Re: Raid autodetection

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On Wed, 4 Dec 2002 danci@agenda.si wrote:

> On Tue, 3 Dec 2002, Steven Dake wrote:
>
> > You can set a RAID to autostart by setting its partition id to 0xfd
> > (RAID autostart) with the fdisk utility.
>
> I know that, it's what I do for last three years. But recently, I've
> been trying to use modular kernels with SCSI drivers as modules.
>
> As the inital kernel raid autodetection happens BEFORE initrd loads the
> SCSI drivers, it won't work.
>

You have to build your own initrd which loads the correct modules.  I
thought SuSE has its own procedures to do it.  I thought you have to add
the modules somewhere in /etc/rc.config and run mkinitrd.  Just check the
documentation.

> > You could also use an initrd
> > to scan the configuration file and start the RAID arrays.
> >
> > The second is what most distributions do such as RedHat.
>
> Found out that SuSE has another way - they add a 'raidautorun' utility to
> raidtools, which forces the kernel to re-autodetect raid stuff. It can be
> used in a initrd, AFTER loading the SCSI driver.
>
> With this, it's probably even possible to have RAID compiled as modules.
>
> Thanks, D.
>
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------------------------------------------------------------------------
Wim VINCKIER
Wasstraat 38                                          Wim-Raid@tisnix.be
B-9000  Gent                                               ICQ 100545109
------------------------------------------------------------------------
'Windows 98 or better required' said the box... so I installed linux

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