Persistent Storage for Containerized Applications
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The document discusses the benefits and significance of persistent storage for containerized applications, highlighting its role in improving software quality, reducing test cycles, and allowing easier management. It emphasizes the transition to unified orchestration and the advantages of using containerized Red Hat Gluster Storage with OpenShift for flexible, cost-effective, and dynamic storage solutions. Additionally, it outlines the differences between containerization and traditional virtualization, illustrating how containers lead to improved resource utilization and reduced operational costs.
Persistent Storage for Containerized Applications
- 1. Persistent Storage for Containerized Applications Irshad Raihan Product Marketing, Red Hat Storage
- 2. Container
- 3. Linux Containers Software packaging concept that typically includes an application and all of its runtime dependencies • Higher Quality Software Releases • Shorter Test Cycles • Easier Application Management HOST OS SERVER CONTAINER LIBS APP CONTAINER LIBS APP Benefits
- 4. Greater Portability, Automation, and Integration Code Registry Push image Code & Build Test Deploy Pull image
- 5. “Linux Containers” “Docker” Why Now?
- 6. The Road to Storage as a Service Waterfall Monolithic Bare Metal Data Center Scale Up Agile N-tier Virtual Servers Hosted ScaleOut DevOps Microservices Containers Hybrid Cloud Storage as a Service Development Model Application Architecture Deployment & Packaging Application Infrastructure Storage
- 7. Why Persistent Storage for Containers? Base: 194 IT operations and development decision-makers at enterprises inAPAC, EMEA, and NorthAmerica Source:A commissioned study conducted by ForresterConsulting on behalf of Red Hat, January 2015 “For which workloads or application use cases have you used/do you anticipate to use containers?” Scalable, Cost Effective, Distributed Storage for Containers
- 8. Driving the Future of Storage • Dedicated storage cluster for containerized and PaaS environments • Supported for OpenShift Enterprise RHGS Container • Containerized Red Hat Gluster Storage serving storage from a dedicated storage cluster • Optimized for applications running on RHEL 7, OpenShift Enterprise, and RHEL Atomic Host • Containerized Red Hat Gluster Storage inside OpenShift Enterprise hyper converged with application containers • Red Hat Gluster Storage cluster comprised of disks from multiple nodes in a container cluster Convergence of Storage and Compute Nov 2015 March 2016 Summer 2016
- 9. Container Node 1 NGINIX Container Container Node 2 NGINIX Container Dedicated Storage for Containers Container Node 1 NGINIX Container Container Node 3 MySQL Container
- 10. Containerized Red Hat Gluster Storage Container Node 1 NGINIX Container Container Node 2 NGINIX Container
- 11. Hyper Converged Storage Container NGINIX Container MASTER OpenShift Node 2 Container MySQL Container OpenShift Node 3 PostGres Container OpenShift Node 1 OpenShift Node 4 RHGS Container RHGS Container RHGS Container • LowerTCO • Unified Orchestration • Ease of Use • Greater control
- 12. BENEFITS • New agilities allowed telco to bring a new offering to market faster and cheaper than ever • Lower cost than traditional storage and avoiding an endless commitment to proprietary vendors • Flexible, geo-replicated architecture can grow and shrink dynamically • Option to be tuned for price or performance (or a blend) HYPER CONVERGED STORAGE • Applications and storage can co-exist on the same hardware • Allows for higher server utilization and lowers operational costs • Storage generates only 3%–10% overhead on compute servers Customer Success
- 13. The Red Hat Stack – From PaaS to Storage DevOpsTools and User Experience Language Runtimes and Middleware Databases and Other Services Container Orchestration and Management Container API Storage Container Host
- 14. ThankYou
- 15. Automated Configuration Single Control Plane Choice of Persistent Storage NFS iSCSI Fiber Channel Ceph RBD GlusterFS Amazon EBS GCE Storage Innovation for Containerized Applications
- 16. HOST OS, SHARED SVCS SERVER, CLOUD CONTAINER LIBS APP CONTAINER LIBS APP HOST OS SERVER VIRTUAL MACHINE LIBS APP HYPERVISOR GUEST OS VIRTUAL MACHINE LIBS APP GUEST OS SERVER LIBS APP HOST OS • Deploy in Days or Weeks • Single App Instance • Deploy in Hours or Days • 10s or 100s of Apps • Deploy in Seconds or Minutes • 100s or 1000s of Apps Bare Metal Virtualization Containers What’sThe Big Deal?
- 17. LightweightVirtualization HOST OS, SHARED SVCS SERVER, CLOUD CONTAINER LIBS APP CONTAINER LIBS APP HOST OS SERVER VIRTUAL MACHINE LIBS APP HYPERVISOR GUEST OS VIRTUAL MACHINE LIBS APP GUEST OS • Less Overhead • Faster Instantiation • Better Isolation • Easier Scale
- 18. Containers vs.Virtualization HOST OS, SHARED SVCS SERVER, CLOUD CONTAINER LIBS APP CONTAINER LIBS APP HOST OS SERVER VIRTUAL MACHINE LIBS APP HYPERVISOR GUEST OS VIRTUAL MACHINE LIBS APP GUEST OS • Abstracts OS Kernel • Limited to Linux • One CPU and memory mgr • Up in seconds • 100s or 1000s • Multiple copies of single app • Abstracts entire device • Any Operating System • Two CPU and memory mgrs • Up in hours or days • 10s or 100s • Multiple apps
- 19. Security & Compliance in the Era of Containers As illustrated by the three little pigs!
- 20. Ifone house isbroken into, therestremainsecure...a lotmoremaintenancethough! STANDALONE HOMES Bare Metal
- 21. Hypervisor,sVirtandthe hostkernelprovideseparation... butstill cost ofmaintainingseparateOSes DUPLEX HOME Virtualization
- 22. APARTMENT BUILDING Excellent sharing of services, lower cost of maintenance… But what if the front desk (kernel) is compromised? Containers