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3-112 M3099GX/GH OEM Manual
Find logical units: Each possible logical unit number on the attached
targets should be tested for experience using an INQUIRY
command. Those found with a non-zero peripheral qualifier in the
INQUIRY data should not be included in the list of available logical
units. Each available logical unit should be added to the host
configuration information, identifying the associated logical unit
number, device type, manufacturer, and model.
Verify State: The verify state test should be made to clear any
outstanding errors, capture and clear UNIT ATTENTION
conditions, and determine the state of readiness of the available
logical units. The logical units should be identified as ready, not
ready, or failing by this test.
Device Initialization: The device undergoes a device-dependent
initialization process. This process is described for direct-access
devices, sequential-access devices, and processor devices. Other
device initialization procedures are not described since they tend to
be similar to one of these initialization procedures. The initialization
process takes into account the state of the device as identified during
the verify state test.
Device On-line: The successful completion of the device
initialization process allows the device-table entry to be fully enabled.
The device joins the system with all key parameters identified and
initialized. The device state is known and may be presented to the
system operator.
Verify State Test
The verify state test uses the following steps to identify any
outstanding errors, clear any UNIT ATTENTION conditions, and
determine the readiness of the devices. The verify state test should be
executed against each available logical unit.
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