SCSI Log Select Command

The SCSI Log Select command is used to modify data in the log pages of a SCSI target device. The CDB structure for the Log Select command is:

The special parameter fields in the CDB have the following meaning:

*PCR - Parameter Code Reset - if this is one then all parameter codes will be reset to their default values

*SP - Save Parameters - if this is one then the target should save all saveable log parameters to a non-volatile memory or media area

*PC - Page Control - this indicates which type of values will be sent:
**00 - Threshold Values
**01 - Cumulative Values
**10 - Default Threshold Values
**11 - Default Cumulative Values

*Parameter List Length - in bytes

*Page Code - this indicates which log page will be selected:
**00 - List of supported log pages
**01 - buffer overrun
**02 - write error counters
**03 - read error counters
**05 - verify error counters