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A Fast Ready Hit is a mount that the host requested where the category of the
volser was designated as a "Fast Ready" category. This type of mount does not
require any recall of data from tape. This is the fastest type of mount.
A Cache Hit is a mount where the volume to be mounted still resides within the
VTS cache. This type of mount does not require any recall of data from tape.
A Physical Mount Required means that a stacked volume needed to be mounted
and data read from it to satisfy the logical mount request. This is the slowest type
of mount. This is also known as a cache miss.
The graph displays three lines, one for each type of mount, as a percentage of the
total number of mounts for an hour.
Figure 101. VTS Mount Hit Data Window
The VTS Mount Hit Data window has the following available on its menu bar:
Refresh
Help
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3494 Tape Library Operator Guide
Refreshes or updates the contents of the window immediately. You can also
click the pointing device in the client area of the window.
Provides help about the VTS Mount Hit Data window.
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