Monitoring EVA performance in order to balance throughput .............................................................. 42
Optimizing I/O size ....................................................................................................................... 44
Summary of best practices .................................................................................................................. 45
Summary .......................................................................................................................................... 47
Glossary ........................................................................................................................................... 48
Appendix A – Using SSSU to configure the EVA .................................................................................... 50
Appendix B – Miscellaneous scripts/commands .................................................................................... 52
Setting I/O path policy ................................................................................................................... 52
Changing the default PSP ................................................................................................................ 52
Configuring the disk SCSI timeout for Windows and Linux guests......................................................... 52
Appendix C – Balancing I/O throughput between controllers.................................................................. 54
Appendix D – Caveat for data-in-place upgrades and Continuous Access EVA ......................................... 59
Appendix E – Configuring VMDirectPath I/O for Command View EVA in a VM ........................................ 61
Sample configuration ..................................................................................................................... 61
Configuring the vSphere server ........................................................................................................ 64
Configuring the array ..................................................................................................................... 71
Configuring the VM ........................................................................................................................ 71
For more information .......................................................................................................................... 74
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