Dell PowerVault 130T DLT Service Manual - Page 37

Removal and Replacement, Preparation

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PowerVault 130T Service Manual Chapter 3. Removal and Replacement Preparation This chapter describes how to remove and replace the field replaceable units (FRUs) and customer replaceable units (CRUs) in the PowerVault 130T Library. Preparation NOTE: If you are replacing a FRU or CRU because of a fault symptom code (FSC), run diagnostic tests to make sure you can duplicate the problem. Information about FSCs can be found on page 2-1 and about diagnostic tests on page 2-9. After you have replaced the FRU or CRU, run the diagnostic tests again to make sure the problem has been fixed. CAUTION: Review the following steps before attempting to remove and replace any FRUs or CRUs: 1. Follow the safety and electrostatic discharge (ESD) precautions outlined in About this Manual at the beginning of this document. 2. Follow the safety precautions outlined in Rack-Mounted Library Safety and Precautions in Preface. 3. Read each procedure completely to familiarize yourself with the warnings and steps involved with the procedure before starting. 4. End all jobs being performed by the library and place the tape drives offline before removing power. Removing power without placing the drives offline could result in loss of data or damage to the cartridge tape. CAUTION: Observe these SCSI bus precautions when disconnecting the SCSI cables from the PowerVault 130T library and tape drives. Before connecting the external SCSI cables, make sure there is no activity on the SCSI bus. The host must be quiesced; do not connect to a hot bus. Any third party software must be quiesced. All signals must be terminated at each end of the SCSI bus. 4473D 3-1

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PowerVault 130T Service Manual
Preparation
4473D
3–1
Chapter 3.
Removal and Replacement
This chapter describes how to remove and replace the field replaceable units
(FRUs) and customer replaceable units (CRUs) in the PowerVault 130T Library.
Preparation
NOTE: If you are replacing a FRU or CRU because of a fault symptom code (FSC),
run diagnostic tests to make sure you can duplicate the problem.
Information
about FSCs can be found on page 2–1 and about diagnostic tests on page 2–9.
After you have replaced the FRU or CRU, run the diagnostic tests again to make
sure the problem has been fixed.
CAUTION: Review the following steps
before
attempting to remove
and replace any FRUs or CRUs:
1.
Follow the safety and electrostatic discharge (ESD) precautions outlined in
About this Manual
at the beginning of this document.
2.
Follow the safety precautions outlined in
Rack-Mounted Library Safety and
Precautions
in
Preface
.
3.
Read each procedure completely to familiarize yourself with the warnings
and steps involved with the procedure before starting.
4.
End all jobs being performed by the library and place the tape drives
offline before removing power.
Removing power without placing the
drives offline could result in loss of data or damage to the cartridge tape.
CAUTION: Observe these SCSI bus precautions when disconnecting
the SCSI cables from the PowerVault 130T library and tape drives.
S
Before connecting the external SCSI cables, make sure there is no
activity on the SCSI bus. The host must be quiesced; do not
connect to a hot bus.
S
Any third party software must be quiesced.
S
All signals must be terminated at each end of the SCSI bus.