[OpenAFS] Re: why afs backup is so poorly supported

Jeffrey Hutzelman jhutz@cmu.edu
Mon, 09 Oct 2006 19:51:36 -0400

On Monday, October 09, 2006 04:37:11 PM -0700 Adam Megacz 
<megacz@cs.berkeley.edu> wrote:

> Derrick J Brashear <shadow@dementia.org> writes:
>> On Mon, 9 Oct 2006, Adam Megacz wrote:
>>> You're not the only one drooling over this possibility.  But it won't
>>> help much with the current namei/AFSIDat layout.
>> What problem do you have with it? It emulates open-by-inode-number
>> with some metadata in the mode bits, basically.
>> That's oversimplification but it was designed to be efficient.
> Sorry for the confusion.  It's not the way the layout is done, but
> that it is done at all.

AFS is not intended to solve the "share your local filesystem" problem.  It 
was designed as a scalable, manageable distributed filesystem, and many of 
its features depend on the fact that all file access is via the fileserver. 
The two problems are very different, and require different solutions.

-- Jeff