Enterprise Storage Trends Driving OpenStack Features Ed Balduf Cloud Solutions Architect SolidFire Inc. Ed.balduf@solidfire.com @madskier5

Pets, Cattle and Chickens? §  Traditional (Enterprise) infrastructure is individualized. §  Cloud native applications are transitory and disposable. §  Containers are more efficient, more numerous and more transitory than VMs.

§  Uptime responsibility shift §  Enterprise (traditional) -> Infrastructure §  Cloud and Containers -> Applications and DevOps

Enterprise Apps and IT orgs on cloud

Apps §  Monolithic §  Stateful §  Shared Storage §  Connected (LDAP, Org DB) §  Long startup times §  Multi-volume §  Active-passive

IT Organizations §  Business Driven §  Politically driven §  Cost burden (single) §  Overworked §  Hierarchical/divided §  Legacy burden §  Prized, expensive apps §  Packaged software

How do you manage it all on a modern cloud?

Protecting Legacy Apps in the Cloud

§  Live Migration §  Available in OpenStack today on both shared storage and block storage. §  Some drivers are broke.

§  Replication §  V1 in Kilo, V2 in work for Liberty.

§  Fibre Channel §  Available in OpenStack today. 24 drivers of 37 block drivers as of 8/19

§  HA connections and Multi-Attach §  HA: in process, maybe for Liberty. §  Multi-attach: Cinder -> Liberty, Nova -> Mitaka (maybe)

§  Consistency Groups §  In Juno. Only 6 drivers as of Kilo

§  Backup

Managing Enterprise in an Enterprise Cloud

§  Lack of Chargeback/lookback §  Lack of Chargeback is holding the enterprise back. §  No enforcement of what anyone uses.

§  QoS Quotas and/or Hierarchical quotas §  How to do you Quota a Group or subgroup? §  How do you extend quota s to QoS?

§  Custom catalogs §  Private Volume Types are available in Kilo.

Higher Level cloud services §  Horizon §  Heat §  Trove §  Containers

§  OpenStack is probably the place to manage volumes for containers. §  Whatever the host has, can be passed to the container §  Volume services today.

§  Kubernetes – has it’s own volume service §  Flocker is emerging as an option for HA. §  Docker enhancements proposed

“No matter how much we try to change the expectation of users to align with ‘cloud,’ they still complain when I reboot things. So I gotta have live migration.”

Summary

§  Reluctance or inability to embrace cloud software architectures is driving change §  Organizational structures are challenging

§  Lack of chargeback/lookback

§  OpenStack is changing to meet the demands §  Much of what is needed is there already §  Mitaka will see much of the remainder §  ‘N’ will hopefully have the remainder

§  Containers do not have special interaction with storage. §  Other mechanisms will have to manage storage for containers(OpenStack).

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