brighttalk---openshift-virtualization_-migration-methodology_981043.pdf

Openshift

1. Migration Methodology
Red Hat OpenShift
Virtualization
Matt Witzenman
OpenShift Practice Lead
1

2. 2
OpenShift virtualization update
▸OpenShift Virtualization Overview
▸Migration Methodology
▸Migration at Scale
Agenda

3. CONFIDENTIAL
OpenShift Virtualization Overview
What is OpenShift
Virtualization?

4. Red Hat Open Hybrid Cloud Platform
• Service mesh | Serverless
• Builds | CI/CD pipelines
• GitOps | Distributed Tracing
• Log management
• Cost management
• Languages and runtimes
• API management
• Integration
• Messaging
• Process automation
• Databases | Cache
• Data ingest and preparation
• Data analytics
• AI/ML
• Developer CLI | IDE
• Plugins and extensions
• CodeReady workspaces
• CodeReady containers
Developer services
Developer productivity
Kubernetes cluster services
Install | Over-the-air updates | Networking | Ingress | Storage | Monitoring | Log forwarding | Registry | Authorization | Containers | VMs | Operators | Helm
Linux (container host operating system)
Kubernetes (orchestration)
Physical Virtual Private cloud Public cloud Edge
Cluster security Global registryMulticluster management
Data services*
Data-driven insights
Application services*
Build cloud-native apps
Platform services
Manage workloads
* Red Hat OpenShift® includes supported runtimes for popular languages/frameworks/databases. Additional capabilities listed are from the Red Hat Application Services and Red Hat Data Services portfolios.
** Disaster recovery, volume and multicloud encryption, key management service, and support for multiple clusters and off-cluster workloads requires OpenShift Data Foundation Advanced
Observability | Discovery | Policy | Compliance |
Configuration | Workloads
Image management | Security scanning |
Geo-replication Mirroring | Image builds
Declarative security | Container vulnerability
management | Network segmentation |
Threat detection and response
RWO, RWX, Object | Efficiency |
Performance | Security | Backup |
DR Multicloud gateway**
Cluster data management
Solution Focus

5. 5
Red Hat OpenShift Virtualization
Red Hat
OpenShift Virtualization
Red Hat OpenShift
Container Platform
Red Hat Enterprise Linux
Physical machine
VMs Containers
▸Included capability
of the Red Hat OpenShift application platform
▸Built on KubeVirt
Top 10 CNCF active project
▸Unified application platform
Consistent management, tooling,
diverse ecosystem
▸Performance and stability
The industry standard Kernel Virtual
Machine (KVM) hypervisor
▸Includes Red Hat Enterprise Linux
guest entitlements
▸Supports Microsoft Windows guests
Microsoft Server Virtualization Validation
Program (SVVP)
Modern virtualization option for general purpose virtualization customers

6. Containers are not virtual machines
6
Infrastructure
Operating System
App 1 App 3App 2
Hypervisor
Guest
OS
Guest
OS
Guest
OS
Infrastructure
Virtualization Containerization
App 1 App 3App 2
●Containers are process isolation
●Kernel namespaces provide isolation and
cgroups provide resource controls
●No hypervisor needed for containers
●Contain only binaries, libraries, and tools
which are needed by the application
●Ephemeral

7. Virtual machines can be put into containers
7
●A KVM virtual machine is a process
●Containers encapsulate processes
●Both have the same underlying
resource needs:
○Compute
○Network
○(sometimes) Storage

8. OpenShift Virtualization
8
●Virtual machines
○Running in containers, managed as Pods
○Using the KVM hypervisor
●Scheduled, deployed, and managed by Kubernetes
●Integrated with container orchestrator resources and
services
○Traditional Pod-like SDN connectivity and/or
connectivity to external VLAN and other networks
via multus
○Persistent storage paradigm
(PVC, PV, StorageClass)

9. OpenShift Virtualization uses KVM
9
●OpenShift Virtualization uses KVM, the Linux kernel
hypervisor
●KVM is a core component of the Red Hat Enterprise
Linux kernel
○KVM has 10+ years of production use: Red Hat
Virtualization, Red Hat OpenStack Platform, and
RHEL all leverage KVM, QEMU, and libvirt
●QEMU uses KVM to execute virtual machines
●libvirt provides a management abstraction layer
●Currently supported on x86 bare metal
●For other platforms contact Product Management for
roadmap
HARDWARE
RHCOS
KVM
CPU/RAM STORAGE NETWORK
DRIVER DRIVER DRIVER
OTHER APPS
QEMU
libvirt

10. Containerized virtual machines
10
Kubernetes resources
●Every VM runs in a launcher pod. The launcher process will
supervise, using libvirt, and provide pod integration.

