Re: [openstack-dev] [nova] Do we need new nova configuration option to show compute nodes with shared_storage or not ?
长波， 你对oslo比较熟，能帮我看看这个问题吗， https://answers.launchpad.net/oslo.config/+question/261550 On Tue, Jan 27, 2015 at 12:13 PM, ChangBo Guo glongw...@gmail.com wrote: Hi ALL, I have been working on bug 1414432 [1] recently, I would like do more discussion before further work. I'm talking about libvirt driver( maybe fit for other hypervisor), there are two kinds of storages which are used for instance's root_disk. 1) non-shared storage on each compute nodes 2) shared storage between compute nodes 2.1 shared instance_path and root_disk (shared everything ike NFS) 2.2 shared root_disk without shared instance_path (shared volume backend like ceph) Current we check if shared storage or not in concrete actions like live-migration, evacuate, these need pass instance as argument, I think the value of hared storage or not should base on compute node, should not base on instance. So do we need new nova configuration option to show compute nodes with shared_storage or not ? benefits: 1) Don't need check for each instance while taking action 2) Can handle similar bug easily like [1] from API level. If yes, some thing like, compute-node-storage-type= [ non-shared | shared-all | shared-volume ] or part-shared In order to support some compute nodes with shared_storage, and others doesn't in one OpenStack development, another configuration shared_storage_compute_nodes =[node3, node5] Any thoughts ? [1]https://bugs.launchpad.net/nova/+bug/1414432 -- ChangBo Guo(gcb) __ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev -- Best Regards Zhang Hua(张华） Software Engineer | Canonical IRC: zhhuabj __ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
Re: [openstack-dev] [nova] Do we need new nova configuration option to show compute nodes with shared_storage or not ?
I'm sorry, my mistake due to my negligence, pls ignore my above reply. sorry. On Mon, Feb 2, 2015 at 4:04 PM, Joshua Zhang joshua.zh...@canonical.com wrote: 长波， 你对oslo比较熟，能帮我看看这个问题吗， https://answers.launchpad.net/oslo.config/+question/261550 On Tue, Jan 27, 2015 at 12:13 PM, ChangBo Guo glongw...@gmail.com wrote: Hi ALL, I have been working on bug 1414432 [1] recently, I would like do more discussion before further work. I'm talking about libvirt driver( maybe fit for other hypervisor), there are two kinds of storages which are used for instance's root_disk. 1) non-shared storage on each compute nodes 2) shared storage between compute nodes 2.1 shared instance_path and root_disk (shared everything ike NFS) 2.2 shared root_disk without shared instance_path (shared volume backend like ceph) Current we check if shared storage or not in concrete actions like live-migration, evacuate, these need pass instance as argument, I think the value of hared storage or not should base on compute node, should not base on instance. So do we need new nova configuration option to show compute nodes with shared_storage or not ? benefits: 1) Don't need check for each instance while taking action 2) Can handle similar bug easily like [1] from API level. If yes, some thing like, compute-node-storage-type= [ non-shared | shared-all | shared-volume ] or part-shared In order to support some compute nodes with shared_storage, and others doesn't in one OpenStack development, another configuration shared_storage_compute_nodes =[node3, node5] Any thoughts ? [1]https://bugs.launchpad.net/nova/+bug/1414432 -- ChangBo Guo(gcb) __ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev -- Best Regards Zhang Hua(张华） Software Engineer | Canonical IRC: zhhuabj -- Best Regards Zhang Hua(张华） Software Engineer | Canonical IRC: zhhuabj __ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
[openstack-dev] [nova] Do we need new nova configuration option to show compute nodes with shared_storage or not ?
Hi ALL, I have been working on bug 1414432 [1] recently, I would like do more discussion before further work. I'm talking about libvirt driver( maybe fit for other hypervisor), there are two kinds of storages which are used for instance's root_disk. 1) non-shared storage on each compute nodes 2) shared storage between compute nodes 2.1 shared instance_path and root_disk (shared everything ike NFS) 2.2 shared root_disk without shared instance_path (shared volume backend like ceph) Current we check if shared storage or not in concrete actions like live-migration, evacuate, these need pass instance as argument, I think the value of hared storage or not should base on compute node, should not base on instance. So do we need new nova configuration option to show compute nodes with shared_storage or not ? benefits: 1) Don't need check for each instance while taking action 2) Can handle similar bug easily like [1] from API level. If yes, some thing like, compute-node-storage-type= [ non-shared | shared-all | shared-volume ] or part-shared In order to support some compute nodes with shared_storage, and others doesn't in one OpenStack development, another configuration shared_storage_compute_nodes =[node3, node5] Any thoughts ? [1]https://bugs.launchpad.net/nova/+bug/1414432 -- ChangBo Guo(gcb) __ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
