[OpenAFS] Re: Redundant Internet links

Derrick Brashear shadow@gmail.com
Sat, 18 Dec 2010 09:28:52 -0500


On Sat, Dec 18, 2010 at 9:16 AM, Jaap Winius <jwinius@umrk.nl> wrote:
> Quoting Derrick Brashear <shadow@gmail.com>:
>
>>> Yeah, I suspected that would be a problem... despite the fact that the
>>> names
>>> following the "#" behind the IP addresses would be the same. So, I'll
>>> just
>>> use one IP address per server in the CellServDB files of the DB/file
>>> server
>>> machines and let the routing system take care of any communications
>>> problems.
>>
>> Careful here. Things get fun if more than one server ends up believing
>> it is the "lowest host" (by IP, numerically) and thus has a tiebreaker
>> vote.
>
> I can imagine, but I don't think that will be a problem in this case. Each
> database server should never consider that it has any other IP address
> except one in particular. The single IP addresses that they each use to
> reach their remote companions will never change either. Only the routing in
> between will occasionally change as needed when the main links go down and
> up.

Sure, but will any host's address for some other host be lower than
its own address while
at the same time that host itself *should be* the lowest host?

(It's too early; Does that make sense?)

-- 
Derrick