[Openstack] 'nova boot' : 'No valid host was found'

John Smith lbalbalba at gmail.com
Tue Dec 3 16:08:18 UTC 2013


On Tue, Dec 3, 2013 at 12:55 PM, George Shuklin
<george.shuklin at gmail.com> wrote:
> How many free memory you got left after devstack installation?
>
> Anyway, reason and details are in console with nova-schedule.
>
Hi,

This is my memory after starting devstack and failing to launch an instance:

$ free
             total       used       free     shared    buffers     cached
Mem:       3103912    2023740    1080172          0      67264     907208
-/+ buffers/cache:    1049268    2054644
Swap:      2113532          0    2113532


The screen-n-sch.log shows ' instances:0 does not have 4096 MB usable
ram, it only has 4034.5 MB usable ram' and 'Filter RamFilter returned
0 hosts'. Guess that means that the issue is that openstack thinks
there's not enough memory ? Is there any way to override this behavior
in devstack ?



Regards,


John Smith
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