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STORAGE FOR OPENSHIFT CONTAINERS
feat. RED HAT GLUSTER STORAGE
Shawn Houston
Cloud Storage Solutions Architect
LINUX CONTAINERS:
Software packaging concept that typically includes an
application and all of its runtime dependencies
HI...
CONTAINERS V.S. VIRTUALIZATION
Containers Virtualization
• Abstracts OS Kernel
• Limited to Linux
• One CPU and memory mgr...
WHY PERSISTENT STORAGE FOR CONTAINERS?
“For which workloads or application use cases have you used/do you anticipate to us...
THE ROAD TO STORAGE AS A SERVICE
Development
Model
Application
Architecture
Deployment &
Packaging
Application
Infrastruct...
STORAGE INNOVATION FOR
CONTAINERIZED APPLICATIONS
AUTOMATED CONFIGURATION
SINGLE CONTROL PANEL
CHOICE OF PERSISTENT STORAG...
MySQL Container
CONTAINER READY STORAGE
CONTAINER NODE 1
CONTAINER NODE 2
CONTAINER NODE 1
CONTAINER NODE 3
NGINX Containe...
CONTAINERIZED RED HAT GLUSTER STORAGE
CONTAINER NODE 1
CONTAINER NODE 2
NGINX Container
NGINX Container
CONTAINERIZED
RED ...
OPENSHIFT NODE 2
CONTAINER-NATIVE STORAGE
Lower TCO
Unified Orchestration
Ease of Use
Greater control
OPENSHIFT NODE 3
OPE...
THE RED HAT STACK — FROM PAAS TO STORAGE
DevOps Tools and User Experience
Language Runtimes and Middleware
Databases and O...
CONTAINER-NATIVE STORAGE
DRIVING THE FUTURE OF STORAGE
Nov 2015 Mar 2016 Summer 2016
RHGS Container
CONVERGENCE OF STORAGE...
RED HAT GLUSTER STORAGE ADVANTAGES
OPEN
SCALABLE
ACCESSIBLE
MODULAR
ALWAYS-ON
Open, software-defined distributed file
and ...
HOW IS GLUSTER DEPLOYED?
Red Hat Gluster Storage
PHYSICAL VIRTUAL CONTAINERS CLOUD
DATA PLACEMENT BEST PRACTICE
Distributed-Replicated Volume
MOUNT POINT
Creates an fault tolerant distributed
volume by mir...
DATA PLACEMENT FOR CONTAINER NATIVE
Replicated Volume
MOUNT POINT
REPLICATED VOLUME
FILE 1
server1
BRICK
FILE 1
server2
BR...
GlusterFS NATIVE CLIENT
BASED ON FUSE KERNEL MODULE, which allows the file
system to operate entirely in userspace
SPECIFY...
A PEEK OVER THE HORIZON
Greater Integration Storage as a Microservice Storage Communities
Community Innovation
redhattechn...
THANK YOU
plus.google.com/+RedHat
linkedin.com/company/red-hat
youtube.com/user/RedHatVideos
facebook.com/redhatinc
twitte...
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Red Hat Storage Day Dallas - Storage for OpenShift Containers

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Shawn Houston, Red Hat

Published in: Technology
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Red Hat Storage Day Dallas - Storage for OpenShift Containers

