Dell PowerVault TL4000 Dell Model TL2000/TL4000 Tape Library- User's Guide - Page 179
Isolating Drive Sled Problems, Monitor, Library, Identity, Drives, Identity select a drive, FW Rev
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5. If your power supply has no LED's, and you have verified that the electrical outlet works properly, but the power supply is still failing, replace it (refer to "Replacing a Power Supply" on page 10-10). 6. If the power supply seems to be delivering power to the library (Operator Control Panel and front panel LED's may be functioning); however, air does not flow from the power supply cooling fan grill on the rear of the library, replace the power supply (refer to "Replacing a Power Supply" on page 10-10). 7. If the power supply seems to be delivering power to the library (Operator Control Panel and front panel LED's may be functioning), and air is flowing from the power supply cooling fan grill on the rear of the library, observe the "Green" LED (lowest of the three). If it is lit, the power supply is OK. Note: If your library has -04 level redundant power supplies (see label on top of power supply), it is normal for the one in "Standby" mode to turn its "Green" LED off. You can test this power supply by pulling the power connector from the other "Active" power supply. The power supply that was in "Standby" mode will now become "Active", and its "Green" LED should light. If it doesn't, replace it (refer to "Replacing a Power Supply" on page 10-10). If your library has -05 level redundant power supplies, the "Green" LED will be ON on both power supplies. If both "Green" LEDs are not ON, replace the failed power supply (refer to "Replacing a Power Supply" on page 10-10). 8. If the "Green" LED is not lit, and it is the only one in the Library, replace it (refer to "Replacing a Power Supply" on page 10-10). Isolating Drive Sled Problems Prior to replacing a drive sled CRU, verify that the following activities have been performed: 1. BEFORE POWERING OFF THE LIBRARY, write the drive dump to flash. It is important to preserve the drive dump on the drive for analysis by Technical Support. Note: If you are instructed by Dell Technical Support to copy the drive dump to your host computer, use one of the following methods: v Web User Interface: Refer to "Service Library: Save Drive Dump" on page 5-60. v ITDT: Refer to "Using the ITDT Firmware Update, Dump Retrieval and Drive Test Tool " on page 9-4. 2. Ensure that the drive firmware is at the latest level. To determine current library and drive firmware version using the Operator Control Panel: v Library firmware: Monitor → Library → Identity v Drive firmware: Monitor → Drives → Identity (select a drive) Drive firmware is identified in the FW Rev field. 3. Try reseating the drive sled. Note: The drive sled is hot-pluggable so it is not necessary to power off the library. See "Removing/Installing/Adding a Tape Drive Sled" on page 10-3. 4. Cycle power to the library. Chapter 7. Troubleshooting 7-9