AIX Storage Management

This describes how rapidly the data can be obtained from the device (once

located). Interactive applications tend to require a high data rate, whilst

batch applications can usually tolerate lower data rates.

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Online life

This describes how long data will need to be accessible on the device, and

is sometimes known as data age. Data age is usually inversely proportional

to access frequency, and therefore high values here usually imply the use of

low cost, low speed, high capacity devices.

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Interchange requirements

Will the information stored on this device be exchanged with other systems?

If this is the case, then some form of removable media will be required.

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Longevity

If archive, backup or even reference information is to be stored for long

periods of ...