Roadmap

This page recapitulates our plan for the future of Phobos, in order of implementation:

Project	Description	Status
Device fair share	implement a mechanism for equal partitioning of requests between devices	ongoing
Locate with compatibility check	check at locate if a host has compatible devices for the media the object is on	done
Deprecated stats	retrieve information about the number of deprecated objects on a medium	design
Extent migration	migrate extents from one medium to another	design
Repack/cleanup	complete deletion of an object and its extent from the system and media	design
Tape Library Controller	controller for interactions with a tape library	design
Multi-library support	support multiple libraries in a single Phobos instance	not started
Erasure Coding	implementation of an Erasure Coding storage layout	not started
Grouped put	group multiple put requests into a single one and optimize medium usage	not started
Auto tags	have a pool of untagged tapes that can be selected and tagged when the number of available/usable tapes

                                of a given tag drops to 0  | not started |

| Mandatory tagging | define a set of tags that must be specified at put (manage communities of users) | not started | | Internal HSM management | manage HSM requests from one storage tier to another | not started | | Disaster recovery | recovering the database and information about objects and such after a failure | not started | | RAO implementation | take into account the Recommended Access Order on tapes | not started | | Server-client | allow remote commands to be executed on a Phobos node | not started |