Re: listing drives attached to a particular controller

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: [email protected] [mailto:ataraid-list-
> >[email protected]] On Behalf Of Gaston, Jason D
> >Sent: Monday, June 11, 2007 2:31 PM
> >To: [email protected]; 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
> >
> >_______________________________________________
> >Ataraid-list mailing list
> >[email protected]
> >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 ***

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Storage Development                               56242 Marienrachdorf
                                                  Germany
[email protected]                            PHONE +49  171 7803392
                                                  FAX   +49 2626 924446
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-