Open Stack

AFAIK, quota will expire in 24 hours

cfg.IntOpt('reservation_expire',
               default=86400,
               help='Number of seconds until a reservation expires'),

Best Regards!

Kevin (Chen) Ji 纪 晨

Engineer, zVM Development, CSTL
Notes: Chen CH Ji/China/IBM at IBMCN   Internet: jichenjc at cn.ibm.com
Phone: +86-10-82454158
Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District,
Beijing 100193, PRC



From:	"Eli Qiao(Li Yong Qiao)" <taget at linux.vnet.ibm.com>
To:	"OpenStack Development Mailing List (not for usage questions)"
            <openstack-dev at lists.openstack.org>
Date:	12/18/2014 04:34 PM
Subject:	[openstack-dev] [nova][resend with correct subject prefix] ask
            for usage of quota reserve



hi all,
can anyone tell if we call quotas.reserve() but never call quotas.commit()
or quotas.rollback().
what will happen?

for example:

   1.	when doing resize, we call quotas.reserve() to reservea a delta
      quota.(new_flavor - old_flavor)
   2.	for some reasons, nova-compute crashed, and not chance to call
      quotas.commit() or quotas.rollback() (called by finish_resize in
      nova/compute/manager.py)
   3.	next time restart nova-compute server, is the delta quota still
      reserved , or do we need any other operation on quotas?


Thanks in advance
-Eli.


ps: this is related to patch : Handle RESIZE_PREP status when nova compute
do init_instance(https://review.openstack.org/#/c/132827/)


--
Thanks Eli Qiao(qiaoly at cn.ibm.com)
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