Replacing the I/O Module (ENC) 13–3
Hitachi Unified Storage Hardware Service Guide
5. Hold the I/O Module (ENC) with both hands, and then pull it toward you.
6. Wait at least 30 seconds, and then insert a new I/O Module (ENC) until
its right and left levers are slightly opened to the set position. Do not
insert the I/O Module (ENC) completely. If the I/O Module (ENC) is
inserted without waiting at least 30 seconds, the I/O Module (ENC)
might not recover from the failure.
7. Connect the SAS (ENC) cable to the new I/O Module (ENC).
8. Push the right and left levers toward the I/O Module (ENC) at the same
time. Otherwise, the I/O Module (ENC) might not recover and you will
have to repeat the replacement procedure
9. Confirm the status of the following LEDs:
- Red ALM LED on the I/O Module (ENC) is OFF.
- Green READY LED on the front of the Controller Box is ON. This
LED might blink quickly for 30-to-50 minutes, 40-to-60 minutes for
the CBL, or 80-to-180 minutes when the DBW is connected to the
CBL before it goes ON.
- Red ALARM LED and orange WARNING LED on the front of the
Controller Box are OFF.
10.In Hitachi Storage Navigator Modular 2, check the recovery after
replacing components (see Checking recovery after replacing
components on page 3-14).
NOTE: If the cable cannot be removed easily, do not pull it by force.
Otherwise, you can damage the cable.
When installing the I/O Module (ENC), do not catch it on a SAS (ENC) cable.
NOTE: If the Power Saving/Power Saving Plus function is enabled on the
storage system, the orange WARNING LED might go ON or blink slowly
during the ENC automatic download. If the WARNING LED is ON or blinks
slowly after completing the ENC automatic download, visit the HDS Support
Portal at portal.hds.com.
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