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Re: Adaptec ATA Raid 1200A upgrade



On Sat, 2007-09-22 at 07:36 -0500, Dave Ihnat wrote:
> Hmph.  This post is more in frustration than the expectation that someone
> has an answer.
> 
> I've a Linux box that's been running an Adaptec ATA 1200A for a long
> time--that's a cheap IDE RAID controller.  Long enough that the disks
> are 120Gb drives.
> 
> One failed (and the controller did what it was supposed to do--griped,
> but kept the system up), so I'd like to get it back up and running with
> the existing Linux drive.  However, the smallest drive I can find is
> a 250Gb.  Cheap enough to experiment with, I figure.
> 
> SO.  First try--use a Diskology DiskJockey to make an exact copy of the
> remaining good 120Gb drive to a new 250Gb drive.  No joy, no boot.
> 
> OK.  Put a good, empty 250Gb drive in the system.  The Adaptec recognizes
> it, offers to copy the good smaller drive to the larger drive.  No joy--
> it tries for a few seconds, then says the copy failed.  (Note that
> Adaptec docs, while recommending drives of equivalent size and speed,
> does say it should be able to do this.)
> 
> At this point, I'm stymied in simply using the ATA1200A to recover itself.
> I plan, today, to put the old 120Gb drive and a new 250Gb drive in a
> separate Fedora system and try a 'dd', then try to use the new drive
> as the remaining working RAID drive.  (Glad I didn't start out with the
> 500Gb drives I wanted.)
> 
> Anyone else ever tried to upgrade this controller to larger drives without
> a full system reload?
> 
> Cheers,
> --
> 	Dave Ihnat
> 	President, DMINET Consulting, Inc.
> 	dihnat dminet com
> 

Hmmm...The controller itself failed when copying from the small disk to
the large disk?

Sean


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