6.7

Table Of Contents
Configure Virtual Volumes 285
Provision Virtual Machines on Virtual Volumes Datastores 289
Virtual Volumes and Replication 290
Best Practices for Working with vSphere Virtual Volumes 294
Troubleshooting Virtual Volumes 298
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Filtering Virtual Machine I/O 302
About I/O Filters 302
Using Flash Storage Devices with Cache I/O Filters 305
System Requirements for I/O Filters 306
Configure I/O Filters in the vSphere Environment 307
Enable I/O Filter Data Services on Virtual Disks 309
Managing I/O Filters 310
I/O Filter Guidelines and Best Practices 312
Handling I/O Filter Installation Failures 313
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Storage Hardware Acceleration 315
Hardware Acceleration Benefits 315
Hardware Acceleration Requirements 316
Hardware Acceleration Support Status 316
Hardware Acceleration for Block Storage Devices 316
Hardware Acceleration on NAS Devices 323
Hardware Acceleration Considerations 325
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Thin Provisioning and Space Reclamation 327
Virtual Disk Thin Provisioning 327
ESXi and Array Thin Provisioning 332
Storage Space Reclamation 334
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Using vmkfstools 342
vmkfstools Command Syntax 342
The vmkfstools Command Options 343
vSphere Storage
VMware, Inc. 7