  1. 1. STORAGE FOR OPENSHIFT CONTAINERS feat. RED HAT GLUSTER STORAGE Shawn Houston Cloud Storage Solutions Architect
  2. 2. 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 CONTAINER CONTAINER APP LIBS HOST OS SERVER APP LIBS BENEFITS
  3. 3. CONTAINERS V.S. VIRTUALIZATION Containers Virtualization • 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 VS
  4. 4. WHY PERSISTENT STORAGE FOR CONTAINERS? “For which workloads or application use cases have you used/do you anticipate to use containers?” Data Apps Cloud Apps Systems of Engagement Systems of Record Web and Commerce Software Mobile Apps Social Apps 77% 71% 62% 62% 57% 52% 46% Base: 194 IT operations and development decision-makers at enterprise in APAC, EMEA, and North America Source: A commissioned study conducted by Forrester Consulting on behalf of Red Hat, January 2015 Scalable, Cost Effective, Distributed Storage for Containers
  5. 5. THE ROAD TO STORAGE AS A SERVICE Development Model Application Architecture Deployment & Packaging Application Infrastructure Storage Waterfall Agile Monolithic N-tier Bare Metal Virtual Servers Data Center Hosted Scale Up Scale Out DevOps MicroServices Containers Hybrid Cloud Storage as a Service
  6. 6. STORAGE INNOVATION FOR CONTAINERIZED APPLICATIONS AUTOMATED CONFIGURATION SINGLE CONTROL PANEL CHOICE OF PERSISTENT STORAGE Ceph RBD Amazon EBS Fiber Channel GCE iSCSI NFS GlusterFS
  7. 7. MySQL Container CONTAINER READY STORAGE CONTAINER NODE 1 CONTAINER NODE 2 CONTAINER NODE 1 CONTAINER NODE 3 NGINX Container NGINX Container NGINX Container
  8. 8. CONTAINERIZED RED HAT GLUSTER STORAGE CONTAINER NODE 1 CONTAINER NODE 2 NGINX Container NGINX Container CONTAINERIZED RED HAT GLUSTER STORAGE
  9. 9. OPENSHIFT NODE 2 CONTAINER-NATIVE STORAGE Lower TCO Unified Orchestration Ease of Use Greater control OPENSHIFT NODE 3 OPENSHIFT NODE 1 RHGS Container RHGS Container OPENSHIFT NODE 4 MASTER NGINX Container NGINX Container Elasticsearch Container RHGS Container
  10. 10. THE RED HAT STACK — FROM PAAS TO STORAGE DevOps Tools and User Experience Language Runtimes and Middleware Databases and Other Services Container Orchestration and Management Container API Container Host Storage
  11. 11. CONTAINER-NATIVE STORAGE DRIVING THE FUTURE OF STORAGE Nov 2015 Mar 2016 Summer 2016 RHGS Container CONVERGENCE OF STORAGE AND COMPUTE Dedicated storage cluster for containerized and PaaS environments Supported for OpenShift Enterprise Containerized Red Hat Gluster Storage serving storage from a dedicated storage cluster Optimized for applications running on RHEL 7, OpenShift Enterprise, and RHEL Container Host Containerized Red Hat Gluster Storage inside OpenShift Container Platform hyper converged with application containers Red Hat Gluster Storage cluster comprised of disks from multiple container cluster nodes CONTAINER READY STORAGE CONTAINERIZED RHGS
  12. 12. RED HAT GLUSTER STORAGE ADVANTAGES OPEN SCALABLE ACCESSIBLE MODULAR ALWAYS-ON Open, software-defined distributed file and object storage system No Metadata Server Multi-Protocol the Same Data No Kernel Dependencies High-Availability across data, systems and applications • Based on GlusterFS open source community project • Uses proven local file system (XFS) • Data is stored in native format • Uses an elastic hashing algorithm for data placement • Uses local filesystem’s xattrs to store metadata • Nothing shared scale-out architecture • Global name space • NFS, SMB, object, HDFS, Gluster native protocol • Posix compliant • GlusterFS is based on filesystem in userspace (FUSE) • Modular stackable arch allows easy addition of features ...without being tied to any kernel versioniant • Synchronous replication with self-healing for server failure • Asynchronous geo-replication for site failure
  13. 13. HOW IS GLUSTER DEPLOYED? Red Hat Gluster Storage PHYSICAL VIRTUAL CONTAINERS CLOUD
  14. 14. DATA PLACEMENT BEST PRACTICE Distributed-Replicated Volume MOUNT POINT Creates an fault tolerant distributed volume by mirroring same file across 2 bricks FILE 1 server1 DISTRIBUTED-REPLICATED VOLUME Replicated Vol 0 Replicated Vol 1 BRICK (exp 1) FILE 1 server2 BRICK (exp 2) FILE 2 server3 BRICK (exp 3) FILE 2 server4 BRICK (exp 4)
  15. 15. DATA PLACEMENT FOR CONTAINER NATIVE Replicated Volume MOUNT POINT REPLICATED VOLUME FILE 1 server1 BRICK FILE 1 server2 BRICK server3 BRICK FILE 1
  16. 16. GlusterFS NATIVE CLIENT BASED ON FUSE KERNEL MODULE, which allows the file system to operate entirely in userspace SPECIFY MOUNT to any GlusterFS server NATIVE CLIENT fetches volfile from mount server, then communicates directly with all nodes to access data Load inherently balanced across distributed volumes Recommended for high concurrency & high write performance
  17. 17. A PEEK OVER THE HORIZON Greater Integration Storage as a Microservice Storage Communities Community Innovation redhattechnicalseries.com/storage
  18. 18. THANK YOU plus.google.com/+RedHat linkedin.com/company/red-hat youtube.com/user/RedHatVideos facebook.com/redhatinc twitter.com/RedHatNews

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