Dell PowerVault 130T DLT Service Manual

Also see for POWER VAULT 130T LIBRARY 130T: Installation guide Installation guide User guide Safety booklet

Contents

Dell PowerVault 130T DLT Service Manual Manual pdf 30 page image

TIP 3000: SCSI Interface PowerVault 130T Service Manual2–8 4473DTIP 3000: SCSI InterfaceUse this TIP to troubleshoot and repair problems with the SCSI interface.Symptom Explanation Conditions That Could Cause This ProblemThe operating system does notrecognize the library or the tapedrives. SCSI cables may be loose. SCSI terminators may be missing or loose. The SCSI terminator might not be at the end of thebus or there may be more than two terminatorspresent. The SCSI bus may be too long. Too many devices may be on the bus. Your system may not be configured to recognize theelectronics module or tape drive SCSI IDs.1. Are the SCSI cables properlyconnected?Yes: Go to step 2.No: Reseat the connectors.2. Are there SCSI terminators at bothends of the bus?Yes: Go to step 3.No: Add SCSI terminators.3. Are there more than twoterminators present?Yes: Go to step 4.No: Remove extra terminators so there are no morethan two present.4. Is the length of the SCSI buswithin specification?Yes: Go to step 5.No: Connect a shorter SCSI cable.5. Are there more than the maximumpermitted number of devices onthe SCSI bus?Yes: Go to step 6.No: Check the library and drive configurations for validIDs.6. Is the system configured torecognize the tape drives?Yes: Go to step 7.No: Reset the tape drive SCSI IDs.7. Is the system configured torecognize the library?Yes: Go to step 8.No: Reset the library SCSI ID.8. Place a service call.NOTE: Most SCSI adapters provide an internal terminator, so no external terminator isrequired.