[OpenAFS] AFS lag

Derrick Brashear shadow@gmail.com
Wed, 18 Mar 2009 23:04:49 -0400

On Wed, Mar 18, 2009 at 9:56 PM, Ken Hornstein <kenh@cmf.nrl.navy.mil> wrot=
>>I'm no ubik engineer, but as far as I understand it, the protocol was not
>>designed for even numbers of participating servers. For best results, thr=
>>or five servers seem to be optimum.
> There is a lot of misinformation about Ubik out there; the voting
> protocol is actually not complicated, it's just not documented well.

it's actually well-documented, if you find Kazar's paper on Quorum Completi=

> If your database servers are accessable via the Internet, we could take
> a look at them via udebug. =A0Really, there are only a few things that ca=
> go wrong; of all of the pieces of AFS, I think Ubik is one of the most
> bulletproof.

There are a couple (unlikely) open issues; See RT.