HP VS80 DLT VS80 Tape Drive User's Guide - Page 52
unix sco frequently asked questions, tape rewind, Vendor=HP, Product=C1537A, no such - dlt internal tape drive
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unix sco frequently asked questions http://www.hp.com/support/tape may have a later version hp learning products data protection drivers FAQs windows NT netware unix - SCO unix - linux frequently asked questions "How do I tell if my tape drive and drivers are correctly set up?" contents of this section related topics tape drive not recognised checking the cables checking the tape driver configuration back to list of questions previous question next question This topic is available in English only tape drive not recognised There can be several reasons why a tape drive attached to the system will not respond to commands sent from the application software: 1. Cabling may be too long, too many devices connected, no bus termination, non-shielded internal cables being used for external applications, badly seated connectors, tape drive has same SCSI ID as another device etc. 2. Tape Drive not switched on, or faulty 3. HBA faulty. 4. HBA Driver not loaded, or incorrect driver loaded. 5. Tape Device driver not loaded, or incorrect driver loaded. In our experience, faulty tape drives and HBAs are unlikely to be the cause of the problem, so all other possibilities should be checked first. checking the cables The simplest way to check that the cabling is not at fault is to look for the SCSI Inquiry string of the Tape Drive, which should be displayed by the SCSI HBA BIOS (of the HBA to which the drive is attached) when the system is booting. If the SCSI Inquiry string of the tape drive is seen at boot time, then it is unlikely that the problem is one of the first three listed above. However, this will not preclude any SCSI errors which arise from marginal cabling, and which generally show up during high-speed synchronous data transfer (when performing backups/restores). Some systems will not display the SCSI Inquiry strings when booting. However all Adaptec and Symbios SCSI controllers with a BIOS should do this. checking the tape driver configuration When FIRST accessing the tape device only, you can check whether the tape driver has been configured correctly by typing the following command: % tape rewind This should then print out a line of information on the console which displays the Vendor and Product in a similar manner to that shown below: Stp0: Vendor=HP Product=C1537A If you do not see the information printed, check that you have a tape loaded into the drive and then retry. If you do have a tape loaded and an error like "no such device or -- address" is displayed, then you probably have a misconfigured tape driver. Rerun "mkdev tape" and remove the configured drive and then re-add it. If the tape driver is loaded then you should also be able to eject the media, reinsert it and rerun the tape rewind command. This should flash the LEDs on all DAT drives (but not DLT drives). next question Go to the next question "Are there any important points I need to be aware of when changing drivers in my system?" © 1999-2001, Hewlett-Packard Company file:///C|/Documents%20and%20Settings/topher.COL-SPRINGS/Desktop/dltvs80%20manual/document/common/drivers_faqs/eng/us_q3.htm [11/29/2001 8:35:07 AM]
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