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SubjectRe: RAID between ide and scsi problem
Oops,

some info about the system might be usefull: redhat 7.2, with
kernel 2.4.9-31. The scsi controller is an onboard adaptec
controlle.

-Marcel

On Sat, Apr 13, 2002 at 01:00:50PM +0200, Marcel J.E. Mol wrote:
> Hi,
>
> I have a problem booting a raid pair between a ide and scsi partitions.
>
> When booting the system the md driver comes in and tells me it can find
> for example the hda2 device but not the corresponding sda2 device
> and as a consequence continues in degraded mode. If I'm correct this
> happens just after the hda partitons are scanned.
> Later on the scsi driver comes in to play and finds the sda device.
> After booting the systems runs in degraded mode, but I see the scsi disk.
> Using raidhotadd I can bring the md to a normal state, but at the
> next reboot the same problem occurs and the system is started in degraded
> mode again.
>
> It looks as linux finds the ide disk (and the raid partions on it), runs
> the md driver that figures the pair needs a partition on a different
> (scsi) drive but this drive is not yet detected as the scsi init code
> has not run yet...
>
> Building raid on two ide disks works just fine as does running it on
> two scsi disks.
>
> Is a raid combination on ide/scsi supported?
>
> PS: shouldn't the kernel detect afterwards that the scsi drive becomes
> available and start syncing the disks?
>
> -Marcel
> --
> ======-------- Marcel J.E. Mol MESA Consulting B.V.
> =======--------- ph. +31-(0)6-54724868 P.O. Box 112
> =======--------- marcel@mesa.nl 2630 AC Nootdorp
> __==== www.mesa.nl ---____U_n_i_x______I_n_t_e_r_n_e_t____ The Netherlands ____
> They couldn't think of a number, Linux user 1148 -- counter.li.org
> so they gave me a name! -- Rupert Hine -- www.ruperthine.com

--
======-------- Marcel J.E. Mol MESA Consulting B.V.
=======--------- ph. +31-(0)6-54724868 P.O. Box 112
=======--------- marcel@mesa.nl 2630 AC Nootdorp
__==== www.mesa.nl ---____U_n_i_x______I_n_t_e_r_n_e_t____ The Netherlands ____
They couldn't think of a number, Linux user 1148 -- counter.li.org
so they gave me a name! -- Rupert Hine -- www.ruperthine.com
-
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