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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Mac OS X > Cannot Boot from Bootable Backup on External Drive

Cannot Boot from Bootable Backup on External Drive
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Join Date: Nov 2004
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Jun 16, 2005, 11:26 PM
 
Greetings Gang,

Hopefully I am just "MAC-Ignorant" and the solution to my problem is simple. Eventhough I have been using the MAC for a little over two months, I am still learning the ropes and how things work.

I am having trouble creating bootable backups of my internal hard-drive to my external firewire drive. Initially, I had a USB drive and remember reading somewhere that Tiger will not book from an external USB drive, instead, I would need a Firewire drive for this. Therefore, I went and exchanged my USB drive for a Firewire drive but I am still having the same problem.

Here is the situation, I have tried using SuperDuper and other backup software with similar results. The "full" backup goes well, after the backup is complete the external drives shows up under Startup-Disk module in System Preference as a bootable volume, but when I go to book from it I get nothing. If I select the external drive from within Start-up Disk and click Restart I get a grey screen with no activity. If I shut-down the computer and boot while pressing the Option key I only see the internal drive as an option to boot from, the external drive spins to no end (perhaps its trying to mount) and the watch on the grey screen stays with hands spinning. Nothing happens.

More information... the external drive to which I have made the backup contains two partitions, one has the full backup (bootable supposedly - according to Start-up Disk) and the other partition is for scratch purposes. This bootable backup partition I speak of is the one that shows up under Start-up Disk module under System Preferences.

I am at a loss and would love to learn how I can create bootable backups of my harddrive to this external drive. From what I read on various boards its not supposed to be very difficult. Is there a trick or something simple that I might be missing?

Thanks in advance.
Ken.
     
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Join Date: Mar 2004
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Jun 17, 2005, 01:27 AM
 
Reformat the external and try again.

If on Panther, could try Carbon Copy Cloner and make a bootable clone.

If on Tiger, there are backups out there but CCC is still working the kinks out.

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