+1
________________________________________
From: Tim Bell [tim.b...@cern.ch]
Sent: Thursday, August 18, 2016 10:50 AM
To: Jonathan D. Proulx
Cc: openstack-operators@lists.openstack.org
Subject: Re: [Openstack-operators] Shelving
I was interested to establish a consensus that
- Shelved instances should not be part of the users quota
- Quota in Glance (and associated chargeback if appropriate) is needed
Glance space for us is much less expensive than people leaving their instances
running. Equally, terminating a user’s inactive VM would not be popular so
giving them a shelved instance would allow them to re-create it much more
easily.
Any objections to a blueprint that proposes shelving should be handled with the
same quota model as snapshotting ?
Tim
On 18/08/16 19:43, "Jonathan D. Proulx" <j...@csail.mit.edu> wrote:
On Thu, Aug 18, 2016 at 03:24:28PM +0000, Tim Bell wrote:
:
:We’re having a look at VM shelving for the CERN community and struggling
to find a motivation for a private cloud user to shelve their instances (and
free up resources they may be only using infrequently).
:
:The problem is that shelved instances seem to still be included in the
user’s quota. Without internal billing, the best motivation for users to shelve
would be to allow them to maximize the use of their quota.
:
:Have any other sites used shelving extensively ? How did you motivate your
users to shelve unused resources?
Hi Tim,
We've just started looking at this and for simialar reasons. I agree
we should remove shelved resources from project quota. Shelved
instances do still hold some storage resources so there may need to be
new quota to accoutn for that some how...
Currently the only motivation for our users to shelve is to get me to
stop pestering them.
We're considering policy based enforced shelving (based on some yet to
be defined utilization metrics) but that's only a idea at this point
not a plan.
-Jon
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