Problems bringing new TSS in a shared environment

Document ID : KB000015149
Last Modified Date : 14/02/2018
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Introduction:

Sharing the RCACHE File

Question:

I am having enqueue problems on the RCACHE file, can the RCACHE file be shared? 

Environment:
z/os
Answer:

it is defined as 

//RCACHE   DD   DSN=rcache.vsam.file.name, DISP=OLD

so no cannot be shared