[linux-lvm] HA Fileserver configuration recommendation sought.

Kevin Anderson kanderso at redhat.com
Mon Nov 22 15:36:13 UTC 2004

On Fri, 2004-11-19 at 20:18, Dan Stromberg wrote:

> Last I heard:
> Sistina (prior to the Redhat purchase) had a roadmap for GFS, which
> included bringing it up to, but not surpassing, the 16 terabyte limit.
Plans were always to go way past 16TB, requires 64bit hardware
architectures and the 2.6 kernel to push the limits.
> Since the Redhat purchase, my understanding is that this previous
> roadmap has been scrapped, and there are no longer any immediate plans
> to raise the GFS filesystem size limit from 2 terabytes to 16 terabytes
> - in which case, you can pretty much just use NFS, unless you're stuck
> with small disks or low density servers.  :)
> I'd -really-like- to find out this isn't true.
For the 2.6 kernel, GFS should be able to go to 16TB on 32bit machines. 
On 64 bit machines, the theoretical limit is something like 8 exabytes. 
If anyone wants to pony up that amount of storage, we would be more than
happy to give it a go.  In the meantime, smaller sizes are going to be
validated.  So, plans have not been scrapped or even changed much from
Sistina to Red Hat.
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