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Several networked and non-networked options for Time Machine backups
Authored by: deemery on Apr 08, '11 08:16:23AM

A couple other notes:
1. TimeMachine and FileVault do NOT play well together. I hope this gets fixed in Lion with its support for full disk encryption.

2. What I do is back up my laptop EXCEPT for my (FileVault encrypted) home directory to a FW800 external drive. On that drive, I also have an encrypted disk image (sparsebundle). I have a nightly backup task (I used to use Synk but they changed their approach, now I'm using Super Flexible File Synchronizer) that mounts the encrypted image, duplicates my home directory to that image, and then unmounts the encrypted image.

I also have a Mini Server and Mobile accounts. Every 8 hours, my laptop's home directory synchs with the Mini Server. That server is then backed up using TimeMachine to a local (to that server) external drive. When this works, I can restore a file from the Time Machine on the Mini Server and then resynch with the laptop. However, mobile account synching has been a real disappointment in terms of reliability AND performance.

This gives me 2 independent back-ups, using two independent applications, pieces of hardware, etc. Even with all this redundancy, I've still had problems when both backup systems quietly failed due to unrelated system configuration problems.

TimeMachine is great when it works, and so is Server mobile account syncing. Unfortunately that "when it works" caveat is significant.

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Several networked and non-networked options for Time Machine backups
Authored by: afingal on Apr 08, '11 02:08:26PM

I haven't had a problem with Time Machine and File Vault. Using sparsebundles for the underlying storage of File Vault is the most elegant solution I have seen to incrementally back up encrypted data and it's been working just fine for me. I would have to admit, however, that I haven't really had enough incidents where I needed to restore data to seriously test the Time Machine / File Vault combo.

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