6.5.1
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
- 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
- Index
overrides 85
threshold 84
DRS
creating rules 88
disable 72
fully automated 69
group power on 64
initial placement 63
load balancing 63
manual 69
migration 63
migration recommendations 66
migration thresholds 66
partially automated 69
single virtual machine power on 64
virtual machine migration 65
vMotion network 67
DRS groups
host 86
virtual machine 87
DRS clusters
adding managed hosts 73
adding unmanaged hosts 74
as resource providers 9
creating 69
managing resources with 73
prerequisites 67
processor compatibility 67
shared storage 67
shared VMFS volume 67
validity 77
dual-processor virtual machine 17
dynamic load balancing, NUMA 109
Dynamic Voltage and Frequency Scaling
(DVFS) 23
E
Enhanced vMotion Compatibility (EVC) 18, 67,
69
entering maintenance mode, host 76
Exit Standby Error 85
expandable reservations, example 60
F
fault definitions 123
faults
affinity rules 124
anti-affinity rules 124
CPU capacity 125
host inactive 125
host incorrect state 124
incompatible host 124
insufficient resources 125
insufficient capacity 124
no compatible hard affinity host 125
no compatible soft affinity host 125
non-compatible virtual machine 124
pcpus insufficient 125
soft rule violation correction disallowed 125
soft rule violation correction impact 126
virtual machine pinned 124
vMotion 125
fully automated DRS 69
G
GPU 45
grafted, resource pool 73, 74
group power-on 64
groups
DRS host 86
DRS virtual machine 87
H
home nodes, NUMA 109
host
entering maintenance mode 76
memory allocation 34
host DRS groups 86
host incorrect state 124
host issues
high cluster load 131
host not powered off 131
host not powered on 131
low cluster load 130, 131
maintenance mode 132
standby mode 132
virtual machines not moved by DRS 132
host power management, custom policy 24
host power management policies, setting 24
host problems 130
host-local swap
DRS cluster 37
standalone host 37
hosts
adding to DRS clusters 73, 74
advanced attributes 115
as resource providers 9
removing from a DRS cluster 77
virtual machine swapfile location 38
hyperthreading
and hosts 21
CPU affinity 21
disabling 19
enabling 21
performance implications 20
vSphere Resource Management
138 VMware, Inc.