HP StorageWorks Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide (AA-RPHZF-TE, March 2004)

Troubleshooting
162 Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide
— Secure Path‚ page 180
■ Controller Replacement in a DRM Configuration‚ page 181
Preliminary Checks
Before you begin the troubleshooting procedures, verify that the hardware components have
power and are functioning properly. For help getting a terminal connection to the controller,
refer to the HP StorageWorks HSG80 ACS Solution Software Version 8.7 Installation and
Configuration Guide for your operating system. See the HP StorageWorks HSG80 Array
Controller ACS Version 8.7 Troubleshooting Reference Guide for a checklist of common
problems.
When you have determined that the hardware is working properly, issue SHOW commands to
verify that your storage sets, units, and association sets are configured correctly. Refer to the
HP StorageWorks HSG80 ACS Solution Software Version 8.7 Installation and Configuration
Guide (for your operating system) and the HP StorageWorks HSG80 Array Controller ACS
Version 8.7 Troubleshooting Reference Guide for more information. See the HP
StorageWorks Data Replication Manager HSG80 Version 8.7P Failover/Failback Procedures
Guide for information specific to DRM failures during failover and failback.
Information from the Controllers
Follow the steps in this section to acquire cabling information from the controllers.
Step 1: Issue a SHOW THIS Command
Telnet into the initiator-controller pair and issue a SHOW THIS CLI command. Table 8 shows
typical output from a SHOW THIS command and highlights in boldface the information
relevant to troubleshooting.