Troubleshooting Drives; Troubleshooting Enclosure Connections; Troubleshooting A Damaged Enclosure - Dell PowerVault MD2412 Owner's Manual

4. Reinstall the EMM and wait for 30 seconds.
5. Turn on the enclosure.
6. Check the status LED.
7. If the problem is not resolved, swap or replace the EMM with a known good EMM.
8. If the problem persists, see

Troubleshooting drives

Disk drives are hot-swappable. Leave the enclosure powered on when replacing drives.
Basic troubleshooting
NOTE: Always comply with all electrostatic and thermal guidelines to prevent bodily injury and to ensure that the system
functions properly when performing hot-plug operations.
1. Check the drive activity LED and drive fault status. See
2. Remove the drive from the enclosure. See
3. Check the drives and the backplane to ensure that the connectors are not damaged.
4. Ensure that nothing is blocking the airflow through the enclosure.
5. Reinstall the drive into the enclosure.
6. Verify that the Mini-SAS status LED and the EMM status LED are solid green for each port that is connected to a cable.
7. Ensure that all cables are attached correctly.
8. If you reseated the cables, restart the enclosure.
9. If the problem persists, see
Recovering from unsupported drive installation
SATA drives are not supported in MD24 Series enclosures. If you insert a SATA drive into the enclosure and then replace it with
a SAS drive, the enclosure will not recognize the SAS drive.
To recover from this condition, insert the SAS drive into the enclosure and cycle power on the enclosure.

Troubleshooting enclosure connections

NOTE: Always comply with all electrostatic and thermal guidelines to prevent bodily injury and to ensure that the system
functions properly when performing hot-plug operations.
1. Verify that the Mini-SAS status LED and the EMM status LED are lit green for each port that is connected to a cable.
2. Ensure that all cables are attached correctly.
3. Reseat the cables on the enclosure and the host.
4. Restart the storage enclosure and wait until the enclosure is fully booted.
5. Check the Mini-SAS status LED. If the Mini-SAS status LED is not lit, see
6. If the problem persists, contact support for further troubleshooting, see

Troubleshooting a damaged enclosure

1. Ensure that the following components are properly installed:
● Disk drives
● EMMs
● Cooling fans
● Power supply units
● Control panel
2. Ensure that all the cables are properly connected and that there are no damaged pins in the connectors. Connect all the
cables and turn on the enclosure.
Getting help.
Replacing
Getting help.
Drive carrier LEDs.
drives.
Troubleshooting
Getting
drives.
help.
Troubleshooting 19