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© 2014
FOUR LEVELS OF HA IN CLOUD FOUNDRY
Cornelia Davis  @cdavisafc  cdavis@gopivotal.com
I work on a PaaS…
“For us, PaaS is a set of services aimed at
developers that helps them develop and test apps
without having to worry about the underlying
infrastructure. Developers don't want to have to
worry about provisioning the servers, storage and
backup associated with developing and launching
an app.”
[1] http://www.javaworld.com/article/2078801/java-app-dev/forrester--paas-makes-developers-happy.html
[2] http://www.infoworld.com/d/cloud-computing/paas-primer-what-platform-service-and-why-does-it-matter-212696
I work on a PaaS…
“For us, PaaS is a set of services aimed at
developers that helps them develop and test apps
without having to worry about the underlying
infrastructure. Developers don't want to have to
worry about provisioning the servers, storage and
backup associated with developing and launching
an app.”
[1] http://www.javaworld.com/article/2078801/java-app-dev/forrester--paas-makes-developers-happy.html
[2] http://www.infoworld.com/d/cloud-computing/paas-primer-what-platform-service-and-why-does-it-matter-212696
Application Instances and Availability Zones
Router
DEA
DEA
DEA
Cloud Foundry
Elastic Runtime
DEA
DEA
DEA
Zone 1 Zone 2
App Ops
Application Instances and Availability Zones
Router
DEA
DEA
DEA
Cloud Foundry
Elastic Runtime
DEA
DEA
DEA
Zone 1 Zone 2 Application instances
are evenly distributed
over two availability
zones.
App Ops
Application Instances and Availability Zones
Router
DEA
DEA
DEA
Cloud Foundry
Elastic Runtime
DEA
DEA
DEA
Zone 1 Zone 2 Application instances
are evenly distributed
over two availability
zones.
Loosing an AZ keeps
instances running and
available.
App Ops
Router
Failed Application Instances Replaced
Blobstore
Cloud
Controller
Health Manager
Messaging
(NATS)
DEA DEA DEA
App Ops
Cloud Foundry
Elastic Runtime
Router
Failed Application Instances Replaced
Blobstore
Cloud
Controller
Health Manager
Actual State
Messaging
(NATS)
DEA DEA DEA
App Ops
Cloud Foundry
Elastic Runtime
Router
Failed Application Instances Replaced
Blobstore
Cloud
Controller
Health Manager
Actual StateDesired State
Messaging
(NATS)
DEA DEA DEA
App Ops
Cloud Foundry
Elastic Runtime
Router
Failed Application Instances Replaced
Blobstore
Cloud
Controller
Health Manager
Actual StateDesired State
Messaging
(NATS)
DEA DEA DEA
App Ops
Cloud Foundry
Elastic Runtime
Router
Failed Application Instances Replaced
Blobstore
Cloud
Controller
Health Manager
Actual StateDesired State
Messaging
(NATS)
DEA DEA DEA
App Ops
Cloud Foundry
Elastic Runtime
Message Bus
ERS Processes are Monitored
IaaSCloud Foundry BOSH
Health Monitor
Health Manager
DEA
Cloud Controller
Responders:
pager
email
monitoring
…
PaaS Ops
Message Bus
ERS Processes are Monitored
IaaSCloud Foundry BOSH
Health Monitor
Health Manager
DEA
Cloud Controller
Responders:
pager
email
monitoring
…
PaaS Ops
Message Bus
ERS Processes are Monitored
IaaSCloud Foundry BOSH
Health Monitor
Health Manager
DEA
Cloud Controller
Responders:
pager
email
monitoring
…
PaaS Ops
Message Bus
VMs are Monitored
IaaS
Health Monitor
Health Manager
Cloud Controller
DEA
Responders:
pager
email
monitoring
resurrector
…
BOSH Director
Actual State
DEA
PaaS Ops
Cloud Foundry BOSH
Message Bus
VMs are Monitored
IaaS
Health Monitor
Health Manager
Cloud Controller
DEA
Responders:
pager
email
monitoring
resurrector
…
BOSH Director
Actual State
DEA
PaaS Ops
Cloud Foundry BOSH
Desired State
Message Bus
VMs are Monitored
IaaS
Health Monitor
Health Manager
Cloud Controller
DEA
Responders:
pager
email
monitoring
resurrector
…
BOSH Director
Actual StateDesired State
PaaS Ops
Cloud Foundry BOSH
Message Bus
VMs are Monitored
IaaS
Health Monitor
Health Manager
Cloud Controller
Responders:
pager
email
monitoring
resurrector
…
BOSH Director
(CPI)
Actual StateDesired State
DEA
PaaS Ops
Cloud Foundry BOSH
Four levels of HA in PCF
Elastic Runtime (ERS):
 Distribution across availability zones
 Application health management and recovery
BOSH (cluster management):
 Process monitoring, recovery and alerting
 Virtual machine health monitoring, recovery and
alerting
Too slow for you?
