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Old Jul 28th, 2015, 06:31 AM   #1
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Migrate from 10.5 to 10.10

I have a friend with an iMac running 10.5.8.

We want to take it to 10.10.4.

He has a good TimeMachine backup.

I have a Yosemite USB installer.

The iMac could do with a good nuke-n-pave.

If I erase the iMac, and then install Yosemite. can I expect to restore properly from the 10.5.8 TimeMachine?

Remember that I'll be trying to reel back from a TimeMachine created under 10.5.8 all the way to 10.10.4 all in one fell swoop???

Will the iPhoto, iTunes libraries import correctly?? Email??? Etc, etc....???

Or am I going to have to include a step to 10.6?? 0r other steps??

Comments please.
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Last edited by rgray; Jul 28th, 2015 at 09:42 AM.
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Old Jul 28th, 2015, 09:29 AM   #2
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I just upgraded from 10.6.8 to 10.10 (finally). I made two complete backups (Carbon Copy Cloner) and used a blank external partition to rebuild my system. When happy, I cloned it back to my boot drive.

For me, email was the most work. I've been running Eudora for many years; I have about 45k messages going back 15 years and I wanted to bring it all forward. I used Eudora Mailbox Cleaner* to convert from Eudora to Apple Mail on 10.6.8 which worked very well. However, I tested installing 10.10.4, Apple Mail was unsuccessful trying to upgrade the database format between the two versions of Mail. To get around that, I first installed 10.8, opened Mail successfully, then upgraded to 10.10. The intermediate step fixed whatever problem Mail was having.

BTW, I used Migration Assistant to transfer user accounts and data from the old system partition to the new. It is pretty darn slow--~250 GB of data took nearly 3 hours to transfer via USB2. I did this multiple times while testing. Even just installing OS X on a blank disk takes about 40 minutes.

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*PPC app so it won't run on 10.7 or later.
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Old Jul 28th, 2015, 10:49 AM   #3
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I would definitely create and test a clone via Carbon Copy Cloner.

Are there any machines that shipped with Leopard that can go all the way to Yosemite?? Sufficient RAM. Leopard ran fairly decently on 2GB. Judging by how the new macs ship, 8GB is minimum for Yosemite and 16GB would probably run smoother.
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Old Jul 28th, 2015, 11:13 AM   #4
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Quote:
Originally Posted by rgray View Post
I have a friend with an iMac running 10.5.8.

We want to take it to 10.10.4.

He has a good TimeMachine backup.

I have a Yosemite USB installer.

The iMac could do with a good nuke-n-pave.

If I erase the iMac, and then install Yosemite. can I expect to restore properly from the 10.5.8 TimeMachine?

Remember that I'll be trying to reel back from a TimeMachine created under 10.5.8 all the way to 10.10.4 all in one fell swoop???

Will the iPhoto, iTunes libraries import correctly?? Email??? Etc, etc....???

Or am I going to have to include a step to 10.6?? 0r other steps??

Comments please.
It will work fine, at least moving the Apple stuff will; Apple Mail, iCal, etc.

When it's all done, Photos that replaces iPhoto in 10.10.4 will convert and import the iPhoto library.
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Old Jul 28th, 2015, 12:53 PM   #5
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Considering that the 10.5.8 is almost eight years old, rather than doing a nuke-n-pave, why not just install a new drive and format it and stick the old drive into an enclosure as a backup at least?

EDIT: I guess I'm also wondering why the sudden urge or need to do such a drastic OS X upgrade???
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Old Jul 28th, 2015, 01:26 PM   #6
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Considering that the 10.5.8 is almost eight years old, rather than doing a nuke-n-pave, why not just install a new drive and format it and stick the old drive into an enclosure as a backup at least?

EDIT: I guess I'm also wondering why the sudden urge or need to do such a drastic OS X upgrade???
HD swaps on Macintel iMacs have never been a cakewalk. If it was a MacPro that would absolutely be the way to go.

I would buy a new external that would work with that iMac. FireWire 2 would be ideal. Clone to that new HD and test drive the clone. Then do your nuke and pave. Do not write over that clone until you are absolutely positive that the new OS install is working and that all key applications have survived the upgrade!
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Old Jul 28th, 2015, 02:56 PM   #7
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EDIT: I guess I'm also wondering why the sudden urge or need to do such a drastic OS X upgrade???
Because 10.5.8 is ancient, it sucks and it doesn't support jack any more. I'm surprised they lasted as long as they did, honestly.

They probably want to run applications that don't support 10.5, which is probably ever app imaginable at this point.
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Old Jul 28th, 2015, 05:09 PM   #8
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Because 10.5.8 is ancient, it sucks and it doesn't support jack any more. I'm surprised they lasted as long as they did, honestly.

They probably want to run applications that don't support 10.5, which is probably ever app imaginable at this point.
The owner is outside the Mac community, so to speak, so when update notices stopped arriving for 10.5.8 they never realised the world was moving on. And the was no Mac App Store at the time (until 10.6) to promote to them the latest and greatest otherwise I am sure this owner would surely have moved on. I have only recently made their acquaintance and taken their Mac under my wing,. as it were.

Primary reasons for wanting to upgrade are much as monokitty suggests for application support.

Mainly, iTunes will not upgrade further and the version on the machine cannot 'see' the new iPad they bought.

Safari can upgrade no further and so bypasses modern security features.

The question is "can a Yosemite install properly read 10.5.8 created TimeMachine" and I cannot find much definitive info at Apple of elsewhere.

The Machine meets the requirements for Yosemite and has all the speed the users need for what they are doing.

Basically we want the features of the newer operating system and the software improvements it makes possible.
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Old Jul 28th, 2015, 07:04 PM   #9
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Quote:
Originally Posted by rgray View Post
The question is "can a Yosemite install properly read 10.5.8 created TimeMachine" and I cannot find much definitive info at Apple of elsewhere.
I wouldn't even bother with Time Machine. Carbon Copy Cloner will not run on 10.5, nor does Bombich - the developer - offer older versions for legacy download.

But SuperDuper! will work fine - here's the download link to version 2.7.1.

With that, you can clone the drive easily to an external.

And while that iMac may be able to run Yosemite, will it run it well? I daresay a RAM upgrade wouldn't be a bad idea, unless it's already been added.
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Old Jul 28th, 2015, 10:48 PM   #10
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I would definitely create and test a clone via Carbon Copy Cloner.
Won't work - see next.
Quote:
Originally Posted by CubaMark View Post
I wouldn't even bother with Time Machine. Carbon Copy Cloner will not run on 10.5, nor does Bombich - the developer - offer older versions for legacy download.

But SuperDuper! will work fine - here's the download link to version 2.7.1.
I'm not sure what cloning gets me in this project??? There is no way we going to continue with 10.5.8...

I have the TimeMacine backup in hand and will have a fresh copy of the user folder before I start. So what more does cloning give me?

I am aware that there may be issues with 3rd party applications.

It is fairly clear that Yosemite can read 10.6.* TimeMachine archives. I am seeking confirmation that it will work from 10.5.*, Worst come to worst I have a DVD installer for 10.6 if need be. I think the machine could use a nuke-n-pave job in which case it would be easier to do that and save a step with the Yosemite installer stick....... if it would then be able to read the extant TimeMachine.
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