8z/OS Distributed File Service zSeries File System Implementation z/OS V1R11
1.8.1 Backup file system
The zFS file system that is the result of the clone operation is called the backup file system.
The backup file system is a read-only file system and can only be mounted as read-only. For
additional information about cloning, see 4.1, “Backup file system” on page 162.
1.9 zFS log files
Every zFS aggregate contains a log file that is created when the aggregate is formatted. This
log is used to record transactions describing changes to the file system structure. The default
for the log file is 1% of the aggregate size, but it can be changed during ...
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