2.4TB disk - MBR and GPT coexist?

Dan Nelson dnelson at allantgroup.com
Fri Jan 12 03:42:17 UTC 2007

In the last episode (Jan 11), Jo Rhett said:
> >On Thu, 11 Jan 2007 13:56:43 -0800 Jo Rhett <jrhett at svcolo.com> wrote:
> >>Thanks for the reply.  The problem is that I have a single 6-drive
> >>(550gb/ea) RAID-5 array.  If I split two disks off to make a RAID-1
> >>boot device, I'll lose 1TB of usable storage.
> On Jan 11, 2007, at 3:55 PM, Torfinn Ingolfsen wrote:
> >Hmm, why can't you just make your controller create two logical arrays
> >onto the one physical array? Doesnt the controller support this  
> >feature?
> Not any one that I've ever seen in commodity disks.  Yes, on big  
> fiber channel disk cabinets.  No to 6-8 drive raid controllers.

I've got ancient AMI Megaraid controllers (Dell PERC 2/Si cards) that
can put multiple logical drives on one RAID set, so I'm surprised that
a modern controller can't.

	Dan Nelson
	dnelson at allantgroup.com

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