On 01/15/11 01:43, Silver Salonen wrote:
> On Friday 14 January 2011 23:30:15 Phil Stracchino wrote:
>> Stan:
>>
>> Without commenting further on the reasonableness of your data owner's
>> ideas about how to do this, the real-world chances of the Bacula
>> director encountering an error increase with every successive reload
>> without a restart. The chance of a single Director instance surviving
>> even a hundred successive reloads without a problem is very small. The
>> chance of it surviving 12,000 is essentially zero.
>
> And why is that? Just because of the probability to make errors in
> configuration?
No. I don't know enough about the internals of the Director to know why
it is unsafe, but experience has shown that it is. Sooner or later, a
reload ... perhaps overwrites a buffer or pointer that's in use, perhaps
tries to replace a structure that is locked because it's in use, I don't
know exactly what happens; but the reload fails, and from then on the
Director doesn't work properly until it's restarted.
My experience is that you can get away with a small number of reloads in
a single session, if you're tweaking your configuration or adding a
client, but if you've reloaded the configuration three or four times,
you really need to restart the Director at the next good opportunity.
--
Phil Stracchino, CDK#2 DoD#299792458 ICBM: 43.5607, -71.355
ala...@caerllewys.net ala...@metrocast.net p...@co.ordinate.org
Renaissance Man, Unix ronin, Perl hacker, Free Stater
It's not the years, it's the mileage.
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