Re: [Duplicity-talk] Duplicity with FAT32 backup disk

[Kenneth Loafman]

Eric Lynch wrote:
> I would like to use duplicity to backup my home directory to a USB
> disk, formatted FAT32.  If I do:
> 
>   duplicity $HOME file:///media/usbdisk/target_dir
> 
> will I run into problems with FAT32's 4 GB file size limit if $HOME is
> larger than 4 GB?  I ask because of the statement on the duplicity
> home page that says "Duplicity backs directories by producing
> encrypted tar-format volumes...".  Does duplicity create a single tar
> file containing the entire backup?

No, duplicity creates multiple volumes of 5MB each (default), so that's
not a problem.  However, to work with FAT32 file systems, you will need
to use either the option '--short-filenames', or '--time-separator=_'
since the colon in the filenames is illegal on Windows-based
filesystems.  I would suggest the second option for readability.

...Ken

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