[OpenAFS] back off and try again later at AFS client boot when servers inaccessible

[Derek Atkins]

Try running afs with -dynroot

-derek

Paul Blackburn <mpb@est.ibm.com> writes:

> Greetz,
> 
> I have noticed that (on AIX) if you try to start AFS client
> when the database servers are down (or inaccessible) it can cause problems.
> 
> A work-around that works for most situations is to add
> a simple ping test to the run-command that starts AFS Cache Manager
> at boot time (Linux example:
> http://www.angelfire.com/hi/plutonic/images/afs ).
> 
> However, there is one situation where this approach does not work:
> site power outage.
> 
> For site power outages, I manually check that AFS database servers
> are running OK first and then start (or re-start) AFS client machines.
> 
> It seems to me that recovery from events like site power failures
> could be more robust if AFS clients had a boot time run-command
> script that used a "back off and try again later" approach so that
> if the database servers are inaccessible then clients will be automagically
> restarted at some later time.
> 
> Has anyone else found a good way to deal with the recover from site
> power failure?
> --
> cheers
> paul                         http://acm.org/~mpb
> 
> "It is practically impossible to teach good programming to students
>  that have had a prior exposure to BASIC; as potential programmers
>  they are mentally mutilated beyond hope of regeneration."
> 
>   --Edsger Dijkstra  1930-2002
> http://www.digidome.nl/dijkstra_quotations.htm
> 
> 
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-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord@MIT.EDU                        PGP key available