Step 1 To completely solve the problem, replace the disk with a new disk of improved hardware architecture.
Step 2 Given this problem is critical, seal up the disk slot to ensure interim link stability.
To do this, complete the following steps:
1. Log in to the OSM, identify the enclosure ID and slot ID of the faulty disk, and record its serial number.
2. Log in to a controller by executing the cli command. Switch to the debug mode and then the mml mode. Execute the dev disk [enclosure ID] command to confirm and record the enclosure ID, slot ID, and serial number. And then, execute the dev setphyswitch [frame ID] [PHY ID] [0:off; 1:on] command where [frame ID] stands for the enclosure ID, [PHY ID] stands for the slot ID, 0 indicates that the slot is locked, and 1 indicates that the slot is unlocked.
3. Execute the command mentioned above respectively on controllers A and B to lock the slot, which is equivalent to removing the faulty disk in practice. Execute the same command to unlock the slot after replacing the disk with a new one.