Host Login Problems; Itl Problems; Common Mismatch Problems - Cisco 9134 - MDS Multilayer Fabric Switch Troubleshooting Manual

Chapter 23 Troubleshooting SANTap
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m

Host Login Problems

Host login problems can be caused by DVT limitations, connectivity, or other issues.
To diagnose host login problems, follow these steps:
Use the show santap vttbl dvt dvt-pwwn command to display SANTap information for the DVT.
Step 1
Use the show santap vttbl dvt dvt-pwwn host-pwwn command to display SANTap information for the
Step 2
DVT and the host.
Enable logging on the appropriate SSM module.
Step 3
Issue the following debug commands:
Step 4
a.
b.
c.
Step 5 Review the logs to determine the problem and then take the appropriate corrective action.

ITL Problems

An ITL problem may occur if the number of ITLs exceeds the limitations for the version of Cisco
SAN-OS and SSI in use. For specific ITL limitations, see the
To diagnose and resolve ITL problems, follow these steps:
Use the show isapi dpp 4 queue command to display DPP queue information.
Step 1
Verify that the number of ITLs on a DPP is within the limitations for the version of Cisco SAN-OS and
Step 2
SSI in use. Use the show isapi dpp 4 queue incl LUN and show isapi dpp 4 queue count commands.
Verify that the number of ITLs on an SSM is within the limitations for the version of Cisco SAN-OS and
Step 3
SSI in use. Issue the show isapi dpp all queue command, using the incl LUN and count parameters.

Common Mismatch Problems

Problems are often caused by mismatching component versions, or using devices that are not supported
by the interoperability matrix.
The following lists common mismatch situations:
Table 23-3
Problem
Version mismatch between SSM and the RPA.
Version mismatch between the Supervisor and the
SSI image.
OL-9285-05
debug vsd vfc-felogin
debug partner 0x92810000 d1
debug partner 0x92810000 d2
Common SANTap Mismatch Problems
"Limitations" section on page 23-2
Description
The version of SSM and the version of the
replication appliance are not compatible.
The version of the Sup and the SSI image are not
compatible.
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
SANTap Issues
23-7