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Re: Estimates taking a long time..
2006-05-26 15:41:44
what is the actual purpose of the estimates? is the estimate very
crucial in amanda's operation ? I've tried the estimate calcsize but
that still seems to be taking forever. Should I be safe trying estimate
server, or could that screw things up ?
If I do a flush or dump, and nothing gets written to tape, can I simply
change the tapelist so the tape I just tried to dump to can be reused,
or will that screw things up?
I've been using amanda for a while to flushes and restores, but this is
my first stab at the configuration..
thanks for your help so far.
Matt.
Jon LaBadie wrote:
On Fri, May 26, 2006 at 01:56:02PM -0400, Matt Ingram wrote:
here's the send sizesize log. To me it appears that it is just taking
that long to create the tar..... ???
thanks for your response :).
tar has great performance issues with directories containing many small
files. I think the alternative, faster ways of estimating are accurate
for level 0 dumps (others may correct my conception if wrong) and use
historical data for the incrementals. Your incrementals seem pretty small
(10-20% of the level 0) so that I suspect any error in those estimates
would be acceptable. Where you run into problems is a DLE that changes
a lot pretty often, but not always.
It is amazing the difference the alternatives can make in estimate time.
--
Matt Ingram
Intermediate Unix Administrator, IS
Canadian Bank Note Company, Limited
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