● NFS
– Pro: standard, cross-platform, easy to implement
– Con: Poor performance, single point of failure
(single locking manager, even in HA)
● GFS2
– Pro: Very responsive on large datafiles, works on
physical and virtual, quota and SE-Linux
support, faster than EXT3 when I/O operations
are on the same node
– Con: Only supported with Red Hat, Performance
issues on accessing small files on several
subdirectory on different nodes
● OCFS2
– Pro: Very fast with large and small datafiles on
different node with two types of performance
models (mail, datafile). Works on a physical
and virtual.
– Con: Supported only through contract with Oracle
or SLES, no quota support, no on-line resize