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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Chapter 2. Installing and using zFS 23
Secondary allocations
When the primary amount on the first volume is used up, a secondary allocation amount is
allocated on that volume. Each time a new record does not fit in the allocated space, the
system allocates more space in the secondary space amount. This can be repeated until the
volume is out of space or the extent limit is reached.
When you allocate space for your data set, you can specify both a primary and a secondary
allocation. A primary space allocation is the initial amount of space allocated. A secondary
allocation is the amount of space allocated each time space is used up. It is possib ...
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