Hi, There is a patch on resize https://review.openstack.org/#/c/117116/ To address the resize, there are some suggestions and please refer the review comments on this patch.
Regards Kanagaraj M From: Jesse Pretorius [mailto:[email protected]] Sent: Thursday, February 12, 2015 1:25 PM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [nova] Priority resizing instance on same host On Thursday, February 12, 2015, Rui Chen <[email protected]<mailto:[email protected]>> wrote: Currently, resizing instance cause migrating from the host that the instance run on to other host, but maybe the current host is suitable for new flavor. Migrating will lead to copy image between hosts if no shared storage, it waste time. I think that priority resizing instance on the current host may be better if the host is suitable. The logic like this: if CONF.allow_resize_to_same_host: filte current host if suitable: resize on current host else: select a host resize on the host I don't know whether there have been some discussion about this question. Please let me know what do you think. If the idea is no problem, maybe I can register a blueprint to implement it. But the nova.conf flag for that already exists? What I would suggest, however, is that some logic is put in to determine whether the disk size remains the same while the cpu/ram size is changing - if so, then resize the instance on the host without the disk snapshot and copy. -- Jesse Pretorius mobile: +44 7586 906045 email: [email protected]<mailto:[email protected]> skype: jesse.pretorius
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