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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28 z/OS Distributed File Service zSeries File System Implementation z/OS V1R11
In this example, the extension was a single 3-cylinder extent because the total size specified
was 360 and the primary allocation was 1 cylinder (1 cylinder = 90 8 K blocks; 360-90 = 270;
270/90 = 3 cylinders more than what DFSMS managed to find in a single extent).
2.7.3 Formatting aggregates with the -grow option
Beginning with z/OS V1R4, a new option was created to allow control of the amount of space
that is formatted after an aggregate is defined.
When an aggregate is initially formatted using the IOEAGFMT format utility or the zfsadm
format command, the formatting ...
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