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	done
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	done
Repack/cleanup	complete deletion of an object and its extent from the system and media	done
Tape Library Controller	controller for interactions with a tape library	done
Multi-library support	support multiple libraries in a single Phobos instance	done
Erasure Coding	implementation of an Erasure Coding storage layout	done
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	done
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