LTO7 Tape Drive Code Fixlist =================================================================================================== Drive Code Level: LTO7_N4Q0 (LTO7_FH_FC) Fixes: =================================================================================================== Improved error handling during unload (FSC 6000) Fix and enhancements for repositioning errors Fix command timeout on LOCATE/SPACE to the last record on the tape Fix unexpected reboot that sometimes occurs by reading mixed encrypted data near BOP Fix unexpected endmarker found (FSC 6601) Fix drive hang after rechuck failure due to head stuck during unload (FSC 78E3) Improve MTR (Improve transition from deceleration to unspool in MTR) Fix unload command hangs (no response) after unload failure with 2E0C (bottom sensor error) Do not allow initialization of read only tape gens Fix Read error case (FSC 7274) Fix SAS loopback diagnostic Allow to load a tape whose validity is rfx=300 (FSC 8C3E) Fix LLWR diagnostic failure case (FSC 5301) Adjust calibration criteria in special cases Improve calibration in certain conditions Prevent tape run-off due to command queuing issue (FSC 2E12) Remove LP3 passes from media EOL criteria Fix Read failure at EOW (FSC 5175) Fix read SAW (Suspended Append Write) DS on BOW (FSC 6353) Fix Read failure on BOW (FSC 6353) Fix Write failure when writing from BOT on brand new tape in append-only mode (FSC 6017) Fix append failure Add support for service action 1Eh for Report/Set Automation Device Attributes commands Fix write failure (FSC 2C30) on uninitialized WORM tape 20 minutes after loading cartridge Fix for Read command timeout =================================================================================================== Drive Code Level: LTO7_MA70 (LTO7_FH_FC) Fixes: =================================================================================================== Return better error codes Sense data positioning parameters corrected Tape positioning and tape motion control improvements Correctly set tape alert 32 and assign a different error code for Read CRC errors Error recovery handling and enhancements Prevent drive hang on Write Attribute command when MAM space is unavailable Change SCD 6 to 5 for reader/writer test fail Report correct FSC, sense data for write protected un-initialized cartridge =================================================================================================== Drive Code Level: LTO7_M570 (LTO7_FH_FC) Fixes: =================================================================================================== Log Sense parameter collection and reporting improvements Error recovery handling and enhancements Unload and Load command and processing improvements EOD processing improvements Tape handling and servo improvements =================================================================================================== Drive Code Level: LTO7_KAH0 (LTO7_FH_FC) Fixes: =================================================================================================== Mode Sense and Log Sense improvements Read error recovery handling and enhancements Write command and write error recovery handling and enhancements Reset due to bad link quality Improved transfer length and overlap handling Correct parameter checking for Write Attribute command Host interface logging in and task management message improvements Allow unload to invoke mid tape recovery after un-spool operation failure Tape servo improvements Not reset after power saving unthread =================================================================================================== Drive Code Level: LTO7_K4K0 (LTO7_FH_FC) Fixes: =================================================================================================== Host interface command and abort handling improvements Error recovery and sense reporting enhancements Fix wrong motion status report (wrong "writing") to library FCR3356: Inquiry page C2h (drive bar codes) Servo and tape handling improvements Prevent resets that could happen on entering power saving mode or during unload =================================================================================================== Drive Code Level: LTO7_JAYE (LTO7_FH_FC) Fixes: =================================================================================================== Host interface and queued task management improvements Cartridge memory improvements for MAM attributes Servo detection and tension control enhancements Avoid returning incorrect density code when not loaded/ready Improvement of Performance Diagnostic SCD displays "0" instead of blank incorrectly First level for new ADC ASIC support =================================================================================================== Drive Code Level: LTO7_JAY0 (LTO7_FH_FC) Fixes: =================================================================================================== Improve and enhance host interface transfers and attachment Improve log page data reporting Fix medium access queue hangs Improve LUN1 sense, data, and inquiry handling Correct SCD display for error indications Write Attribute command improvements Error recovery enhancements T10-OOB: do not clear KME error/info on repositions Archive mode improvements Tape and head servo control improvements =================================================================================================== Drive Code Level: LTO7_J4D0 (LTO7_FH_FC) Fixes: =================================================================================================== Improve host interface communications Add tension control and error recovery procedures (ERP) LN1: not set VS bits in inquiry data Servo control improvements Improve head brush ERP Fixes for log sense and tape alert data Request clean for errors that require re-chuck ERP Tape path temperature acquisition and reporting improvements Host interface improvements Read error recovery procedure to use slow speed for better servo tracking =================================================================================================== Drive Code Level: LTO7_H9E2 (LTO7_FH_FC) Fixes: =================================================================================================== Update command timeout values Support DRA using standards based op-codes Support encrypt only (and related) modes Update Inquiry pages Ex Improve drive tape servo handling SCSI command handling and error reporting corrections Log pages 00h and 14h and mode page 10h corrections Improvements in ADT communication Error recovery enhancements and improvements Voltage error detection improvements Increase head brush frequency and triggers =================================================================================================== Drive Code Level: LTO7_H5B0 (LTO7_FH_FC) Fixes: =================================================================================================== Improvements in SPI and SPO command features. MAM parameter fixes. Fix timing and improve servo processes. Enhance support for log pages and error reporting. Support drive status indicators on libraries Improvements in read error recovery =================================================================================================== Drive Code Level: LTO7_G9Q0 (LTO7_FH_FC) Fixes: =================================================================================================== Fix several drive reset conditions Correct data for several log pages including pages 16h, 17h, and 30h Library/drive interface communication improvements Media motion handling improvements Error handling changes Addition of Iterative decode error recovery procedure Report correct status for cartridge conditions Allow unthread tape after unload failure (2E0C) Fix for load failure (2E12) Fix for read/write error (78B5) =================================================================================================== Drive Code Level: LTO7_G340 (LTO7_FH_FC) Fixes: =================================================================================================== Add support for Inquiry page B5h Fix problem counting Overruns in LP 34h (parm 19h) Fix for host timeout by space command Drop TA49, 53A0=TA2+NoSIM, 1058=TA31+Sim=2673 to avoid TA confusion where both warning and severe hardware fault being reported LP 17h is not fully updated for expired cleaner with disallow eject Fix for FSC 7133 on reading data after many retries Error recovery additions and enhancements Drive unload and load operational and error recovery improvements Avoid drive resets due to various error conditions Host attachment error recovery and operation improvements Tape handling and servo improvements L5/L6 read interchange improvements Fix load hold flush behavior Restore dropped Ack between LDI SCSI commands Fix abort of medium access queue FCH: Unhandled IRQ during host I/F re-enable via ADT mode page FCH: workaround init cases where rx frames are not processed CRP: T10-OOB does not fail DPRP disabled encryption properly LN1: fix handling of echo buffer Allow non-zero offsets for VPD read buffer SendDiag (POST B) fails with SCD 'A' (FSC 52E5) Improve unload processing =================================================================================================== Drive Code Level: LTO7_F980 (LTO7_FH_FC) Fixes: =================================================================================================== Workaround Fairness issue SAS: clear WWN Entry on session removal Initialize CC page with mechanism licensee parameter Remove unsupported PRO/PRI capabilities (SIP_C, ATP_C) No error if OpenReader measurement for new criteria (FSC5336) LN1 cmds, timing between setting buf index/size & execution LTO7HH: change temperature criteria to fence and change lowest LTO7HH: change chip temperature threshold