[OpenAFS] failed fileserver ip address change

[Juha Jäykkä]

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> As a matter of fact, it can tell.  Each server has an identifier
> (UUID), and registers its addresses with the VLDB on every startup.
> So, if all you are doing is renumbering an existing server, just change
> the address and restart it - the rest will happen automatically.

Except in this case, this procedure resulted in both the new and the old
address in the VLDB.

> The problems occur when you use 'vos changeaddr' inappropriately, or if

I never used vos changeaddr. Not even after things were messed up.

> the VLDB already thinks there is a server at the new address.  In the
> latter case, it won't let the fileserver register the new address,
> because it belongs to some other server.  In current versions of

Hmm. This might be it: the new address never showed up in VLDB, even
though bos showed them running normally. I wonder, how did this happen,
since the fileserver at the old address was stopped before the address
was changed. Shouldn't that be enough? As per IBM docs, it should.

-Juha

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		| Juha J=C3=A4ykk=C3=A4, juolja@utu.fi			|
		| home: http://www.utu.fi/~juolja/		|
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