JES2 multi access spool (MAS)

A JES2 MAS must be entirely contained within one sysplex; including more than one MAS in a sysplex is not recommended.

A MAS in a sysplex must have a unique XCF group name. The default JES2 XCF group name is the local node name defined on the NAME parameter of the local NODE(nnnn) initialization statement. IBM® recommends that the default name be used, unless it conflicts with an existing XCF group name. The JES2 XCF group can contain up to 32 members.

Note: If there is more than one JES XCF group in a sysplex, automatic restarts may be affected. See Controlling job availability and recovery through automatic restart management for more information.