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Sop guide 1 HP LTO Ultrium Tape Drives Technical Reference Manual Volume Software Integration Abstract This is one of ?ve volumes that document HP LTO Ultrium tape drives Fibre Channel and SAS This volume provides software integration information See ??Su

HP LTO Ultrium Tape Drives Technical Reference Manual Volume Software Integration Abstract This is one of ?ve volumes that document HP LTO Ultrium tape drives Fibre Channel and SAS This volume provides software integration information See ??Support and other resources ? page for details of the other guides HP Part Number n a Published October Edition First C ? Copyright Hewlett-Packard Development Company L P The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein Acknowledgements Windows is a U S registered trademarks of Microsoft Corporation UNIX is a registered trademark of The Open Group Warranty WARRANTY STATEMENT To obtain a copy of the warranty for this product see the warranty information website http www hp com go storagewarranty CContents Designing backup applications Optimizing performance Large data transfer size Data compression control Non- immediate commands Managing the use of tapes Information in Cartridge Memory Cleaning tape heads Monitoring tape use TapeAlert Diagnostic logs Displaying drive information Drive tests Design goals for LTO backup applications Con ?guration and initialization Operating system drivers Inquiry string recovery Example Support for additional LUN Enabling additional LUN support Supporting additional LUNs Use of tapes LTO cartridge memory Identifying tape cartridge types Using Cartridge Memory attributes Using MODE SENSE Tape status and capacity Finding the remaining capacity Interpreting Log Sense data Using the SET CAPACITY command Command descriptor block CDB ?elds WORM media How WORM media works Changes to SCSI commands New commands New INQUIRY pages New log pages New parameters in the DTD Status log page New and changed mode subpages New additional sense codes New task management functions Re-writing media labels Allow overwrite of last ?lemarks before the EOD data set Using CM to check tape integrity Behavior with a missing or inconsistent EOD value Unique media identi ?er Barcode support Responding to Cartridge Memory data Load count Contents CRWW retry counts Corrective action Factors a ?ecting performance Ways of optimizing performance Detecting the drive ? s speed Ensuring the recommended minimum transfer sizes Maximum block size Media type identi ?cation Using Cartridge Memory instead of tape headers Using the Performance Log page for diagnosing problems Time- out values Notes Recommended support of log pages Factors a ?ecting performance Host-related factors Drive-related factors Format-related factors Supporting Ultrium features Cartridge Memory LTO - CM Further information Automation interface Automation Device Interface ADI Automation Control Interface ACI Modes of usage through ACI Slave to a library controller SCSI pass-through mode ACI command set ACI commands that a ?ect drive streaming performance New features in ACI Backward compatibility Encryption support Further details Supporting the ACI protocol Recommended ACI time-out values Treatment of reserved ?elds Recommended power-up sequence Recommended load-unload con ?guration Recommended Get Drive Status polling frequency ACI protocol communications retry Upgrading