2010/8/22 Etzion Bar-Noy <eza...@tournament.org.il> > Indeed. > The easiest to implement, amongst the free clustered filesystems is OCFS2 > by Oracle. Two or three RPMs, a short configuration phase, and you're fine. >
How is its performance? GFS comes as part of RHEL/CentOS base, so nothing special needs to be done to work with it. We tested it on a Fiber-Channel EMC SAN device, compared it to plain ext3 and xfs (yes we know that GFS is the only clustered one) and found that the performance hit too high to ignore. We ended up going back to ext3 and making sure only one guest mounts the filesystem at a time (that's what we need for our application anyway). --Amos
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