A simple script for backing files up in a Public Cloud.
These are secondary backup, i.e. files uploaded are also stored in another storage far easier to retrieve.
Goals
Files uploaded to the cloud should be
- appropriately encrypted including filenames
- spliced into 100MB volumes for easier transfer with clouds.
- conveniently indexed
Implementation
The script uses 7z to create volume-based split archives with built-in AES encryption including header.
Each file or subdirectory under a Source directory is grouped into a separate
archive, to be saved to Destination directory.
The archive name is the md5sum hash of the full filename (only the basename, including extension).
A list of "md5sum hash - filename" is generated for indexing purpose, stored in plain text.