HP Q153090901 Technical Reference Manual page 86

Ultrium tape drives generation 3 drives volume 3-the scsi interface
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RHA
ALWLI
DTIPE
DTOLI
RR_TOV Units
RR_TOV
86
Commands
Require Hard Address.
If the drive is not attached to an arbitrated loop, the RHA bit is
ignored.
0 The drive follows the normal initialization procedure, including the possibility of
obtaining a soft address during the loop initialization process.
1 When attached to an arbitrated loop, the drive will only attempt to obtain its hard
address (available via the device address jumpers) during loop initialization. The
drive will not attempt to obtain an address during the LISA phase of initialization.
If there is a conflict for the hard address selection during loop initialization or it
does not have a valid hard address available, the drive will enter the non-
participating state. If the drive detects loop initialization while in the non-
participating state, it will again attempt to get its hard address. If the hard address
has not changed from the address obtained in a previous successful loop
initialization, the drive will attempt to obtain the address in the LIFA phase if a
valid Fabric Login exists or in the LIPA phase of loop initialization. If the hard
address has changed, the target will attempt to obtain the new address in the
LIHA phase.
Allow Login Without Loop Initialization
0 The drive is required to verify its address through the loop initialization process
before a login is accepted.
1 The drive uses the hard address available in the SCA connector or device address
jumpers and accepts logins without verifying the address with loop initialization.
Disable Target Initiated Port Enable
0 The drive enables its port into the loop without waiting for a Loop Port Enable
primitive.
1 The drive waits for an initiator to send the Loop Port Enable primitive before
inserting itself into the loop. The drive uses the hard address available in the SCA
connector or device address jumpers to determine if primitives are addressed to it.
A Loop Port Enable primitive with the broadcast address will also cause the drive
to insert itself into the loop.
NOTE:
If the DTIPE bit is set to 1, the PLPB bit must be set to 0.
Disable Target Originated Loop Initialization
0 The drive generates the Initializing LIP after it enables a port into a loop.
1 The drive does not generate the Initializing LIP following insertion into a loop. It
will respond to an Initializing LIP when it is received. It will generate the Loop
Failure LIP at its input and the Initializing LIP when the loop failure is corrected.
Resource Recovery Time-Out Value Unit.
follows:
000b No timer specified
001b 0.001s
011b 0.1s, units used by HP Ultrium drives
101b 10s
The number of time units specified by the RR_TOV Units field that are used by the timer
that performs the RR_TOV time-out functions.
F0h 240 x 0.1s units = 24 seconds
The field specifies the unit of measure as

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