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-   -   PROBLEM: Backup copy won't boot computer (http://www.shirt-pocket.com/forums/showthread.php?t=367)

stevea 05-12-2005 05:47 PM

PROBLEM: Backup copy won't boot computer
 
Copied startup disk (not current startup disk) containing OS X and OS 9.

OS X and OS 9 on the backup copy appear in System Preferences:Startup Disk, but they will not startup the computer.

SuperDuper 1.5.5 (v74)
OS X 10.3.9
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dnanian 05-12-2005 05:55 PM

OK, Steve. Please make sure the drive is attached, and send a System Profiler report to support. (Generate it by running System Profiler, and choosing File | Save. Save to XML, then email in with the info above.)

stevea 05-12-2005 06:05 PM

Can you be more specific about info you are looking for?

I would like to help, but don't want to send complete profile.
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dnanian 05-12-2005 06:17 PM

Might I ask why? There's nothing especially troublesome in there.

stevea 05-12-2005 06:20 PM

I don't wish to share the information, that's all.
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dnanian 05-12-2005 06:31 PM

Well, it's difficult for me to diagnose this without most of the information in the report.

At the very least, I need a full list of your FireWire, USB and ATA devices -- in fact, all the hardware parts are pretty much required.

I'd also need a list of all extensions and installed software.

Finally, your System and Console logs.

If you wish to bundle those up outside a report and send that in, that'll be fine. But, without that, it's very hard for me to determine the potential causes for this kind of problem.

stevea 05-12-2005 06:40 PM

Do you have any insight into why a backup copy might not boot?

Really, I was hoping for some suggestions or known problems that might solve the problem or be ruled out.
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dnanian 05-12-2005 06:42 PM

Yes. It's possible you have an incompatible enclosure, or software that runs at startup that's having trouble running on a different volume than the original.

Have you tried installing a basic OSX installation on this drive, and booting from it?

stevea 05-12-2005 06:55 PM

Quote:

Originally Posted by dnanian
Yes. It's possible you have an incompatible enclosure, or software that runs at startup that's having trouble running on a different volume than the original.

Have you tried installing a basic OSX installation on this drive, and booting from it?

Well, I had hoped making a backup copy would have been sufficient, so this would not be necessary (as SuperDuper is advertised)... :mad:

But, your questions/suggestions are helpful... the backup copy is on an ATA card. The ATA card supports startup, though. But, the drive is 250GB, and that may not be supported to startup on my Mac (G4 Quicksilver), because it has a 128GB drive limit on its built-in ATA bus and (afaik) firmware. (The ATA card and its driver extension overcome the limit, but perhaps they must be loaded first.)

I can move the drive to firewire and see if that helps. But, assuming no other problems, it looks like I'm dealing with hardware limitations of my Mac, not a problem with SuperDuper here.
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dnanian 05-12-2005 07:04 PM

Well, we can only do so much here, Steve, given the variations in hardware and software present on the Macintosh. I don't think we deserve your anger, however.

Anyway, please do let me know what you discover with your particular setup. If this is something we should add to a FAQ, I'm happy to do so -- or, at least, get the information documented here in the thread so others in a similar situation can benefit from it.

stevea 05-12-2005 07:08 PM

Quote:

Originally Posted by dnanian
Well, we can only do so much here, Steve, given the variations in hardware and software present on the Macintosh. I don't think we deserve your anger, however.

I'm with you, the anger is directed at the situation only... :eek:

I thought I made it clear the problem seemed not to be SuperDuper here!

Thanks for the help to troubleshoot this! :)
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dnanian 05-12-2005 07:13 PM

No problem... good luck running it down.

If you test against FireWire, make sure your FireWire drive is boot-supported too. Some aren't -- most recent LaCie, OWC and WiebeTech are (though always make sure you have the most recent firmware)...

stevea 05-12-2005 08:09 PM

The backup copy starts up on firewire in OS X with no problems... but doesn't startup in OS 9.

This is probably also a hardware limitation, with OS 9 and my Mac.

here's apple technote relating to hard drives- it's hard to find unless you know it exists. the other info about startup and workarounds is scattered in different places (such as peripheral vendor support pages, etc.)

http://docs.info.apple.com/article.html?artnum=86178
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dnanian 05-12-2005 08:15 PM

Amazing that it wasn't that long ago, Steve. The MDD G4's were the last of that line. Wow...

Anyway, thanks. Glad it came up OK on FireWire!

stevea 05-13-2005 04:28 AM

more info:

OS X: after starting up the backup copy (250GB) on firewire, I moved it back to the ATA card, and it now starts up correctly there, as well!

OS 9: the backup copy still will not boot in OS 9 on firewire or the ATA card. DiskWarrior 3.0.3 reports that there is no blessed System Folder. Although DiskWarrior prompts to assign blessed folder, it does not solve the problem. However, when the disk is mounted in 9, the System Folder displays the icon indicating that it is blessed. There may be a problem with DiskWarrior here, also.


Note: When the backup copy is copied to another disk (120GB, not 250GB), the new copy behaves normally and boots in OS X or OS 9 with no problems. (The new copy was made after the backup copy was booted on firewire, however.)

These issues may still be somewhat hardware-specific due to using a large drive, but the OS X anomalies seem to indicate there are other problems that may still be SuperDuper-related, as far as having a good copy which is capable of booting up normally in OS X.
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