How to recover from a Crash

Hi,
  I had the misfortune yesterday of having my OS X Lion operating system have a complete meltdown and become unrecoverable.  Luckily, I had a time machine backup from the previous evening, so the sequence went something like this:
Boot with Command-R option to bring up the recovery options, selected recovery from time machine
Wait approx 2 hours....
All back - or is it???
Aperture's library is not backed up by Time Machine (I'm using referenced, so the images are fine).  Luckily, I have a vault...
Point Aperture to the Vault
Recover recover recover.... waiting waiting....
Finished!
But wait!  All the images now have a red stripe icon at the bottom right.  Blast - I now have to locate referenced files.  It appears that Aperture lost the links or doesn't recognise the locations because of the complete wipe and recover from backup
Locate referenced files, find a match, "Reconnect All".  Done.
OH noes....  some didn't appear to reconnect.  Checking - aha!  THe vault is a couple of months old, and I did a big cull of useless images after updating the vault - the remaining unconnected images can safely be deleted from Aperture as they no longer exist.
Now to re-do the processing of the 30 images I was working on last night...  (sigh...)
Lessons Learned:
1.  Make sure Time Machine is working
2.  Update your Vault regularly onto an external hard disk

I seem to recall that it was a recommended approach to stop huge Time Machine updates every time you touched Aperture.
Time machine now makes incremental backups of the Aperture Library - unless the library is in use by Aperture while Time Machine is running. It suffices to quit Aperture before backing up. That is what I do on my MBP.
Something else to note for the record:  when you do a recovery and reinstall from Time Machine, Aperture perceives your reconstructed boot volume as a new volume, even though it has the same name and everything.
Exactly, but thankfully reconnecting is easy.
To restore a system I usually restore from a bootable clone. I regularly clone the system as a secondary backup.
Cheers
Léonie

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