Re: binary kernel drivers re. hpt370 and redhat
From: Samuel Flory (sflory_at_rackable.com)
Date: 08/28/03
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Date: Wed, 27 Aug 2003 17:22:33 -0700 To: Stephen Hemminger <shemminger@osdl.org>
Stephen Hemminger wrote:
>On Wed, 27 Aug 2003 18:40:30 -0400
>joe briggs <jbriggs@briggsmedia.com> wrote:
>
>
>
>>I have a client who has a raid controller currently supported under windows,
>>and now wants to support linux as a bootable device. Currently, some of
>>their trade secrets are contained in the driver as opposed to the controller
>>firmware, etc., so for now they wish to release a binary-only driver to
>>certain beta customers. (i.e., 1st stage of porting is similar functionality
>>as windows). Am I correct that in order to boot off of this device that the
>>driver would have to be statically linked in vs. a module which could be
>>distributed as a binary-only driver keyed to the kernel.revision of the
>>distribution's kernel? I would like to avoid any flames and ask that all
>>recognize that some hardware providers are having to ease into the pond a toe
>>at a time. Any constructive thoughts, suggestions, references, tips, etc.
>>highly appreciated.
>>
>>
>
>The driver could be a module and live in initramfs. If you can
>get the initial Linux image and initramfs loaded, you would be okay.
>
Rather an initrd under Linux. Note that there is a partial source
driver, and RH driver's disks here: (look under raid IC with the right
chipset for partial source.)
http://www.highpoint-tech.com/usaindex.htm
>
>The problem is more in the bootloader (LILO or GRUB) would not no how
>to do raid. The /boot partition would have to be on a non-raid partition.
>Same problem if driver is statically linked in the kernel.
>
>
If you are doing raid 1. Lilo should work. It doesn't really matter
if lilo isn't aware of of the data on the other drive. Each has a full
copy of everything.
PS- Newer linux kernels should be able to support the "raid" controller
as a normal ide controller. You could then just configure linux
software raid.
-- Once you have their hardware. Never give it back. (The First Rule of Hardware Acquisition) Sam Flory <sflory@rackable.com> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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