6.7
Table Of Contents
- vSphere Resource Management
- Contents
- About vSphere Resource Management
- Getting Started with Resource Management
- Configuring Resource Allocation Settings
- CPU Virtualization Basics
- Administering CPU Resources
- Memory Virtualization Basics
- Administering Memory Resources
- Persistent Memory
- Configuring Virtual Graphics
- 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
Configuring DRS with Virtual Flash 75
Create a Cluster 76
Edit Cluster Settings 76
Set a Custom Automation Level for a Virtual Machine 78
Disable DRS 79
Restore a Resource Pool Tree 79
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Using DRS Clusters to Manage Resources 81
Adding Hosts to a Cluster 81
Adding Virtual Machines to a Cluster 83
Removing Virtual Machines from a Cluster 83
Removing a Host from a Cluster 84
DRS Cluster Validity 86
Managing Power Resources 91
Using DRS Affinity Rules 96
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Creating a Datastore Cluster 102
Initial Placement and Ongoing Balancing 103
Storage Migration Recommendations 103
Create a Datastore Cluster 104
Enable and Disable Storage DRS 104
Set the Automation Level for Datastore Clusters 105
Setting the Aggressiveness Level for Storage DRS 105
Datastore Cluster Requirements 107
Adding and Removing Datastores from a Datastore Cluster 107
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Using Datastore Clusters to Manage Storage Resources 109
Using Storage DRS Maintenance Mode 109
Applying Storage DRS Recommendations 111
Change Storage DRS Automation Level for a Virtual Machine 112
Set Up Off-Hours Scheduling for Storage DRS 112
Storage DRS Anti-Affinity Rules 113
Clear Storage DRS Statistics 117
Storage vMotion Compatibility with Datastore Clusters 117
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Using NUMA Systems with ESXi 119
What is NUMA? 119
How ESXi NUMA Scheduling Works 120
VMware NUMA Optimization Algorithms and Settings 121
Resource Management in NUMA Architectures 123
Using Virtual NUMA 123
Specifying NUMA Controls 124
vSphere Resource Management
VMware, Inc. 5