Dell Storage Center SCv2000 and SCv2020 Storage System Deployment Guide

To troubleshoot storage controllers :

1. Check the status of the storage controller using the Dell Storage Manager Client .
2. Check the position of the storage controllers . The storage controller with the lower HSN should be on the top, and the storage controller with the higher HSN should be on the bottom.
3. Check the pins and reseat the storage controller .
   1. Remove the storage controller .
   2. Verify that the pins on the storage system backplane and the storage controller are not bent.
   3. Reinstall the storage controller .
4. Determine the status of the storage controller link status indicators. If the indicators are not green, check the cables.
   1. Shut down the storage controller .
   2. Reseat the cables on the storage controller .
   3. Restart the storage controller .
   4. Recheck the link status indicators. If the link status indicators are not green, replace the cables.