How about <28 seconds?
http://blog.gopivotal.com/cloud-foundry-pivotal/products/the-four-levels-of-ha-in-pivotal-cf
@cdavisafc
© 2014

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Four Levels of High Availability in Cloud Foundry (Cloud Foundry Summit 2014)

  • 2. FOUR LEVELS OF HA IN CLOUD FOUNDRY Cornelia Davis  @cdavisafc  cdavis@gopivotal.com
  • 3. I work on a PaaS… “For us, PaaS is a set of services aimed at developers that helps them develop and test apps without having to worry about the underlying infrastructure. Developers don't want to have to worry about provisioning the servers, storage and backup associated with developing and launching an app.” [1] http://www.javaworld.com/article/2078801/java-app-dev/forrester--paas-makes-developers-happy.html [2] http://www.infoworld.com/d/cloud-computing/paas-primer-what-platform-service-and-why-does-it-matter-212696
  • 4. I work on a PaaS… “For us, PaaS is a set of services aimed at developers that helps them develop and test apps without having to worry about the underlying infrastructure. Developers don't want to have to worry about provisioning the servers, storage and backup associated with developing and launching an app.” [1] http://www.javaworld.com/article/2078801/java-app-dev/forrester--paas-makes-developers-happy.html [2] http://www.infoworld.com/d/cloud-computing/paas-primer-what-platform-service-and-why-does-it-matter-212696
  • 5. Application Instances and Availability Zones Router DEA DEA DEA Cloud Foundry Elastic Runtime DEA DEA DEA Zone 1 Zone 2 App Ops
  • 6. Application Instances and Availability Zones Router DEA DEA DEA Cloud Foundry Elastic Runtime DEA DEA DEA Zone 1 Zone 2 Application instances are evenly distributed over two availability zones. App Ops
  • 7. Application Instances and Availability Zones Router DEA DEA DEA Cloud Foundry Elastic Runtime DEA DEA DEA Zone 1 Zone 2 Application instances are evenly distributed over two availability zones. Loosing an AZ keeps instances running and available. App Ops
  • 8. Router Failed Application Instances Replaced Blobstore Cloud Controller Health Manager Messaging (NATS) DEA DEA DEA App Ops Cloud Foundry Elastic Runtime
  • 9. Router Failed Application Instances Replaced Blobstore Cloud Controller Health Manager Actual State Messaging (NATS) DEA DEA DEA App Ops Cloud Foundry Elastic Runtime
  • 10. Router Failed Application Instances Replaced Blobstore Cloud Controller Health Manager Actual StateDesired State Messaging (NATS) DEA DEA DEA App Ops Cloud Foundry Elastic Runtime
  • 11. Router Failed Application Instances Replaced Blobstore Cloud Controller Health Manager Actual StateDesired State Messaging (NATS) DEA DEA DEA App Ops Cloud Foundry Elastic Runtime
  • 12. Router Failed Application Instances Replaced Blobstore Cloud Controller Health Manager Actual StateDesired State Messaging (NATS) DEA DEA DEA App Ops Cloud Foundry Elastic Runtime
  • 13. Message Bus ERS Processes are Monitored IaaSCloud Foundry BOSH Health Monitor Health Manager DEA Cloud Controller Responders: pager email monitoring … PaaS Ops
  • 14. Message Bus ERS Processes are Monitored IaaSCloud Foundry BOSH Health Monitor Health Manager DEA Cloud Controller Responders: pager email monitoring … PaaS Ops
  • 15. Message Bus ERS Processes are Monitored IaaSCloud Foundry BOSH Health Monitor Health Manager DEA Cloud Controller Responders: pager email monitoring … PaaS Ops
  • 16. Message Bus VMs are Monitored IaaS Health Monitor Health Manager Cloud Controller DEA Responders: pager email monitoring resurrector … BOSH Director Actual State DEA PaaS Ops Cloud Foundry BOSH
  • 17. Message Bus VMs are Monitored IaaS Health Monitor Health Manager Cloud Controller DEA Responders: pager email monitoring resurrector … BOSH Director Actual State DEA PaaS Ops Cloud Foundry BOSH Desired State
  • 18. Message Bus VMs are Monitored IaaS Health Monitor Health Manager Cloud Controller DEA Responders: pager email monitoring resurrector … BOSH Director Actual StateDesired State PaaS Ops Cloud Foundry BOSH
  • 19. Message Bus VMs are Monitored IaaS Health Monitor Health Manager Cloud Controller Responders: pager email monitoring resurrector … BOSH Director (CPI) Actual StateDesired State DEA PaaS Ops Cloud Foundry BOSH
  • 20. Four levels of HA in PCF Elastic Runtime (ERS):  Distribution across availability zones  Application health management and recovery BOSH (cluster management):  Process monitoring, recovery and alerting  Virtual machine health monitoring, recovery and alerting
  • 21. Too slow for you? How about <28 seconds? http://blog.gopivotal.com/cloud-foundry-pivotal/products/the-four-levels-of-ha-in-pivotal-cf @cdavisafc