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4. Start the command-line interface; then, enter the following command to change
controller A from simplex (single-controller) mode to duplex (dual-controller)
mode:
Smcli ctlr_A_IP_address -c "set storageSubsystem redundancyMode=duplex;"
5. Shut down the storage subsystem, and then start it again (see “Turning on the
storage subsystem” on page 46). If controller A was successfully converted to
duplex mode, the subsystem reports an alternate controller missing error
message. If the error message is not reported, reinstall the new dual-controller
NVSRAM on controller A and repeat steps 4 through 5.
6. Unpack the new controller. Save all packing materials in case you have to
return a controller.
7. If controller A contains an optional SAS host port adapter, install an identical
optional SAS host port adapter in the new controller. See “Installing an optional
SAS host port adapter” on page 69 for instructions.
8. Remove the controller filler panel from the controller B bay:
a. On the left side of the filler panel, press the orange release tab to the right
just enough to release the handle; then, rotate the handle upward.
b. Slowly pull the handle away from the chassis to remove the filler panel
from the bay, as shown in Figure 39.
c. Place the filler panel in a safe place for future use.
9. Install the new controller.
Note: The following illustration shows installing controller A. Be sure to install
the new controller in the rightmost bay, as controller B.
a. Slide the controller into the empty controller bay in the storage subsystem.
Make sure that the handle is pulled straight out as you slide the controller
into the bay.
b. Make sure that the guide pins on the side of the controller fit into the
notches on the DS3200 chassis. See Figure 39.
c. After the guide pins fit into the notches and the controller fits snugly into
the bay, push the handle downward to fully latch it into place.
10. Wait up to 5 minutes for the DS3000 Storage Manager software to recognize
the new controller.
11. Connect the host interface cables to the controller. See “Working with SAS
cables” on page 24.
Handle
Guide pin
Notch
Figure 39. Installing a controller
Chapter 5. Replacing components 65