[OpenAFS] Re: Moving Magic Trio to another domain

stephen@physics.unc.edu stephen@physics.unc.edu
Tue, 24 Sep 2013 14:45:57 -0400 (EDT)


On Tue, 24 Sep 2013, Andrew Deason wrote:

>> I doubt that they both can be online as afs servers simultaneously,
>> though.
>
> You can't run an "old" and "new" server on the same machine from a
> single IP address, that's true. But you _can_ just run the "old" server,
> and point the old and new CellServDB entries at it, and it looks like
> two different cells and two different servers that serve the same data.
>
> To maybe help illustrate, it's like in HTTP/1.0 (without the 'host: '
> header) having two different DNS A records for the same server. If you
> had the hostname newwww.example.com and oldwww.example.com both pointing
> to 198.51.100.5, they would both serve the same contents, but they sort
> of "look" like two different hosts.

Interesting. In order to avoid hilarity in such a scenario, would it be 
necessary to ensure matching of users and group (and id numbers of both) in 
both cells' PTS database?

Cheers,
Stephen