February 2010
Intermediate to advanced
460 pages
16h 22m
English
book
z/OS Distributed File Service zSeries File System Implementation z/OS V1R11
by Paul Rogers, Robert Hering
Overview
The z/OS® Distributed File Service zSeries® File
System (zFS) is a z/OS UNIX® file system that can be used like
the Hierarchical File System (HFS). zFS file systems contain files
and directories, including Access Control Lists (ACLs), that can be
accessed with the z/OS HFS application programming interfaces
(APIs).
zFS file systems can be mounted into the z/OS UNIX hierarchy along
with other local or remote file system types (for example, HFS,
TFS, AUTOMNT, NFS, and so on). zFS does not replace HFS, but it is
the z/OS UNIX strategic file system and IBM® recommends
migrating HFS file systems to zFS. Beginning with z/OS V1R7, there
are no restrictions for file system structures that should be kept
as HFS instead of zFS.
This IBM Redbooks® publication helps you to install, tailor,
and configure new zFS file systems. This information can be used by
system administrators who work with the zFS component of the IBM
z/OS Distributed File Service base element.
The book provides a broad description of the new architecture of
the zFS file system. You can use it as a reference when converting
HFS file systems to zFS file systems. It will help you to create a
solution for migrating to zFS file systems, and to understand the
performance differences between HFS file systems and zFS file
systems.
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