[CentOS] using various IDE or SCSI hard drive interfaces with CentOS Linux questions

[Bryan J. Smith]

Les Mikesell <lesmikesell at gmail.com> wrote:
> Drivers tend to be per controller type and the complication
> is that the ones you need to boot are detected during the
> install process and included in the initrd that is built
> then.

The difference in this discussion is the fact that the ATA
driver and the SCSI subsystem differ greatly.  ATA is almost
always built statically in the stock kernel.  LibATA will
offer support for newer ATA services.

But even when it looks like you are configuring a(n) [S]ATA
controller, or making an initrd, you could be enabling a
driver that acts as a SCSI host adapter (and requires the
SCSI subsystem).  That's the exception to watch out for. 
Especially when an older kernel uses a SCSI block driver, and
a newer kernel now uses the statically built ATA.




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