Log select 4ch, Log select 4ch 60 – HP C737990900 User Manual
Page 60
60 Commands
LOG SELECT
4Ch
The
Log Select
command causes log data on the drive to be reset to its default
value or to be set to an initiator specific value.
Pre-Execution Checks:
Command Descriptor Block:
CDB Fields:
The following are valid combinations of values for the PCR (Parameter Code
Reset), Parameter List Length and PC (Page Control) fields:
Otherwise
CHECK CONDITION
status is returned, the sense key is set to
ILLEGAL
REQUEST
with additional sense of 2400h (Invalid Field in CDB).
Illegal Field
Reservation
Deferred Error
Unit Attention
7
6
5
4
3
2
1
0
0
Operation Code (4Ch)
1
Reserved (0)
PCR
SP (0)
2
PC
Reserved (0)
3
Reserved (0)
6
7
(MSB)
Parameter List Length
8
(LSB)
9
Control
PCR
Parameter List Length
PC
Result
1
0
01b
or
11b All the logs on the drive that can be reset are reset
to their default values.
1
0
00b
or
10b No action is taken and
GOOD
status is returned.
0
>0
01b
or
11b Data is sent from the host and is written to the
indicated logs, provided those logs are writable.
PCR
0
Parameter Code Reset. The function performed is defined by the PC field.