[OpenAFS] Procedure for adding new DBs

Matthew Cocker matt@cs.auckland.ac.nz
Thu, 09 Feb 2006 12:16:48 +1300

Thanks Jeff

Your reply has really helped finalise our plans. In 5 years we have
never before changed the db servers names or IP addresses so I was a
little unsure of the best way to do it.



Jeffrey Hutzelman wrote:

> On Thursday, February 09, 2006 10:45:27 AM +1300 Matthew Cocker
> <matt@cs.auckland.ac.nz> wrote:
>> Hi
>> Our AFS cell has recently expanded into a university wide storage
>> service. As part of this expansion I need to add some new DB servers
>> that will have lower ip addresses than the existing DBs.
>> Would the following work
>> i) bring up new dbs but do not restart db processes on other DBs so
>> existing coordinator maintains role (will this work?)
> No.  All dbservers must have the same server list, and you must not
> start ptserver or vlserver processes on machines not listed in that
> list.  It doesn't matter what the clients think, but if the servers do
> not all agree you will have election problems, and depending on the
> way in which they disagree, bad things could happen.