Silicon Graphics InfiniteStorage 4000 Series System Upgrade Manual page 73

Chapter 2: Upgrading Trays in the Storage Array
4. Install the top cover on the controller canister, and tighten all of the thumbscrews.
5. Slide the controller canister all of the way into the tray. Rotate the release handles
in to lock the controller canister into place.
6. Install the SFP transceivers into the controller canister.
7. Reconnect all of these cables to the appropriate ports on the controller canister.
Ethernet cables
—
Host interface cables
—
Drive interface cables
—
8. Plug in the power cord to the controller canister.
9. Turn on the Power switch on both controller canister.
10. Put the controller back online. In the Array Management Window, right-click the
controller, then select Advanced >> Place >> Online.
11. Look at the LEDs on the controller canister to make sure that the controller is
rebooting correctly.
Figure 46 Controller Service Action LEDs
The seven-segment display shows the sequence OS+ Sd+ blank- to indicate
that the controller is performing Start-of-day (SOD) processing. After the
controller successfully completes rebooting, the seven-segment display shows the
tray ID matching the seven-segment display on the second controller. After this
time, you can discover the controller through the storage management software.
NOTE Depending on your version of host interface card, you might receive an error
message about a failed host I/O card. If this problem occurs, follow the instructions in
the Recovery Guru.
1. Controller Service Action Allowed LED (Blue)
2. Controller Service Action Required LED (Amber)
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