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Use multiple drives with Time Machine
Authored by: barefootguru on Aug 16, '12 03:50:53PM

Note on 2 of our 3 Macs Time Machine stopped doing any backups after adding a new drive to the pool. A restart fixes it.

hamarkus: the first hourly backup will go to the first drive, the second hour to the second drive, etc. i.e. Time Machine cycles through the drives each time it does an hourly backup.



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How will it thin out the two TM backups?
Authored by: hamarkus on Aug 21, '12 12:03:37PM

Will the daily backups (after 24 h) also be distributed over the two backups, and the weekly backups as well? Or will both backups contain all daily (up to 30 days) and all weekly updates (which would make them close mirrors, not full mirrors as the backups will always be one hour apart)?



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How will it thin out the two TM backups?
Authored by: barefootguru on Aug 21, '12 01:11:58PM

The latter: each volume Time Machine backs up to is treated as its own set. I have two drives which are permanently connected, so have almost identical backups on both of them (within an hour, as you say).



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