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MA44006 - LIC-INCORROUT-DISK-D/T6B22 VIRTUAL SCSI DISK NOT CONNECTED

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 APAR (Authorized Program Analysis Report)

Abstract

LIC-INCORROUT-DISK-D/T6B22 VIRTUAL SCSI DISK NOT CONNECTED

Error Description

virtual SCSI disk units become inoperative during              
initialize/format in a shared memory partition.                

Problem Summary

While initializing multiple virtual SCSI disk devices (D/T6B22,
D/T6B23, or D/T6B4E) at once in a partition that is using a    
shared memory pool, the initialization may fail and one or more
of the disks will have a status of Not Connected in Hardware    
Service Manager.  Initialization occurs when attempting to add  
nonconfigured disks to an Auxiliary Storage Pool or by the      
Initialize & Format disk unit recovery action.                  

Problem Conclusion

The buffer containing sector 0 from the previous disk will be  
cleared before requesting inquiry data from the next disk during
device discovery processing.                                    

Temporary Fix

Comments

Circumvention


Only initialize a single disk unit at a time.                  

PTFs Available

R710 MF58896 PTF Cover Letter   5142
R720 MF58884 PTF Cover Letter   5135

Affected Modules

         
         

Affected Publications

Summary Information

Status............................................ CLOSED PER
HIPER........................................... No
Component.................................. 9400DG300
Failing Module.......................... RCHMGR
Reported Release................... R720
Duplicate Of..............................




System i Support

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Document Information

Modified date:
30 May 2015