Red Hat Enterprise Linux
●libvirt and qemu from RHEL are mature, have high
performance, provide stable abstractions, and have a minimal
overhead.

Security - Defense in depth
●RHCOS has controlled configuration by default, SELinux MCS,
plus KVM isolation - inherited from the Red Hat portfolio stack
Storage

Network

CPU

Memory

Device

11. Using VMs and containers together
11
●Virtual machines connected to SDN
networks are accessible using standard
Kubernetes methods:
○Service, Route, Ingress
○Service Mesh
○Pipelines
●Network policies apply to VM pods the same
as application pods
●VM-to-Pod, and vice-versa, communication
happens over SDN or ingress depending on
network connectivity

12. Cloud native
12
Modernize at your own pace
Infrastructure modernization DevOps and modernizationLegacy virtualization
Apps in VMsApps in VMs Apps in VMs or containers
Slow evolution
Increasing costs
Developer productivity
Cloud elasticity
and scalability
Reduce operating cost
Increase IT efficiency
and reliability
Innovate at speed
Higher annual revenue
Increased developer
output
Speed of Infrastructure Deployment | Speed of Application Development
Direct path to cloud
native
Migrate

13. CONFIDENTIAL
OpenShift Virtualization Overview
Migration
Methodology

14. What specific targets are we trying to address?
14
What pain points are present today that
we want to focus on resolving?




Accelerating Planning
Pain Points
How can Red Hat work with you to devise
a longer term plan for virtualization?

Timelines and Objectives
Current plans and discussion
What commitments and objectives are
we marching toward for migration based
on the planned General Availability date?

15. Whether for strategy,
implementation, migration or
operational advice, Red Hat
Services meets customers where
they are on their infrastructure
modernization journey, enabling
them to migrate and manage their
virtual machines with OpenShift
Virtualization.

Customers can preserve their
existing infrastructure and vm
investments while taking
advantage of the simplicity and
speed of a comprehensive hybrid
cloud platform.

Training Focus: DO180, DO280
and DO316
OpenShift Virtualization - Services Journey Map

16. Discovery
1.5 hours
Assessment
Workshops
1 week
Roadmap
Review
1 hour
OpenShift
Virtualization
Pilot
16
What We Cover
●Virtual environment current state
●Deep dives into virtualization use cases
●Hybrid cloud and edge strategy
●Platform management & security strategy
●Environment monitoring and observability
●Backup and disaster recovery
●Pilot identification and plan for scaling
migration
Our Assessment Approach
Outcomes
●Smarter adoption through a clear path to pilot
and business value realization
●Expertly-leveraged capabilities supported
with high-level recommendations and design
considerations
●Faster time-to-value by embarking on a
customer journey with Red Hat Services

17. CONFIDENTIAL
OpenShift Virtualization Overview
Migration at Scale

18. Main Features:
●Easy to use UI
●Mass migration of VMs from VMware, Red Hat
Virtualization and OpenStack to OpenShift and
between OpenShift Clusters
●VM data pre-copied before shutdown (Warm
Migration) for VMware and RHV migrations
●VM validation service: Run checks on VM
configuration to avoid migration issues
●Parallelized VM conversion
○Maximize throughput
●Migration Network Selection
○Avoid impact on other running workloads
Migration Toolkit for Virtualization

19. VM
VM
0
1
2
VM
VM
VMware vSphere
Red Hat OpenShift
Virtualization
Ansible Automation Platform
Discover & Analyze Automate & Orchestrate
Existing
Steadystate
Migrate
Migration Toolkit for
Virtualization
Day-2 Operations &
Ongoing Management
Compute
Network
Storage
VM
VM
VM
VM
A
Network
Compute
ITSM
e.g. ServiceNow
Events
e.g. Kafka, Prometheus,
Dynatriace
Migration Factory Overview

20. 20
OpenShift virtualization update
OpenShift Virtualization Series
▸4/17 - Overview
▸5/14 - Migration Methodology
▸5/29 - Technical Deep Dive
Join us for more!

21. linkedin.com/company/red-hat
youtube.com/OpenShift
facebook.com/redhatinc
twitter.com/Openshift
21
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