HP LTO - 750B miWriteFaultDSPTapeOffTrack, Write Errors After Cleaning

(Doc ID 2416785.1)

Last updated on JUNE 29, 2018

Applies to:

HP LTO6 Tape Drive - Version All Versions and later
Information in this document applies to any platform.

Symptoms

Drive keeps failing to write after cleaning.

2018-06-25 08:33:15 Clean - MechInterface commanded to brush the head.
2018-06-25 08:33:10 ChkCon - Command returned Check Condition for major medium/hardware error. ASC/ASCQ: 0x0C00, Drive Error Code: miWriteFaultDSPTapeOffTrack
2018-06-25 08:33:09 ChkCon - Command returned Check Condition for major medium/hardware error. ASC/ASCQ: 0x0C00, Drive Error Code: miWriteFaultDSPTapeOffTrack
2018-06-25 08:33:02 Clean - MechInterface commanded to brush the head.
2018-06-25 08:30:54 Clean - MechInterface commanded to brush the head.
2018-06-25 08:30:49 ChkCon - Command returned Check Condition for major medium/hardware error. ASC/ASCQ: 0x0C00, Drive Error Code: miWriteFaultDSPTapeOffTrack
2018-06-25 08:30:48 ChkCon - Command returned Check Condition for major medium/hardware error. ASC/ASCQ: 0x0C00, Drive Error Code: miWriteFaultDSPTapeOffTrack
2018-06-25 08:30:41 Clean - MechInterface commanded to brush the head.
2018-06-25 08:28:13 Clean - MechInterface commanded to brush the head.                          <----------------------------------------  Brush head cleaning doesn't seem to be clearing the issue.

2018-06-25 08:33:35 Entry name=e_dr_hist Text=Drive History
         Entry name=e_dr_err_hosts Text=Errors returned to host
           Entry Text=Time                                Power/Load Count   Error Code                                                                              Cartridge SN                   /
           Entry severity=Warning Text=007:44:35.59                        24/3315            0x5083 PP_PF_WRITE_ERROR (PF reported a write error (excessive RWWs))                                /
           Entry severity=Warning Text=033:13:36.87                        26/3317            0x750b miWriteFaultDSPTapeOffTrack       EV0GWWRYYW                     /
           Entry severity=Warning Text=033:48:56.74                        26/3318            0x5083 PP_PF_WRITE_ERROR (PF reported a write error (excessive RWWs)) N161010168                     /
           Entry severity=Warning Text=034:47:08.67                        26/3320            0x750b miWriteFaultDSPTapeOffTrack       E161010144                     /
           Entry severity=Warning Text=034:47:12.65                        26/3320            0x750b miWriteFaultDSPTapeOffTrack       E161010144                     /
           Entry severity=Warning Text=036:57:27.82                        26/3321            0x750b miWriteFaultDSPTapeOffTrack       EV0EWF2XRX                     /
           Entry severity=Warning Text=036:57:29.14                        26/3321            0x750b miWriteFaultDSPTapeOffTrack       EV0EWF2XRX                                                      <------------------------- Failing on multiple tapes.

Changes

 

Cause

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