I think OCFS2 is slightly better. Listen - if you don't need clustered filesystem, avoid it at any cost. However, if you do need it, then A/P cluster is not enough.
Ez On Sun, Aug 22, 2010 at 12:01 AM, Amos Shapira <amos.shap...@gmail.com>wrote: > 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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