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10.5: Repair Time Machine after logic board changes
Authored by: jeanmillet on Oct 11, '08 05:42:29AM

Hi,

Thanks for posting this Hint. My PowerBook has recently (Oct 2008) undergone Logic Board switching and following the steps described in the Hint enabled me to have Time Machine backing up in the original Backup folder of my External HDD.

There is one problem though: although I can access all my backed-up files through Finder, I am unable to do that when I'm in the Time Machine Starfield Interface. When I click on the "Enter Time Machine" command, I can correctly get inside the TM starfield interface but I'm unable to go back in time. The only active Finder window displayed is the front-most one and displays only what is in my PowerBook hard drive in the present. In the back, empty dark grey finder windows are displayed. Clicking on the back button does nothing and the timeline only shows Now/Today. What is strange is that when I go to the Time Machine Preferences Panel, it shows that my oldest backup is in Nov 2007, which is almost a year before I had my Logic Board switched.

So, there seems to be no problem writing new backups in the folder that contained all my old backups, but TM is unable to display any backup in the starfield interface. I know that I still can access the backups through Finder, but I really like the starfield mode and want to be able to use it for its ease of use. Does anybody know how to fix this?

Thanks for your help.



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10.5: Repair Time Machine after logic board changes
Authored by: gbullman on Oct 27, '08 05:55:46AM

I have performed this re-pair'ing twice on the same machine. Once back in June with whatever was current Leopard at the time, and then again at the beginning of October. In both cases the backups are correctly going to the existing backup tree.

Since the October re-pair'ing I'm experiencing the same behavior as far as 'Show Time Machine' (only shows present), Select Other Time Machine Disk... (shows all backups), and Time Machine Preferences... (shows correct oldest backup date).

One other difference between the June re-pairing and the October re-pairing is that in June it picked up with just the needed incremental backups, but in October it performed what was likely a full backup (got message that it was deleting the oldest full backup to make room, and then it backed up an equivalent size to the data on the boot drive).

I believe that the machine is being properly backed up, and the backups appear to be accessible via the "Select Other Time Machine Disk..." but it would be nice to understand why "Show Time Machine" is not working properly.



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