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62
IBM TotalStorage FAStT600 Fibre Channel Storage Server: Installation and User's Guide
v The upgrade should be preformed 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 You must have a management connection to the controller before
attempting the upgrade because you need to use the Storage
Manager client to set the controller to certain states before replacing
it, and to verify its operating condition status.
You need to use the Storage Manager client to properly set the
controller state by completing the following steps:
1. Disable controller caching.
2. Set the controller to offline state before replacing it.
3. Set the controller to online state after inserting the new controller.
4. Verify controller operating condition status after the new controller
is brought online.
v Save the configuration/profile before upgrading.
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
and installation dates on the top of the controller unit. Figure 48 shows the location
of these items.
Ethernet address label
Levers
Figure 48. RAID controller levers and labels
For information about the RAID controller cache memory and rechargeable battery,
see "Cache memory and RAID controller battery" on page 54.
You must replace both controllers. Replace one controller at a time. To upgrade
your RAID controller, complete the following steps:
1. Open a management connection to the FAStT600 using the Storage Manager
client.
Battery-access panel (on bottom)
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