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HP StorageWorks Ultrium 1760 SAS Tape Drives Firmware Revision U52D release notes

Part number: EH919-90920 First edition: December 2009

Legal and notice information © Copyright 2009Hewlett-Packard Development Company, L.P.



The release includes updated firmware for Ultrium 1760 (LTO–4) SAS tape drives. HP StorageWorks Library and Tape Tools (HP L&TT)must be used to download firmware to the tape drive. Drive firmware version: U52D Update recommendation Supersedes U29D Recommended

Product models
• HP StorageWorks LTO–4 Ultrium 1760 SAS InternalEH919A • HP StorageWorks LTO–4 Ultrium 1760 SAS External EH920A • HP StorageWorks LTO–4 Ultrium 1760 SAS Rack-mount EH946A

Operating systems
Operating systems supported by HP StorageWorks Library &Tape Tools. See support/tapetools.

• English (American) • English (International)

Improved performance with HP's new Proliant RAID smart arraycontrollers (P212, P410, P411, P712). (The issue of the large Transport Layer Retry occurrence when SAS tape drives were attached to these HBAs has been fixed by reducing the frame credit to 1.)

FixesThere was a potential hang issue for Open Reject (Retry) but this has now been fixed.

Installation instructions
Use HP StorageWorks Library & Tape Tools (L&TT) to update the tape drive firmware. Youcan download L&TT from Online help and instructions are included with the utility.

HP StorageWorks Ultrium 1760 SAS Tape Drives Firmware Revision U52D releasenotes


NOTE: Once the download has started, do NOT power off the unit or interrupt the firmware download process until the download is complete. Doing so could leave the product in anon-usable state. The firmware files can also be obtained on the external HP support website: support/storage . Select your product from the list and follow the instructions from the Web...
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