Communication has been lost to one of the dual ESM canisters in a drive enclosure. The drive enclosure has only one I/O path available. The Recovery Guru Details area provides specific information you will need as you follow the recovery steps.
Caution
Electrostatic discharge can damage sensitive components. Use a grounding wrist strap or other anti-static precautions before removing or handling components.
1 |
Fix any other problems reported by the Recovery Guru before attempting to fix this problem. |
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2 |
To determine the non-working channel, start at the drive channel on the controller enclosure corresponding to the working channel (refer to the labels on the back of the controller enclosure if needed). |
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3 |
Trace the cable from the working channel to the optimal ESM canister in the affected drive enclosure.
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4 |
Locate the other ESM canister in the affected drive enclosure (this is the canister on the non-working channel). |
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5 |
Reseating the ESM canister on the non-working channel may clear the failure being reported. While the cables are still connected, remove the canister from the drive enclosure, wait 10 seconds, and re-insert the canister firmly. Wait 40 seconds, then select Recheck to rerun the Recovery Guru to ensure the failure has been fixed.
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6 |
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7 |
Replace the ESM canister on the non-working channel. If the new replacement canister has an enclosure ID switch, verify that it is set to the same enclosure ID as the failed ESM canister. |
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8 |
Reconnect the cable or interface transceiver to the replaced ESM canister. Wait 40 seconds, then go to Step 9. |
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9 |
Select Recheck to rerun the Recovery Guru to ensure the failure has been fixed.
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