Cybernetics miSAN-V6, Руководство оператора

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81 Operating the Web Control Panel
Cybernetics UM-MV-86-B1-0801
Host access
Host access enables you to access the physical tape drive directly from your soft-
ware, bypassing the disk cache. This is often useful for restoring directly from a
physical tape.
Enabling host access
Choose one of the virtual devices listed in the “Host access” submenu, and the
miSAN-V-Series will temporarily reconfigure the selected virtual device to map to
the physical tape drive.
Using host access
You may load and eject physical tapes at will. If you are using a virtual standalone
drive, the virtual drive simply mirrors the state of the physical drive. If you are
using a virtual stacker, the miSAN-V-Series simulates the operation of a stacker
with only one tape in its inventory. The miSAN-V-Series lets the software move
the single physical tape around in the virtual stacker, however the physical tape
just remains loaded in the tape drive. If you physically eject and replace the tape,
to your software it looks like you opened the stacker door, changed the tape in the
magazine slot, and then closed the stacker door.
Disabling host access
– Go back to the “Host access” submenu and choose
“Disable”. The miSAN-V-Series will reconfigure the virtual device to access the
virtual tapes rather than the physical tape drive.
Job control
This menu enables you to suspend any jobs using the physical tape drive. This
can also be accomplished via the “Jobs” tab (See
“Jobs Tab” on page 99 ).
If the tape drive is located in a stacker, then the Menu button offers only a “Help”
option that tells you to use the stacker’s Menu button; all control for the stacker’s
tape drive(s) is handled using the stacker’s Menu button (See “Physical Stacker
Device Panel” on page 82 ).