Transcript Getting Started

Server Virtualization:
Planning And Rollout
George Crump, Founder Storage
Switzerland
Agenda
• What is Virtualization
• Understanding Complete Virtualization
• Analyze the Business Environment
• Inventory the Physical Environment
• Analyze the Physical Environment
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Infrastructure
Workload
Planning Flowchart Continued
• Aggregate into combined environmental
Analysis
• Develop a Virtual Host Infrastructure
• Moving from Physical to Virtual
• Develop a Guest to Host Mapping
• Develop a Virtual Motion Mapping
• Design the Virtualized Environment
• Make the move
• Develop Ongoing Analysis and Mapping
Strategies
What is Virtualization?
• Why Total Virtualization
• What is Total Virtualization
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Servers
Network
Storage
Infrastructure
Virtualization Rollout Challenges
• Most relate to lack of exposure and fast
rollout initiatives
• Leads to these problems
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Slow Applications
Memory over subscription errors
IP address challenges
Incompatible Hardware
Over Virtualization on a box
Business Assessment
• Process and Application Analysis
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Multi-Tier application
Multi-Site application
Ownership
• Business Unit
• Location
• IT
• Availability
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Zero Downtime?
Virtual Machine Motion
Virtualization HA
Maintenance Windows
• Viewed from application angle or host angle
Business Assessment Continued
• Budget
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Knowing the Budget in Advance
Building the Budget based on assessment
• Skills
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What new skills need to be developed
• Software Supplier Relationships
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Licensing
Support of virtual environment
Motivation Assessment
• Why are you virtualizing?
• Server Consolidation
• Hardware flexibility
• “Green”
• Improved Efficiencies
• High Availability
• Disaster Recovery
Environment Assessment
Workload Assessment
• Basic
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One App per server
Single Network Connection
Low I/O
Local or Single Storage point
• Advanced
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Clustered Systems
Multi-Homed
High I/O
File Services -- A Unique Case
• Better Served by a NAS
• Virtual NAS Heads
• Global File Systems
Workload Analysis
• What plays well together
• Trend over the course of time
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Processor Requirements
Memory Requirements
• Cache
• Addressable Ram
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Security Requirements
Storage Requirements
IO Requirements
Developing A Workload Analysis Map
• Defines regions of compatibility and
incompatibility
• Weighting is based on
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Application Stability
Availability Requirements
Network IO
Storage IO
Processor Requirements
Develop A Virtual Host Infrastructure
• Determine the Host Population
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Budget
Number of Virtual Candidates
Number of remaining Physical
Storage Infrastructure Virtualization
• Access Protocol
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Fibre
ISCSI
NFS
• Storage Hardware
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Local Attached
SAN
NAS
Network Interface Selection
• Challenge with 1 GBE Cards
• 10 GBE
• 10 GBE cards with IOV
Infrastructure Virtualization
• Brings Virtualization capabilities to Bare
Metal Hardware
• Manages Network and Storage Connections
Server Virtualization Software Selection
• VMware
• ZEN
• Hyper-V
• Others
Server Host Hardware Understanding
• Components
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Memory
Cache
Compute
I/O Capabilities
• Host Types
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Blades
Dense U Servers
High Compute Servers
Moving From Physical To Virtual
• Allocating compute capacity
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Day to Day operations
VMotion activity
• Developing a Virtual Guest to Host Mapping
• Develop a Virtual Movement Mapping
• Design the Virtual Environment
• Define the Timeline
• Preparing the Virtual Environment
• Preparing the Physical Environment
• Migrating your Physical Move
Providing Virtualization Benefits To The
Remaining Physical Servers
• Leveraging Storage Virtualization
• Leveraging Infrastructure Virtualization
Thinking Virtual
• Understanding moveable workloads
• Compute Optimization
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Moving Workloads based on compute needs
Moving from Physical to Virtual to Physical
• Storage Optimization
• High Availability