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-   -   new SD clone not in start-up disks (https://www.shirt-pocket.com/forums/showthread.php?t=5665)

ccaajj@mac.com 09-04-2009 05:21 PM

new SD clone not in start-up disks
 
Hi all,

About to upgrade to Snow Leopard, so I duped my start up disk to a USB2 disk in case Snow Leopard goes haywire.

All of the SD status indicators, including Make Bootable, were green at the end of the process.

But when I restarted (for good luck!) and plugged in the USB2 disk, it doesn't appear in the start up disk window.

Any ideas?

FWIW it was originally a MSDOS FAT disk that I reformatted to HFS+ journaled using Disk Tools.

Also, Disk Tools shows the disk partition map scheme as master boot record...

I figured SD would take care of all the permissions and other issues so the disk would be a valid start up disk, am I missing something?

Thanks in advance!

-Chris

dnanian 09-04-2009 05:27 PM

I'm sure it's not partitioned properly: it needs to be repartitioned as GUID. See the Frequently Asked Questions -- Help > Frequently Asked Questions inside SuperDuper.

ccaajj@mac.com 09-04-2009 05:49 PM

Excellent, thanks for the quick response!

So, from the FAQ, HFS+ is an overlay on MBR, which is not bootable, gotcha.

I don't have an actual disk formatting utility, just Apple's Disk Utility.

Do any of the DU options...

http://ccaajj.net/Picture1.gif


...use APM or GUID as the underlying partition scheme? GUID is really all I need, running an Intel Mac.

Thanks again!

-Chris

dnanian 09-04-2009 05:50 PM

You need to go to the partition tab and repartition. Click Options in there to choose the partition scheme.

ccaajj@mac.com 09-04-2009 05:56 PM

Perfect, I hadn't noticed the Options button.

Thank you VERY MUCH for probably the best customer support experience I've had in some 15 years of dealing with Mac tech issues!

Have a great long Labor Day weekend,

-Chris


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