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,

Attachment: Use cases for a new lease type in BLAZAR.pdf
Description: Adobe PDF document

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