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
Content preview from z/OS Distributed File Service zSeries File System Implementation z/OS V1R11
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168 z/OS Distributed File Service zSeries File System Implementation z/OS V1R11
4.3.2 Using a clone for taking a backup
If you have huge zFS file systems with fairly simple directory and file structures, and thus
rather small metadata, there is another choice available for taking backups with zFS. You can
create a read-only clone, mount it read-only, and then take a backup of the clone while the
original file system may be used and changed. A sequence of creating a clone and mounting
it is shown in Figure 4-6.
Figure 4-6 Creating a clone and mounting it for backup
Figure 4-7 shows how to create a backup pax archive in a preallocated MVS data set. ...
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