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Existing HSMs are largely "file-oriented" and are firmly rooted in the "directory of files" convention though many provide a virtual view of physical storage. Underneath the hood Fedora uses the "directory of files" convention for physical storage of managed content and metadata. In fact, a Fedora Repository can be entirely rebuilt from it managed files. It appears feasible for Fedora to delegate physical storage to an HSM. However, it is likely that the Fedora Repository will require modification in order to provide a robust integration with HSMs since applications really should have no knowledge on of how the disseminations are accomplished.
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