September 2012
Intermediate to advanced
1680 pages
88h 3m
English
As the name implies, quarterly maintenance is performed four times a year. Areas to maintain and manage on a quarterly basis are typically fairly self-sufficient and self-sustaining. Infrequent maintenance is required to keep the system healthy. This does not mean, however, that the tasks are simple or that they are not as critical as those tasks that require more frequent maintenance.
Storage capacity on all volumes should be checked to ensure that all volumes have ample free space. Keep approximately 25% free space on all volumes.
Running low or completely out of disk space creates unnecessary risk for any system. Services can fail, applications can stop responding, and systems can even crash if ...
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