Open Stack

Hi all,

my name is Lisa Zangrando and I work at the Italian National Institute 
for Nuclear Physics (INFN). In particular I am leading a team which is 
addressing the issue concerning the efficiency in the resource usage in 
OpenStack.
Currently OpenStack allows just a static partitioning model where the 
resource allocation to the user teams (i.e. the projects) can be done 
only by considering fixed quotas which cannot be exceeded even if there 
are unused resources (but) assigned to different projects.
We studied the available BLAZAR's documentation and, in agreement with 
Tim Bell (who is responsible the OpenStack cloud project at CERN), we 
think this issue could be addressed within your framework.
Please find attached a document that describes our use cases (actually 
we think that many other environments have to deal with the same 
problems) and how they could be managed in BLAZAR, by defining a new 
lease type (i.e. fairShare lease) to be considered as extension of the 
list of the already supported lease types.
I would then be happy to discuss these ideas with you.

Thanks in advance,
Lisa

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