[OpenAFS] Changing AFS database server names

[Jeffrey Altman]

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Rodney M Dyer wrote:
> At 09:16 AM 6/27/2006, Jeffrey Altman wrote:
> 
>> I should also point out that the Windows client when not using
>> Freelance mode does a very poor job of failing over when the first
>> vlserver found in the CellServDB is not available and Freelance mode
>> is not being used.   The Windows client prior to the next set of
>> releases only makes one attempt to load the root.afs volume due to
>> the fact that the HardDeadTimeout for RX is greater than the timeout
>> configured for processing CIFS requests.  Depending on the deployed
>> clients moving the vlservers could end up being quite painful.
> 
> I have one question related to this.  When we were experiencing this
> problem the first vlserver in the list was active, and it had the lowest
> subnet number, which means the service should have started just fine. 
> The fact that the other vlservers were not contactable shouldn't have
> prevented the client from finding the root.afs, but that is what
> happend.  It appeared (to me) that the client service wasn't starting
> because all the vlservers weren't online.  That is a different senario
> than just saying the first one not contactable caused the service to
> "time out".

vlservers are not sorted by subnet number.  they are read from the
CellServDB file and randomized.  If the first vlserver contacted does
not respond when attempting to mount the root.afs volume, the timeout
period will be exceeded and afsd_service.exe will terminate.

I have fixed this for future releases.

Jeffrey Altman

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