On 2006-10-23 17:08, McGraw, Robert P. wrote:
> I am getting the following messages.
>
> planner: disk coriolis:/local, estimate of level 1 failed.
[...]
>
> My report shows:
>
> coriolis /local 0 0 0 -- 0:01 11.0 0:04 16.7
[...]
>
> My question; since the estimate failed for level 1, my report show that it
> did a level 0. Is this in fact what happened. Since it could not do a level
> 1 it just went ahead and did a level 0? Just want to be sure I am reading
> the report correctly.
The planner of Amanda will always estimate the size of level 0,
level N (the last level) and level N+1 (if "bumpdays" permits).
Using all those numbers, the planner creates a plan for the backup.
Planner starts with all the level 0's that are due, and the level N
of all the rest (or N+1 if the "bump.*" parameters got triggered for
this DLE).
If the resulting total amount is too large for the output media,
then Amanda will postpone some full dumps, and schedule a level N
instead for some of those.
Aparently Amanda did not feel the need for such a reordering.
So the missing estimates for level 1 did not interfere with the
planner algorithm.
To be complete, when there is enough space, and the total amount
of level 0 dumps is less than "balanced" (= total amount of level 0
divided by runspercycle), then Amanda will schedule some full dumps
in advance to the due date.
--
Paul Bijnens, xplanation Technology Services Tel +32 16 397.511
Technologielaan 21 bus 2, B-3001 Leuven, BELGIUM Fax +32 16 397.512
http://www.xplanation.com/ email: Paul.Bijnens AT xplanation DOT com
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