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DateMon, 03 Oct 2005 15:54:47 -0600
Fromjmerkey <>
SubjectRe: Linux SATA S.M.A.R.T. and SLEEP?
Bill Davidsen wrote:

> jmerkey wrote:
>
>>
>> Someone needs to fix SATA drive ordering in the kernel so it matches
>> GRUBs ordering, or perhaps GRUB needs fixing. I have run into
>> several situation where hd0,hd1 are in reverse order from what is
>> reported when the Intel PII drivers load from the kernel, making in
>> necessary to swap the two values in the grub config.
>
>
> There's more to it than that. With PATA drives I see issues with order
> as well, and they date back to the Redhat 7.x days, where the install
> chose one order for the scsi drivers and the boot chose another. With
> IDE the order in which drivers are loaded affects the drive naming.
>
> It would be great to have some way to match drives with names, but
> there doesn't seem to be a single solution for PATA, SATA, SCSI and
> hotplug. Something like mounts using UUID of the filesystem, but for
> the drives.
>
> I do use pluggable drives for backup, load modules for various
> controllers on demand, etc, so I'm aware that the most reliable
> solutions seem to involve either reduced flexibility, human
> intervention at boot, or both.

Have the IDE and SATA driver layer check the BIOS ordering and preserve
it during registration of the IDE and SATA devices for boot.

Jeff
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