HP StorageWorks MSA 2.8 SAN Switch - Manual (Page 193)

193 Fabric OS Procedures Version 3.1.x/4.1.x User Guide
9
Troubleshooting
This chapter provides information on troubleshooting and the most common
procedures used to diagnose and repair issues.
This chapter provides the following information.
■ About Troubleshooting , page 194
■ Gathering Information for Technical Support , page 198
The following specific scenarios are described to provide examples of
Troubleshooting techniques:
■ Host Can Not See Target (Storage or Tape Devices) , page 199
■ Fabric Segmentation , page 203
■ Zoning Setup Issues , page 206
■ Fabric Merge Conflicts Related to Zoning , page 207
■ MQ-WRITE Error , page 209
■ I2C bus Errors , page 210
■ Device Login Issues , page 212
■ Watchdog (Best Practices) , page 216
■ Identifying Media-Related Issues , page 218
■ Link Failure , page 229
■ Marginal Links , page 234