Distributed File System List

I feel like making lists. I guess it's a human condition to make lists and organize things. So to satisfy my desire below is a list of distributed file system providers:

Providers:

• http://hadoop.apache.org/docs/stable/hdfs_design.html  - HDFS
• http://fuse.sourceforge.net/  - FUSE
• http://www.xtreemfs.org/  
• http://ceph.com/
• http://www.coda.cs.cmu.edu/
• http://code.google.com/p/kosmosfs/
• https://github.com/quantcast/qfs

 Tutorials:

• http://www.cs.nmsu.edu/~pfeiffer/fuse-tutorial/
• http://www.ibm.com/developerworks/library/l-fuse/
• http://www.ibm.com/developerworks/library/wa-introhdfs/