Parameter Code
DU
DS
TSD
ETC
TMC
LP
Parameter Length
Rewrite Counter
Tandberg Data
The Parameter Code is set to 0001h.
A Disable Update (DU) bit set to 0 indicates that the
Drive is free to update the counter.
A DU bit set to 1 indicates that the Drive shall not
update the counter except in response to a LOG SELECT
command that specifies a new value for the counter.
The initiator may use the LOG SELECT command to set or
clear the DU bit.
The Drive sets the DU bit to 1 when the counter reaches
its maximum value (FFFFFFFFFFFFFFFFh).
The Disable Save (DS) bit is set to 0 to indicate that
the Drive does support saving of this log parameter.
(Note: This bit can not be changed by the initiator)
The Target Save Disable (TSD) bit is set to 0. The Drive
will save this log parameter each time a cartridge is
unloaded.
(Note: This bit can not be changed by the initiator)
An
Enable
Threshold
whether comparison to the threshold value is performed
or not.
The default value is 0. See the LOG SELECT command for
further description.
The Threshold Met Criteria (TMC) field is valid only if
ETC
bit
is
1
and
Threshold Met Criteria.
The default value is 11b. See the LOG SELECT command for
further description.
The List Parameters (LP) bit is set to 0 to indicate
that the parameter is a data counter.
(Note: This bit can not be changed by the initiator)
This field is set to 08h to indicate that the counter is
8 bytes wide.
This counter counts re-writes during write operations.
When a block is re-written (one or more times), the
counter
is
incremented
performed each time capstan motor stops.
13-8
Tandberg SLR Product Line SCSI Functional Specifications
Comparison
(ETC)
it
selects
one
by
one.
The
Log Sense
bit
indicates
of
four
possible
increment(s)
are
Need help?
Do you have a question about the SLR7-140 PROGRAMMER and is the answer not in the manual?
Questions and answers