6.0.1
Table Of Contents
- vSphere Resource Management
- Contents
- About vSphere Resource Management
- Updated Information
- Getting Started with Resource Management
- Configuring Resource Allocation Settings
- CPU Virtualization Basics
- Administering CPU Resources
- Memory Virtualization Basics
- Administering Memory Resources
- View Graphics Information
- Managing Storage I/O Resources
- Managing Resource Pools
- Creating a DRS Cluster
- Using DRS Clusters to Manage Resources
- Creating a Datastore Cluster
- Initial Placement and Ongoing Balancing
- Storage Migration Recommendations
- Create a Datastore Cluster
- Enable and Disable Storage DRS
- Set the Automation Level for Datastore Clusters
- Setting the Aggressiveness Level for Storage DRS
- Datastore Cluster Requirements
- Adding and Removing Datastores from a Datastore Cluster
- Using Datastore Clusters to Manage Storage Resources
- Using NUMA Systems with ESXi
- Advanced Attributes
- Fault Definitions
- Virtual Machine is Pinned
- Virtual Machine not Compatible with any Host
- VM/VM DRS Rule Violated when Moving to another Host
- Host Incompatible with Virtual Machine
- Host has Virtual Machine that Violates VM/VM DRS Rules
- Host has Insufficient Capacity for Virtual Machine
- Host in Incorrect State
- Host has Insufficient Number of Physical CPUs for Virtual Machine
- Host has Insufficient Capacity for Each Virtual Machine CPU
- The Virtual Machine is in vMotion
- No Active Host in Cluster
- Insufficient Resources
- Insufficient Resources to Satisfy Configured Failover Level for HA
- No Compatible Hard Affinity Host
- No Compatible Soft Affinity Host
- Soft Rule Violation Correction Disallowed
- Soft Rule Violation Correction Impact
- DRS Troubleshooting Information
- Cluster Problems
- Load Imbalance on Cluster
- Cluster is Yellow
- Cluster is Red Because of Inconsistent Resource Pool
- Cluster is Red Because Failover Capacity is Violated
- No Hosts are Powered Off When Total Cluster Load is Low
- Hosts are Powered Off When Total Cluster Load is High
- DRS Seldom or Never Performs vMotion Migrations
- Host Problems
- DRS Recommends Host be Powered On to Increase Capacity When Total Cluster Load Is Low
- Total Cluster Load Is High
- Total Cluster Load Is Low
- DRS Does Not Evacuate a Host Requested to Enter Maintenance or Standby Mode
- DRS Does Not Move Any Virtual Machines onto a Host
- DRS Does Not Move Any Virtual Machines from a Host
- Virtual Machine Problems
- Cluster Problems
- Index
Contents
About vSphere Resource Management 7
Updated Information 9
1
Getting Started with Resource Management 11
Resource Types 11
Resource Providers 11
Resource Consumers 12
Goals of Resource Management 12
2
Configuring Resource Allocation Settings 13
Resource Allocation Shares 13
Resource Allocation Reservation 14
Resource Allocation Limit 14
Resource Allocation Settings Suggestions 15
Edit Resource Settings 15
Changing Resource Allocation Settings—Example 16
Admission Control 17
3
CPU Virtualization Basics 19
Software-Based CPU Virtualization 19
Hardware-Assisted CPU Virtualization 20
Virtualization and Processor-Specific Behavior 20
Performance Implications of CPU Virtualization 20
4
Administering CPU Resources 21
View Processor Information 21
Specifying CPU Configuration 21
Multicore Processors 22
Hyperthreading 22
Using CPU Affinity 24
Host Power Management Policies 25
5
Memory Virtualization Basics 29
Virtual Machine Memory 29
Memory Overcommitment 30
Memory Sharing 30
Types of Memory Virtualization 31
6
Administering Memory Resources 35
Understanding Memory Overhead 35
VMware, Inc.
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