Leveraging Fibre Channel SAN Infrastructure in OpenStack - Summit Highlights
Explore the significance of Fibre Channel support in OpenStack environments, detailing automated zoning, simplified zone management, and performance benefits discussed at the November 2013 OpenStack Summit in Hong Kong. The session covers initiatives and architectural aspects of FC support, emphasizing its role in enhancing storage resiliency and security.
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Presentation Transcript
OpenStack Summit; Operations Track November 7th, 2013 AsiaWorld-Expo, Hong Kong Mark Detrick Brocade & Gary Thunquest HP Taking Advantage of Fibre Channel SAN Infrastructure in OpenStack Environments
Agenda Why is FC support important? Blueprints What is planned for the Icehouse release? FC Zoning A Proof of Concept November 2013 Openstack Summit in Hong Kong 2
Why is FC support important? Leverage existing FC environments Simplified Zone Management Automatic detection of zone configuration Automatic detection of SAN context Automatic application to current active zone set No manual intervention To take advantage of FC storage benefits Performance Resiliency Security Support requirements for block storage applications November 2013 Openstack Summit in Hong Kong 3
FC Block Storage Initiatives 2 Blueprints FC Block Storage No automated zoning Blueprint approved Implemented in Grizzly FC SAN Zone Controller Blueprint Contains automated zoning Blueprint approved Coding work in progress Icehouse release November 2013 5 Openstack Summit in Hong Kong
FC Support in OpenStack Cinder Volume Manager Available in Cinder s block storage services FC Volume Driver Storage vendors specific driver FC SAN Lookup Service New: required to associate correct storage ports with compute pWWN FC Zone Manager Zone lifecycle management FC Zone Driver Fabric vendors specific driver November 2013 6 Openstack Summit in Hong Kong
FC Support with OpenStack Volume/Zone Manager Operations Nova makes a volume request to Cinder Cinder s Volume Manager gathers Initiator/Target WWN map info Volume Manager calls FC Zone Manager (zoning is enabled) FC Zone Mgr + FC Zone Driver provide initiator/target access control Cinder s Volume Mgr completes request by providing connectivity info to Nova November 2013 7 Openstack Summit in Hong Kong
FC Support in OpenStack Passes Initiator WWN to Cinder Nova Nova 16 Initialize Connection Get Device Mapping 1 Connection Info Cinder Cinder 15 Returns correlated Initiator/Target WWN map Returns Vendor Specific Implementation Initiator/Target maps for all SAN contexts Initialize Connection 4 3 2 13 FC SAN FC SAN Lookup Lookup FC Volume FC Volume Driver Driver Volume Volume Manager Manager FC Zone FC Zone Manager Manager FC Zone FC Zone Driver Driver 14 Add/Remove Connection Add/Remove Connection 5 7 8 9 10 12 Add/Remove Zone Volume Data (attach/detach) 11 6 Storage Storage Volume Volume FC SAN 8 November 2013 Openstack Summit in Hong Kong
FC Support in OpenStack Zone Lifecycle Management Operations Zoning Modes Fabric Volume Manager is responsible for configuration of zoning None Volume Manager is not responsible for configuration of zoning Manual or other automated process may be used (e.g., Peer Zoning) In an Active Zone Set Add/Update a zone Remove a zone Read/Get a zone November 2013 10 Openstack Summit in Hong Kong
FC Support with OpenStack FC Zoning Single Initiator Zoning Single initiator with multiple targets per zone Volume attach operation could result in: Adding a new zone to the active zone set Updating an existing zone already in use Single Initiator & Target Zoning Single initiator to a single target Every volume attach operation could result in a new zone Zoning for multiple FC fabrics/SANs Automatically determine the fabric/SAN context to apply zone config November 2013 Openstack Summit in Hong Kong 11
FC Support with OpenStack FC Zone Manager Zoning mode fabric and volume driver type fibre_channel Instantiates appropriate vendor specific FC Zone Driver Delegates the zoning responsibility to the proper FC Zone Driver The Brocade FC Zone Driver supports zoning for Brocade products November 2013 12 Openstack Summit in Hong Kong
OpenStack FC 3Par Reference Architecture Nova Nova Cinder Cinder FC Driver Class FC Zone Manager KVM KVM Driver Driver 3Par FC 3Par FC Driver Driver Brocade FC Zoning Driver OpenStack OpenStack Havana: Open Zoned Icehouse: Zoning Manager Servers Fibre Channel switches Storage Fibre Channel FC Failover port pair (3Par Persistent Ports) 14 November 2013 Openstack Summit in Hong Kong
Lastly Icehouse Cinder enhancements will address common FC use cases Visit the Brocade booth C43 Watch the demo & learn more Technical At a Glance Available at brocade.com/OpenStack Also available at the booth Reference architectures available Mark Detrick mdetrick@brocade.com Data Center Solutions Architect November 2013 15 Openstack Summit in Hong Kong
