6.0.1

Table Of Contents
Checking Ethernet Switch Statistics 119
13
Managing Storage Devices 121
Storage Device Characteristics 121
Understanding Storage Device Naming 123
Storage Refresh and Rescan Operations 124
Identifying Device Connectivity Problems 126
Edit Conguration File Parameters 131
Enable or Disable the Locator LED on Storage Devices 132
14
Working with Flash Devices 133
Using Flash Devices with vSphere 134
Marking Storage Devices 134
Monitor Flash Devices 136
Best Practices for Flash Devices 136
About Virtual Flash Resource 137
Conguring Host Swap Cache 139
15
About VMware vSphere Flash Read Cache 141
DRS Support for Flash Read Cache 142
vSphere High Availability Support for Flash Read Cache 142
Congure Flash Read Cache for a Virtual Machine 142
Migrate Virtual Machines with Flash Read Cache 143
16
Working with Datastores 145
Understanding VMFS Datastores 146
Understanding Network File System Datastores 152
Creating Datastores 160
Managing Duplicate VMFS Datastores 162
Upgrading VMFS Datastores 164
Increasing VMFS Datastore Capacity 165
Administrative Operations for Datastores 167
Set Up Dynamic Disk Mirroring 174
Collecting Diagnostic Information for ESXi Hosts on a Storage Device 175
Checking Metadata Consistency with VOMA 178
Conguring VMFS Pointer Block Cache 179
17
Understanding Multipathing and Failover 183
Failover with Fibre Channel 183
Host-Based Failover with iSCSI 184
Array-Based Failover with iSCSI 186
Path Failover and Virtual Machines 187
Managing Multiple Paths 188
VMware Multipathing Module 189
Path Scanning and Claiming 191
Managing Storage Paths and Multipathing Plug-Ins 194
Scheduling Queues for Virtual Machine I/Os 202
Contents
VMware, Inc. 5