[one-users] RANK=FREEMEMORY

[Steven Timm]

Under OpenNebula 3 we have been using RANK=FREEMEMORY
to launch the next virtual machine on the hypervisor which
has the most memory available at the time.  I am using the
same in OpenNebula 4.8 but it does not appear to be working,
even though FREEMEMORY is still a documented selection variable
in the requirements section.  In particular
all the RANKS of the machines show up as "0" in the sched.log
when you look at the allocation cycle and there is no "FREEMEMORY"
variable reported in the output of
onehost show xxxx
under opennebula 4.8.

Are there other selection variables which could have
the same desired effect, i.e. a horizontal fill of the cloud?

Steve Timm


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Steven C. Timm, Ph.D  (630) 840-8525
timm at fnal.gov  http://home.fnal.gov/~timm/
Fermilab Scientific Computing Division, Scientific Computing Services Quad.
Grid and Cloud Services Dept., Associate Dept. Head for Cloud Computing