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3-32 Initial Configuration 601354 Rev A
Create a Drive
After all archives at a site are successfully configured and
registered with VolServ, at least one drive must be defined and
associated with an archive.
The Create Drive command is used to define a drive; four
drive statistics are associated with it. These are the usage count,
current usage time, total usage time, and error count. These
built-in statistics are provided by VolServ software, but only the
usage count is automatically updated by VolServ software.
Usage count indicates the number of times that media are
mounted to a drive.
VolServ clients are responsible for keeping the other three
statistics values updated. It is recommended that they be
defined as follows:
• Current usage time indicates read/write operation time in
seconds since the latest preventive maintenance
• Total usage time indicates the read/write operation time in
seconds since the drive definition
• Error count indicates the number of read/write errors
All statistics are initialized to zero when a drive is defined. Two
of these statistics are cleared when a drive is varied to an
on-line state. Refer to “Vary Drive” on page 4-22.
Drive definition is performed via the GUI. Its parameters
consist of the drive ID and media type that the drive supports.
After a drive is defined, it cannot be changed. It must be deleted
and defined again.
Note
VolServ has to be running to define a drive.