186z/OS Distributed File Service zSeries File System Implementation z/OS V1R11
5.1 zFS shared sysplex support
zFS file systems can be shared in a sysplex environment. This means that users in a sysplex
can access a zFS file in a file system that is owned and mounted on another system in the
sysplex. zFS uses the same support for sharing as shared HFS, which became available with
OS/390 V1R9.
With shared HFS support, all file systems that are mounted by a participating system are
available to all participating systems. When a zFS file system is mounted by a participating
system, that file system is accessible by any other participating system. ...
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