[Ocfs2-devel] Ocfs2-tools 1.3.9 Released, Ocfs2 New Features FAQ

[Robert Wipfel]

Hi Mark,

Just a little contribution from here:

Aperi is an open source storage resource management 
project for Linux and Windows. It is hosted by Eclipse as an
Eclipse technology project, details here:
http://www.eclipse.org/aperi/

Recent checkins added support for OCFS2:
http://dev.eclipse.org/mhonarc/lists/aperi-dev/msg00874.html

and Xen:
http://dev.eclipse.org/mhonarc/lists/aperi-dev/msg00708.html

Hth,
Robert


>>> On Mon, Nov 19, 2007 at  5:22 PM, in message
<20071120002232.GW28607 at ca-server1.us.oracle.com>, Mark Fasheh
<mark.fasheh at oracle.com> wrote: 
> The Ocfs2 team has been adding new features to the Ocfs2 file system in the
> mainline Linux kernel at a very steady pace for some time now. Most features
> are simply available by running the new kernels. Some features however,
> require that certain flags and disk structures be updated before the feature
> can be used. Other than development versions downloaded via source control,
> ocfs2- tools has always created file systems with a set of features geared
> towards the Ocfs2 1.2.x release. Ocfs2- tools 1.3.9 is intended to fill that
> gap by allowing access to the latest disk features added in the file system.
> 
> 
> New versions of Ocfs2- tools are always backwards compatible with old
> versions of the kernel module. Also, all newer versions of the Ocfs2 module
> will be fully disk compatible with all old versions of the file system.
> However, if you are running ocfs2- 1.2 on an Enterprise distro kernel you
> should stick to Ocfs2- tools 1.2.x for now as the main tools change is
> support for new kernel features only available on mainline for now.
> Regardless, feel free to read on or review the FAQ to get an idea of what
> Ocfs2 1.4 *might* look like. Please note that I stress "might" -  the "New
> Features FAQ" elaborates: "The final list of features which will be
> available to Oracle customers is still to be decided, though obviously we
> hope to include as much of this as possible."
> 
> 
> Anyone running a mainline kernel or a distro which closely tracks mainline
> kernels should consider upgrading as Ocfs2- tools 1.3.9 has support for
> several features which are available with more recent kernels.
> 
> 
> A source tarball can be downloaded from:
> 
> http://oss.oracle.com/projects/ocfs2- tools/dist/files/source/v1.3/ocfs2- tools- 1
> .3.9.tar.gz
> 
> Fedora 7 RPMS are available at:
> 
> http://oss.oracle.com/projects/ocfs2- tools/files/unofficial/fc7/
> 
> The Ubuntu, Debian and OpenSuse package maintainers have been notified of
> the new release, so hopefully those packages should show up soon too.
> 
> 
> The "New Features FAQ" lists major new Ocfs2 features, and which kernels are
> required for them:
> 
> http://oss.oracle.com/projects/ocfs2/dist/documentation/ocfs2- new- features.htm
> l
> 
> The FAQ also has instructions on how to create or upgrade file systems with
> new disk features.
> 
> 
> If you're one of those people who doesn't like to be bothered with an FAQ
> and wants to jump right in, I've got you covered -  from the FAQ:
> 
> To build an Ocfs2 file system with disk features understood by most recent
> kernels:
>      $ mkfs.ocfs2 -- fs- feature- level=default <device>
> 
> To build an Ocfs2 file system with disk features understood on all kernels
> and all versions of Ocfs2 ever released:
>      $ mkfs.ocfs2 -- fs- feature- level=max- compat <device>
> 
> To build an Ocfs2 file system with disk features which will work on only the
> latest kernel releases:
>      $ mkfs.ocfs2 -- fs- feature- level=max- features <device>
> 
> To turn on sparse files and unwritten extents support:
>      $ tunefs.ocfs2 -- fs- features=sparse,unwritten <device>
> 
> 
> As always, comments and (constructive) criticism are welcome.
> 	-- Mark
> 
> --
> Mark Fasheh
> Senior Software Developer, Oracle
> mark.fasheh at oracle.com
> 
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