[openstack-dev] [cinder]The backend-group concept in Cinder

2016-05-18 Thread chenying
Hi all: I want to know whether the backend-group concept have been discussed or have other recommendations to us? The backend-group concept means can be regarded as a mechanism to manage same type cinder backends . (backend-group concept like nova Aggregate. The Falvor in Nova

Re: [openstack-dev] [cinder]The backend-group concept in Cinder

2016-05-18 Thread John Griffith
On Wed, May 18, 2016 at 9:45 PM, chenying wrote: > Hi all: > I want to know whether the backend-group concept have been > discussed or have other recommendations to us? > The backend-group concept means can be regarded as a mechanism to > manage same type cinder backends . > ​So

Re: [openstack-dev] [cinder]The backend-group concept in Cinder

2016-06-14 Thread chen ying
Hi John, User case 1: The backends in backend-group-1 have SSD disk, more memory . The backend-group-1 can provide higher performance to user. The other backends in backend-group-2 have HHD disk, more capacity. The backend-group-2 can provide more storage space to u

Re: [openstack-dev] [cinder]The backend-group concept in Cinder

2016-06-14 Thread Duncan Thomas
As long as each backend has a unique name, you can key the type to a list of backend names if there's no useful capabilities to key off. No restart required. On 14 June 2016 at 10:16, chen ying wrote: > Hi John, > > > > User case 1: > The backends in backend-group-1 have SSD disk,

Re: [openstack-dev] [cinder]The backend-group concept in Cinder

2016-06-14 Thread chen ying
cinder]The backend-group concept in Cinder As long as each backend has a unique name, you can key the type to a list of backend names if there's no useful capabilities to key off. No restart required. On 14 June 2016 at 10:16, chen ying mailto:chenying...@outlook.com>> wrote: Hi Joh

Re: [openstack-dev] [cinder]The backend-group concept in Cinder

2016-06-15 Thread Erlon Cruz
2016年6月14日 8:03 > *收件人:* OpenStack Development Mailing List (not for usage questions) > *主题:* Re: [openstack-dev] [cinder]The backend-group concept in Cinder > > As long as each backend has a unique name, you can key the type to a list > of backend names if there's no useful ca