LTO7 Tape Drive Code Fixlist: ===================================================================== Drive Code Level: LTO7_Q3A1 (LTO7_HH_SAS) Fixes --------------------------------------------------------------------- Fix panic during ERP ERP improvement Race in [library] ethernet port link up when drive is idle may cause drive hang requiring power cycl Read ERP improvements Fix panic during performance read transfer failures on FC drives Quantum only: Unable to make an FMR tape FC REC Task Retry Identifier checked when not supported. Fix drive hang after memory error Fix drive panic condition during Locate to change partition Fix condition where ADI library issued unload to LUN2 may hang when host prevents medium removal ===================================================================== Drive Code Level: LTO7_Q385 (LTO7_HH_SAS) Fixes --------------------------------------------------------------------- LP 11h[010?h] may wrongly report PIC1 when FC port offline Fix Load failure against scale-failed cartridge. Fix wrong error reporting against refurbished tapes The drive reports unsuitable sense When using ILEP encrpytion the drive may not send status to a Write command. Fix excessive read ERP trigger Fix Read ERP failure Fix Timeout on write Fix unexpected error on Read Fix unexpected timeout after space command Fix Locate failure Fix Locate/Space timeout ERP improvements Format command fails after reading EOD followed by setting partition Fix Locate/Space failure Fix for FSC 78B5 Fix Read failure due to unexpected buffer full Fix incorrect FSC reported for unspool error Fix Read failure occurred on EOW Fix breakage in contents of read buffer ID 08h Implement MAM attribute 1100h for LTOFix behavior for MP30h[43h] byte 4 bit 2 Implement new log page 39h[02h] with SFP page A2h data for Fibre Channel drives. Fix case of panic during cartridge loading Fix position mismatch during GRAO processing Workaround to improve certain FC class-3 error recovery scenarios for non-compliant FC hosts Fix performance loss when locate Fix Locate/Space failure Fix drive hang during write operation Remove iADT-TLS support (obfuscation) Fix case when bottom sensor error at load could cause threader interference with head Prevent Safe Mode write append error (FSC 4720) from setting read data perm counter (or any perm cntr) Fix misdetection of invalid media Fix Servo read error after ERP Fix VHF stays at "unloading" after load failure Fix tension shutdown (FSC 7875) during direction change near zero velocity Fix WORM append error due to previous segment does not have FM Invalid values in Get/Set Behavior may cause drive to panic. Fix logic defect at beginning of ERP Fix Read ERP errors related to some TDS cases FCR 3403 (Data set writing drive information log page) support Workaround for fibre channel HBAs that send unexpected CRNs Fix drive hang in MTR case Fix for write error on L6 tape in LTO7 drive sADT (library interface) frame may have incorrect data if sent during 100ms delay after Port Login Fix FSC 6000 on Write command Fix drive failure to LOAD from hold position Correct DHCP settings ERP enhancements (FSC 583x/783x) FC change to default EPDC to disabled was not correctly selected in MP[18h] PC2 or PC3 Fix drive hang during read operation Fix panic during write ERP Fix error case in Read ERP Servo improvement for acquiring LPOS at high speed locate ===================================================================== Drive Code Level: LTO7_P381 (LTO7_HH_SAS) Fixes --------------------------------------------------------------------- Fix race condition during ADI initialization Fix Read failure during ERP Fix Write Append error case Fix drive incorrect write error reporting Fix MTR error condition Fix Read error FSC 6353 Add detection, invalidation and rejection of bad "refurbished" media - Report FSC 2C40 Fix Read error when invalid tape directory Fix drive hang case related to library command Fix Read failure at BOW when tape dir is invalid Fix wrong EOD reporting ERP improvements Fix long unload time with full length LTU Fix reposition timeout Fix port 1 activity LED Improve cartridge initialization time Implement E_12VPC mode support Fixed when LP17 is updated to after load completes Defined new media wear indicator & capacity counters in log page 17h Fix handling of case when Write was aborted after status sent ===================================================================== Drive Code Level: LTO7_N9M1 (LTO7_HH_SAS) Fixes --------------------------------------------------------------------- Fix reel motor stall at direction change (FSC 58D1) ERP improvements Fix WORM Tampering error when no HKDS is read on load Improve error reporting in some cases Fix Read command timeout condition Fix Locate/Space failure Fix error causing SAS frame processing to stop Fix cases where a drive dump may get corrupted Fix multi-initiator handling Suppress the FSC 7410 when read/reposition command is issued ===================================================================== Drive Code Level: LTO7_N4Q1 (LTO7_HH_SAS) 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_MA71 (LTO7_HH_SAS) 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 handling enhancements ===================================================================== Drive Code Level: LTO7_M571 (LTO7_HH_SAS) 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_KAH1 (LTO7_HH_SAS) 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_K4K1 (LTO7_HH_SAS) 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_JAYF (LTO7_HH_SAS) 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 ===================================================================== Drive Code Level: LTO7_JAY1 (LTO7_HH_SAS) 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_J4D1 (LTO7_HH_SAS) 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 ===================================================================== Drive Code Level: LTO7_HB83 (LTO7_HH_SAS) Fixes --------------------------------------------------------------------- FCH-Field: Unhandled interrupt due to port offline/online ADI panic on NULL exchange request for logout ===================================================================== Drive Code Level: LTO7_HB81 (LTO7_HH_SAS) Fixes --------------------------------------------------------------------- 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_H9E3 (LTO7_HH_SAS) 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_H5B1 (LTO7_HH_SAS) 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_G9Q1 (LTO7_HH_SAS) 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_FA11 (LTO7_HH_SAS) Fixes --------------------------------------------------------------------- LN1: fix wrong handling of echo buffer Request Sense did not return in progress sense Allow non-zero offsets for VPD read buffer Dispatch counter updates to task Multi-initiator sense data collision LN1-LDI: fix problem parsing some data out parameter lengths T10-OOB does not fail DPRP disabled encryption properly FCH: improve direct forced L-port negotiation SendDiag (POST B) fails with SCD 'A' (FSC 52E5) FCH: Un-handled IRQ during host I/F re-enable via ADT mode page FCH: work around init cases where rx frames are not processed Unload hangs Improve echo buffer standards compliance LN1-LDI: avoid sending data in data-in command payloads Tape stretch threshold and motor spec limit update Raise vibration detection threshold