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MA46050 - LIC-DISK-OTHER-UNPRED DISK TASK FAILS WHEN TRYING TO ACCESS NON-EXISTENT MULTIPATH RELATIONSHIP.

 APAR (Authorized Program Analysis Report)

Abstract

LIC-DISK-OTHER-UNPRED DISK TASK FAILS WHEN TRYING TO ACCESS
NON-EXISTENT MULTIPATH RELATIONSHIP.

Error Description

LIC attempted to access a multipath object when no multipath    
relationship existed. This could happen if a copy relationship  
was started for a single path LUN.                              
                                                               
Service Keywords:                                              
DD-SC Task Giant Fault                                          
IoHwDevDasdScsi xDasdMp                                        
vl02000307                                                      

Problem Summary

****************************************************************
* PROBLEM: (MA46050) Licensed Program = 5770999 for i 7.2 and  *
*                                       i 7.3                  *
*           Crash/Hang Requiring an IPL to Recover             *
****************************************************************
* USERS AFFECTED: All IBM i operating system users with DS8000 *
*                 storage (D/T 2107) attached.                 *
****************************************************************
* RECOMMENDATION: Apply LIC PTF MF62971 for i 7.2.             *
*                 Apply LIC PTF MF62973 for i 7.3.             *
****************************************************************
LIC attempted to access a multipath object when no multipath    
relationship existed. This could happen if a copy relationship  
was started for a single path LUN.                              
                                                               
Service Keywords:                                              
DD-SC Task Giant Fault                                          
IoHwDevDasdScsi xDasdMp                                        
vl02000307                                                      

Problem Conclusion

A check will be made to insure we have a multipath LUN before  
attempting to use methods on the multipath object.              

Temporary Fix

                       *********                                
                       * HIPER *                                
                       *********                                

Comments

Circumvention


PTFs Available

R720 MF62971 PTF Cover Letter   7068
R730 MF62973 PTF Cover Letter   7061

Affected Modules

         
         

Affected Publications

Summary Information

Status............................................ CLOSED PER
HIPER........................................... Yes
Component.................................. 9400DG300
Failing Module.......................... RCHMGR
Reported Release................... R720
Duplicate Of..............................




System i Support

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Document information

More support for: i family

Software version: V7R2M0, V7R3M0

Operating system(s): OS/400

Reference #: MA46050

Modified date: 17 March 2017