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
Index
A
admission control
CPU 23
resource pools 60
with expandable resource pools 61
advanced attributes
hosts 115
memory 116
NUMA 117
Storage I/O Control 53
virtual machines 118, 120
virtual NUMA 119
affinity rules
creating 88, 89
intra-VM 103
Storage DRS 101
alarms 85
AMD Opteron-based systems 107, 117
anti-affinity rules 124
applications
CPU-bound 18
single-threaded 18
automation level
datastore clusters 93
Storage DRS 100
virtual machines 71
B
ballooning, memory 36
Baseboard Management Controller (BMC) 82
C
cluster, host inactive 125
cluster issues
cluster load high 129
DRS does not vMotion 129
host not powered off 129
hosts power off 129
load imbalance 127
low cluster load 129
red cluster because failover capacity
violated 128
red cluster because inconsitent resource
pool 128
yellow cluster 128
cluster problems 127
cluster settings
affinity rules 88, 89
virtual machine swapfile location 39
clustering, datastores 91, 96
clusters, creating 68
congestion threshold 53
correcting error isolation 43
CPU
admission control 23
managing allocation 17, 19
overcommitment 17
CPU resources, editing 13
CPU virtualization
hardware-assisted 18
software-based 17
CPU affinity
hyperthreading 21
NUMA nodes 112
potential issues 23
CPU capacity insufficient 125
CPU configuration 19
CPU power efficiency 23
CPU-bound applications 18
creating, clusters 68
custom automation mode, DRS 71
D
datastore clusters
about 91
adding datastores 96
as resource providers 9
automation level 93
creating 92–94
maintenance mode 97
removing datastores 96
datastores
compatibility 95
maintenance mode 97
Distributed Power Management, See DPM
DPM
and admission control 15
automation level 84
enabling 84
Last Time Exited Standby 85
monitoring 85
VMware, Inc. 137