Hello,
since the early days of GPFS there was a limitation of using only
integer values in the LIMIT directive for placement policy rules.
Now it seems outdated and GPFS documentation says "You can specify
OccupancyPercentage as a floating point number , as in the following
example:
RULE 'r' RESTORE to pool 'x' limit(8.9e1)
However, 8.9e1 = 89, and I'm wondering if it is acceptable to define
limit 99.5% in file placement policy like this:
RULE 'DATA3' SET POOL 'data2' LIMIT(99.5)
mmchpolicy does not complain to such values. My doubt is if GPFS really
uses fractions of a percent in occupancy calculation.
Is anybody using such limits?
(0.5% in my case make a difference because it corresponds to about 60TB)
Thanks,
Vladimir
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