Recently, Oracle decided to close OCFS2 for all Linux vendors, except the
O(E)L versions. That decision might make sense if the next generation
file system being developed at Oracle Corp., the beast called "Btrfs",
will have cluster capabilities. The design goals are described on
Wikipedia: http://en.wikipedia.org/wiki/Btrfs
It is not a clustered file system but only "a better ZFS". With OCFS2
becoming closed source and GFS2 not being supported, that is a big
restriction for Linux users. Does anybody have any rumors? What are
Oracle plans with respect to the cluster file systems? I finally
succeeded in installing RAC on my F14 box, using my Ubuntu 10.10 laptop
as the file server, which is less than ideal solution.
Will Oracle support GFS2? Single instance performance on GFS2 looks quite
OK and not worse than the performance on Ext4. I will make a test suite
and benchmark single instance on GFS2, Btrfs and Ext4, just to see
whether there are any differences.



--
http://mgogala.byethost5.com

On 10/19/2011 05:46 PM, Mladen Gogala wrote:
I can't provide any rumors but there are more contenders in the cluster
file system area:

- glusterfs: I don't think this is ready for production yet - at least
that's my impression from looking at the users mailing list. Feature
wise it seems pretty good (load balancing, failover, RAID levels etc.)

- AFS: comes with Scientific Linux (another RH clone), haven't tried it yet.

- Coda: apparently a descendant from earlier AFS, not looked at closer
either

Kind regards

robert

Mladen Gogala <gogala.mladen (AT) gmail (DOT) com> wrote in
newsan.2011.10.19.15.46.53 (AT) gmail (DOT) com:

As you mentioned Ubuntu, may be GPFS is an option?

https://help.ubuntu.com/community/SettingUpGPFSHowTo

For additional info check the Wikipedia- and IBM-links in the article.
Never used it myself, so ymmv.

HTH.

--
Jeroen

On Oct 20, 8:28*am, TheBoss <TheB... (AT) invalid (DOT) nl> wrote:

One thing I've found with gpfs (in IBM Aix): it uses a default
(minimal?) blocksize of 16K. Taking into account the well known
bu^H^Hissues Oracle has when blocksize differs from 8K particularly if
using any of ASSM or auto-memory management, I'm very reluctant to use
gpfs. Not because of the product itself: because of Oracle.