[OpenAFS] Re: Redundant Internet links

Derrick Brashear shadow@gmail.com
Fri, 17 Dec 2010 07:57:23 -0500

>> dbservers are different, though; the specification in CellServDB affects
>> the voting algorithm, and is not as simple as a list of sites to try to
>> reach. I don't think I'd recommend putting multiple IPs per site in
>> there, but I don't really know what happens if you do that. Each site is
>> aware of the local addresses of the other sites, and I'm not sure what a
>> site does if it sees that another site claims ownership of more than one
>> CellServDB server entry... But I don't imagine it ending well.
> 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