----------  Original message  ----------
Subject: Re: Using HD > 128GB in G4 Macs!
Date:    Wednesday, 06. April 2011
From:    Clark Martin <cm...@sonic.net>
To:      g3-5-list@googlegroups.com
> On Apr 5, 2011, at 10:22 PM, Valter Prahlad wrote:
…
> Activating the patch will make the remainder of your disk available to
> Disk Utility.

Sadly: no. Once a disk is partitioned to 128 GB, even with the LBA48 property 
Disk Utility refuses to /recalculate/ the disk size.

> You can always work on one partition without affecting
> others.

Yes.

> The chief danger in that script is that if you do an OF reset you
> will lose access to the part of the drive above 128Gb until you
> re-activate the script.

No danger if the first partition is the boot partition and is limited to the 
size if 128 GB. Just don't use Disk Utility on it and you cannot do any harm 
to the other partitions that won't be visible until you've reset the OF hack 
and stored it in NVRAM again.

> If you keep your current 128Gb partition that will
> still be available, just any new partition you create will not be
> available.

Exactly!

> You might want to create a small unused partition, one that
> spans the transition point then create t third partition that uses the
> remainder of the drive.  The "transition" partition insures that no part
> of the third partition is available to the OS if the OF patch is missing.

Worth thinking about, yes. If your fist partition IS exactly the 128 GB limit, 
you don't need this though.

> If part of it was accessible there is the possibility of it being
> corrupted.

Yes. In such a case: avoid using this partition until the OF hack is restored. 
The danger is of course that OS utilities such as spotlight will write some 
data to the disk without you recognizing it. It will propably span over to the 
first partition and corrupt its data. DANGEROUS!

> It's hard to say what the OS or any repair tools might do to a
> disk that is only partly visible, it may attempt to "repair" the problem.

Yes.


Cheers,
Andreas  aka  Mac User #330250

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