February 2011
Intermediate to advanced
294 pages
11h 53m
English
Content preview from Pro Data Backup and Recovery
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CHAPTER 7 ■ SOFTWARE ARCHITECTURES—NETBACKUP
164
not based on the capacity of the storage or the performance of the array. If the capacity of a particular
LUN or mount point is becoming full (80–85 percent or greater), it is time to add another. If the overall
ability of the array to absorb additional IOPS is being reached, it is time to look at the addition of an
additional array or to upgrade the existing array to be able to process more I/O. Neither of these
conditions necessarily warrants a new Media Server—neither space nor array performance additions
simply imply the potential of an additional device within a DSU.
However, when the addition of devices causes any one of these issues, it is time to consider a new
Media Server:
• CPU utilization ...
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