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a. In the Logical/Physical View of the Subsystem Management window,
right-click any of the logical drive tree node and select Change-->Cache
Settings. A Change Cache Settings window opens.
b. Click Select All to select all of the logical drives. Select the appropriate
check boxes to enable the read/write caching options that you want, then
click OK.
c. Click OK when the confirmation window opens.
Note: A progress window shows the modification progress. After the cache
setting modification completes, click OK to close the window and
return to the Subsystem Management window.
20. Verify firmware and NVSRAM. Reload the firmware and NVSRAM to the
version shipped on the Turbo option CD. Then, check the IBM Web site for any
firmware updates.
Steps for cold-swap RAID controller upgrade
Important:
v You must install the latest version of Storage Manager client software
in the management workstation or in the host server connected to
the FAStT600 that will be upgraded before you replace the old
controller with the new controller. For more information, see IBM
FAStT Storage Manager Installation and Support Guide for your
operating system, or the following Web site:
www-1.ibm.com/servers/storage/support/fastt/index.html
v Schedule downtime for the upgrade.
v The upgrade should be performed when the system is in an optimal
state. If it is not, fix the problem before attempting the upgrade. Use
the Storage Manager client to determine if the system is in an
optimal state.
v Save the configuration/profile before upgrading.
v If you have premium features enabled in the existing FAStT600
storage server, ensure that you have access to the premium features
key files before you begin this procedure. You will need to re-enable
your premium features during the procedure.
v After the new controllers complete the boot process, the WWNN of
the FAStT600 controllers will change. If you have any applications
that rely on the previous WWNNs, such as FC switch zoning
definitions, you must update the applications with the new WWNNs.
Each RAID controller fits into the back of the storage server and has the following
components:
v Battery
v Cache memory
v Two host ports and one expansion port
v One Ethernet port
v One serial port
Each RAID controller has a unique hardware Ethernet address, which is printed on
a label on the front. There is also a label giving the cache battery manufacturing
Chapter 5. Installing and replacing components
67
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