HP StorageWorks Enterprise File Services WAN Accelerator 3.0.4 deployment guide (AG421-96001, March 2007)

HP STORAGEWORKS ENTERPRISE FILE SERVICES WAN ACCELERATOR DEPLOYMENT GUIDE 119

13 - TROUBLESHOOTING

EPLOYMENT PROBLEMS

CHAPTER 13 Troubleshooting Deployment

Problems

In This Chapter This chapter describes common deployment problems and solutions. It includes the

following sections:

 “Problem: Duplex Mismatch,” next

 “Problem: Inability to Access Files During WAN Disruption” on page 121

 “Problem: Network Asymmetry” on page 121

 “Problem: Old Anti-Virus Software” on page 124

 “Problem: Packet Ricochet” on page 124

 “Problem: Router CPU Spike After WCCP Configuration” on page 125

 “Problem: Server Message Block Signed Sessions” on page 126

 “Problem: Unavailable Opportunistic Locks” on page 129

 “Problem: Underutilized Fat Pipe” on page 130

This chapter assumes you are familiar with the installation and configuration process

for the HP EFS WAN Accelerator. For more information, see the HP StorageWorks

Enterprise File Services WAN Accelerator Installation and Configuration Guide.

This chapter also assumes you are familiar with the HP EFS WAN Accelerator

Management Console (Management Console). For more information about the

Management Console and how to use it, see the HP Enterprise File Services WAN

Accelerator Management Console User Guide.

For information on troubleshooting HP EFS WAN Accelerator installation problems,

see the HP StorageWorks Enterprise File Services WAN Accelerator Installation and

Configuration Guide.

For detailed information about the factors you must consider before you deploy the HP

EFS WAN Accelerator, see “Design and Deployment Overview” on page 17.