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IBM LTO7 - Drive Reporting Error FSC: 2E1B " LOD_FSC_SRV_EXCESSIVE_HEAD_SKEW" (Doc ID 2667187.1)

Last updated on MAY 21, 2020

Applies to:

StorageTek SL150 Modular Tape Library - Version All Versions to All Versions [Release All Releases]
IBM LTO7 Tape Drive - Version All Versions and later
Information in this document applies to any platform.

Symptoms

IBM LTO7 drive  is going to down state.

Drive 0,1,2,11 reporting load/unload issues.

Investigate Drive

ID: 2
Location: Module 1 Bottom
Address: 0.1.2.11
SCSI Element: 501
Serial: XXXX
Type: IBM LTO 7
Warning Reason(s): load_failures_within_week
CfgSerialNumber: XXXX
InterfaceType: FIBRE
RevisionLevel: K4K1
NeedsCleaning: false
Total EWI Count for 0.1.2.11: 1
Unique EWI messages:

Mount History :
============
16 15h HPE D161025168 34 13 61 850 xx0809L6 xx0809L6
17 15h HPE K160907589 34 13 61 851 xx0476L6 xx0476L6
18 15h HPE N170323190 34 13 61 852 xx1373L6 xx1373L6
19 15h HPE N170323190 34 13 61 853 xx1373L6 xx1373L6

Error Mount History :
================

15 15h I160821169 34 13 61 235 41093 K4K1 (mh190419a) 822 1
16 15h E161029124 34 13 61 242 393861 K4K1 (mh190419a) 2 824
17 15h Z160821159 34 13 61 233 106693 K4K1 (mh190419a) 831 6
18 15h K160907589 34 13 61 43 32802 K4K1 (mh190419a) 2 843
19 15h H170323122 34 13 61 235 606236 K4K1 (mh190419a) 1 19 847 20 ====> Multiple write retries

0 2113417 302087 62166 239921 61888887 30515888 31372999 58 1 16 15 446 ===> Total Suspend write

SCSI Log
========

237d 05h:55m:15s 0A-WRITE 1 02-Check Condition 70 00 0C00 Write Error 6: Drive or Media 00 7035: MED_OVER_REWRITE_LIMIT : Medium Error
237d 05h:58m:15s 10-WRITE FILEMARK 1 02-Check Condition f0 00 0C00 Write Error 6: Drive or Media 00 7035: MED_OVER_REWRITE_LIMIT

XXXX has taken a '2E1B: LOD_FSC_SRV_EXCESSIVE_HEAD_SKEW'

VOLSER: xx1373L6
FSC: 2E1B: LOD_FSC_SRV_EXCESSIVE_HEAD_SKEW 2X

VOLSER: xx0476L6
FSC: 2E1B: LOD_FSC_SRV_EXCESSIVE_HEAD_SKEW 1X

Cause

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In this Document
Symptoms
Cause
Solution


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