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by hydrafs last modified 2005-10-18 01:22 PM

Status of the Hydra Filesystem

Week 8

  • Testing and debugging different scenarios
  • Developed a small & simple monitor to see what goes on during requests
  • Code freezed. HydraFS 0.01a ready for presentation!

Week 7

  • Fixed some really obscure threading bugs
  • Successfully submitted my entire home directory to the file system (851 files)
  • Clients can now get info on files and directory listings from metadata server
  • Currently testing with a couple of custom applications (and fixing a few bugs)
  • Data servers are now syncing with the metadata server upon startup
  • Implemented a simple round-robin selection policy for dataservers

Week 6

  • Clients can now delete files from the filesystem
  • Cleaned up and rewrote part of the client library
  • Newly created files are now being replicated through the data nodes

Week 5

  • Data servers already storing files as objects, per requests of clients directed from metadata server
  • Clients can now get files that are stored in the filesystems
  • Clients can now append and write to files stored in the filesystems, and both metadata and data servers are tracking versions succesfully

Week 4

  • Database & abstraction layer for storing filesystem structure finished
  • Created small console utility for displaying the full contents of the database
  • Metadata server is now accepting requests for creating files & adding them to the location/versioning database
  • Clients can now connect to the metadata server to request file creation & be redirected to a proper dataserver to balance load

Week 3

  • Metadata server is now threaded and serves requests
  • Data servers are able to announce themselves to the metadata servers and keep their status alive with heartbeats.
  • Both metadata & data server now read their config from XML files

Week 2:

  • Created request dispatch mechanism for metadata & data servers
  • Created socket transport layer & packet creation module

Week 1

  • Designed transport communications layer
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