Web Pages; Hardware Responsibilities - IBM DS4800 User, Installation And Maintenance Manual

4. Use the Storage Subsystem Profile or DS4000 Profile to verify that the following

Web pages

IBM maintains pages on the World Wide Web where you can get the latest
technical information and download device drivers and updates.
For DS4000 information, go to the following Web site:
www.ibm.com/servers/storage/support/disk/
For the latest information about operating system and HBA support, clustering
support, SAN fabric support, and Storage Manager feature support, see the
TotalStorage DS4000 Interoperability Matrix at the following Web site:
www.ibm.com/servers/storage/disk/ds4000/interop-matrix.html

Hardware responsibilities

In addition to the Health Check steps described above, regular hardware inspection
and maintenance helps to support the optimal performance of your DS4000 storage
configuration. You should periodically inspect the Fibre Channel components of your
DS4000 storage configuration.
IBM suggests you follow these guidelines:
v Maintain an up-to-date storage subsystem profile for your DS4000 storage
v Develop a Change Management plan. The plan should include schedules for
v Use IBM-approved Fibre Channel cables for all situations. Note in your
v Create and maintain a cabling diagram of the current SAN configuration. Keep
v Create and maintain a list of other components that are being used within the
v Ensure that all ESMs are properly seated.
v Ensure that all drives are properly seated.
v Ensure that all SFP modules are properly seated.
to version 6.x might also require host software updates, such as RDAC
updates and HBA driver updates. Refer to the IBM DS4000 Web site for
detailed instructions.
functions are enabled:
v For all DS4000 models, Media Scan should be enabled both at the controller
level and at the LUN level.
v For all DS4000 models, the read/write cache should be enabled. In addition,
use the Storage Subsystem Profile to verify that cache is matched between
the controllers.
configuration. Save the profile to a server disk that will remain accessible in case
of a DS4000 storage configuration failure. Do not save the profile only to a LUN
in the DS4000 Storage Subsystem.
updating subsystem firmware and server host software.
Note: Some updates might require storage subsystem downtime.
configuration documentation whether any cables are not IBM-approved.
this diagram updated as you make configuration changes, and keep the cabling
diagram available for review.
cabling diagram (such as the host system, Fibre Channel switches, and other
SAN attachments).
Chapter 4. Operating the storage subsystem
95