Il giorno 03/mar/2011, alle ore 04.52, Fabio Napoleoni - ZENIT ha scritto:

> I have my director using an external raid device which exports its filesystem 
> with nfs protocol as storage. I just ended my bacula configuration and just 
> launched my first remote job. I have this in the report
> 
> JobId 3: Job write elapsed time = 00:14:23, Transfer rate = 1.182 M 
> Bytes/second
> 
> which seems a little poor to me (our network is currently on a 100M switch, 
> we're planning to upgrade with something better in the near future). 
> Currently data flows from bacula-fd on client to bacula-sd on bacula server 
> and then the storage daemon writes data on a volume mounted in an nfs 
> partition, so data goes on the wire at the same time.
> 
> Is advisable to enable data spooling in the storage daemon in this situation?

I made a try with this results

JobId 7: Spooling data ...
JobId 7: Job write elapsed time = 00:13:07, Transfer rate = 1.295 M Bytes/second
JobId 7: Committing spooled data to Volume "FullVolume-0004". Despooling 
1,021,072,888 bytes ...
JobId 7: Despooling elapsed time = 00:02:19, Transfer rate = 7.345 M 
Bytes/second
JobId 7: Sending spooled attrs to the Director. Despooling 6,816,214 bytes ...

There is only a little improvement of performances.

So I'm asking you what is the transfer rate in your jobs? These rates are 
normal or are they slow compared to yours?

Thanks.

--
Fabio Napoleoni - ZENIT
fabio AT zenit DOT org

"Computer Science is no more about computers than astronomy is
about telescopes"

                                                    Edsger W. Dijkstra


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