernels have? It recognizes > the disk in enhanced mode--is it just not using enhanced mode (i.e., > reading/writing faster)? > They use the libata patches which you can find at: http://www.??.kernel.org/pub/linux/kernel/people/jgarzik/libata/ Actually plain 2.4.22 work as well. They have SATA support in the IDE layer, but the problem with this is that it sometimes locks up. The libata work without any problems, I have made nearly 30 installations and have experienced no problems. Holger
