listing drives attached to a particular controller
Heinz Mauelshagen
mauelshagen at redhat.com
Wed Jun 13 10:03:26 UTC 2007
On Tue, Jun 12, 2007 at 02:53:42PM -0700, Gaston, Jason D wrote:
> My thinking is that we should allow a user to select any drives they
> want when creating an array, even if they are on different controllers.
> If someone wants to limit the drive choices, they could write a higher
> level UI application to do this checking and limit end user choices;
> which would then pass these commands to dmraid.
>
> Yes/No?
Yes, dmraid should stay device/controller/path/... agnostic for the sake
of maximum flexibility to pick drives or move them around between interconnects.
Heinz
>
> Thanks,
>
> Jason
>
>
>
>
> >-----Original Message-----
> >From: ataraid-list-bounces at redhat.com [mailto:ataraid-list-
> >bounces at redhat.com] On Behalf Of Gaston, Jason D
> >Sent: Monday, June 11, 2007 2:31 PM
> >To: mauelshagen at redhat.com; ATARAID (eg, Promise Fasttrak, Highpoint
> 370)
> >related discussions
> >Subject: listing drives attached to a particular controller
> >
> >How would you go about listing the hard drives attached to a particular
> >controller? For example, say you have a SCSI controller card w/ drives
> >and an onboard SATA RAID controller in your system. In the future,
> >dmraid will have the ability to create a RAID array from the command
> >line. You may want to only add drives to the array that are attached
> to
> >the same controller. Otherwise, when the system boots, the RAID option
> >ROM may display the RAID array as broken, as it will only see the
> drives
> >attached to the single controller.
> >
> >Should this functionally be added to the dmraid utility? Should dmraid
> >block or warn about using block devices that are attached to different
> >controllers?
> >
> >Thanks,
> >
> >Jason
> >
> >_______________________________________________
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> >Ataraid-list at redhat.com
> >https://www.redhat.com/mailman/listinfo/ataraid-list
--
Regards,
Heinz -- The LVM Guy --
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
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Heinz Mauelshagen Red Hat GmbH
Consulting Development Engineer Am Sonnenhang 11
Storage Development 56242 Marienrachdorf
Germany
Mauelshagen at RedHat.com PHONE +49 171 7803392
FAX +49 2626 924446
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