On Wed, Jun 28, 2006 at 11:06:14AM -0500, Dave Jones wrote:
> Hi, Marian.
>
> I would suggest that you look into using one of the Linux file systems
> that are meant to be shared by various Linux images, be they virtual
> under z/VM or real on Intel hardware.
>
> 1) OpenAFS (the folks over at Sine Nomine http://www.sinenomine.net/
> know a lot about this one....)

That's a network filesystem, only one system image very actually writes
to the disk.

> 2) IBM's GPFS (although I don't know if  this is available for zLinux yet.)

It wouldn't be portable to zLinux even if people wanted it without a
major rewrite because it's encodes various AIXism that make it hard to
use.  Besides that it's a really messy piece of junk that no one should
use.

> 3) RedHat's Global File System (original done by Sistina, I believe...)
> http://www.redhat.com/software/rha/gfs/

that's a useable shared filesystem, yes.

and 4) most importantly ocfs2 which is included in the current mainline
kernel aswell as SLES9+

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