Chapter 4. Operating the storage subsystem

This chapter describes operating procedures for the DS4700 Express.

To ensure optimal operation of your system, see “Best practices guidelines” on page 5

Performing the DS4000 Health Check process

The DS4000 Health Check process is a sequence of suggested actions developed by IBM to help users verify and maintain the optimal performance of their DS4000 storage configurations. The information that you collect in these steps also helps provide IBM Service with important information needed for problem troubleshooting during IBM Service calls.

Perform the following Health Check tasks after the initial configuration of your DS4000 Storage Subsystem, and after all configuration sessions. It is also recommended that you set a regular schedule of periodic Health Check evaluations in order to keep your DS4000 code current and to preserve optimal data access and performance.

1.Monitor the Recovery Guru in the Storage Manager client for any obvious storage subsystem errors or problem conditions.

2.Gather and save the following DS4000 storage subsystem event logs for review by IBM Service. These event logs should be gathered periodically for regular Health Check monitoring regardless of the state of the Recovery Guru. (You can collect all these logs at once and zip them into a single file by clicking

Advanced Troubleshooting Collect All Support Data in the DS4000

Storage Manager Subsystem Management window.)

vDS4000 storage subsystem management event log (MEL)

vStorage Subsystem Profile or DS4000 Profile

vRead-Link Status (RLS) data

In addition, you should also collect event logs for the host servers that have mapped logical drives from the storage subsystem.

Attention: Save these event log files to a server disk that will remain accessible in the event of a DS4000 storage configuration failure. Do not save these event log files only to a LUN in the DS4000 Storage Subsystem.

3.Use the Storage Subsystem Profile or DS4000 Profile to verify that the following firmware levels are at the latest versions supported for your DS4000 storage subsystem:

v Controller firmware

vESM firmware

vDrive firmware

If you discover your firmware is not up-to-date, upgrade the firmware and software to the latest level appropriate to your DS4000 storage configuration. See “Web pages” on page 118 for information about where to find the latest firmware and software.

Attention: You must resolve Recovery Guru errors or problems before upgrading firmware.

© Copyright IBM Corp. 2010

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IBM DS4700 manual Operating the storage subsystem, Performing the DS4000 Health Check process