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10.5: Back up Time Machine's sparse image bundles
Authored by: dan55304 on Aug 08, '08 06:43:13AM

The value in this hint is saving the time of an initial TM backup which is quite long. This hint assumes that all the daily change backups have some value and must be retained. Granted, TM goes into that territory by it's frequent backups: I edited a file, screwed it up, and want to revert to the one I had two hours ago.

TM's main declared purpose is backup. Backup from what? I'm concerned about 1. Drive or computer failure, 2. disasters like fire, theft, or flood. The only way to accomplish that is to TM to a device in another building. What good does it do to have 10 copies of TM backups if they all go in the same fire?

I backup TM in another building over my local network. I also backup using .Me for settings, the i apps data, and my documents. That gives me redundancy for all critical files.

I'm still missing a strategy I like for archiving, where I remove the files from my hard drive because they aren't relevant currently. I want to make two copies on separate hard drives and store them in different places. I hate manual tasks. I just can't make myself do it.

TM for archiving is a non-starter for me. I don't want to, or expect to, have TM backups for all time. Their size will become unmanageable and Apple will eventually break these with new updates or a change in technology. I don't want an archive of every revision of a file anyway.



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About archiving
Authored by: hamarkus on Aug 11, '08 09:36:18AM

The smaller the number of logical disks (ie, a RAID would be one logical disk), the easier it is to backup and archive and keep track of things. If you cannot fit all your data on the your current harddisk, get the biggest available drive and try again. If if still does not fit, consider pooled drives (RAID, Drobo).



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