What Caused the Problem?
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.
Important Notes
Recovery Steps
1 |
Fix any other problems reported by Recovery Guru before attempting to fix this problem. |
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2 |
To determine the non-working channel, start at the drive minihub 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 working 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 card on the non-working channel). |
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5 |
Reseat the ESM canister on the non-working channel. To do so, remove it from the drive enclosure, wait 10 seconds, re-insert the card firmly, then go to step 6. |
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6 |
Select Recheck to rerun Recovery Guru to ensure that the problem has been fixed. |
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7 |
Replace the ESM canister on the non-working channel. Make sure the new card has the same enclosure ID as the failed ESM canister. |
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8 |
Wait 40 seconds, then select Recheck to rerun Recovery Guru to ensure that the problem has been fixed. |
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