Amahi Time Machine

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This page contains advanced hints and tips on using the Amahi Time Machine app. Unless otherwise stated, the commands listed on this page need to be run with root privileges and therefore extreme care should be taken.

Limit backup volume size

By default, Apple's Time Machine software will grow the backup size to use all available disk space. To artificially limit this, do the following.

1. Edit the file /etc/netatalk/AppleVolumes.default: On the line that begins '/var/hda/files/amahi-time-machine', add 'volsizelimit:XXXX' AFTER 'options:tm', where XXXX is the artificial limit in MiB.

2. Execute 'service netatalk restart'

NOTE: do not do this while a backup is running. The way Apple's Time Machine software works requires more disk space than the size of the backup available. It is usually best to put a volume size limit in place before the first backup is created.

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