You must specify a DD statement in the startup procedure to specify the CA-L-Serv ddname prefix. The prefix is a four-letter code. The VSAM files are defined to CA-L-Serv with the same prefix. CA-L-Serv allows CA TPX to access files with the matching prefix. Different copies of CA TPX can use different prefixes, which allows CA-L-Serv to control the sharing of different file sets concurrently.
Place the following statement in the startup procedure to define the prefix:
//DDN$prefix DD DUMMY
By specifying the same prefix in the startup procedure of another CA TPX, both copies will share the same VSAM files.
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