User's Guide

Chapter 3 Emulated DLT7000 SCSI Commands
Mode Select (6 /10) (15h / 55h)
182 Quantum DX-Series Software Interface Guide
Table 138 Error
Recovery Page - Field
Descriptions
Field Name Description
PS Parameters Savable. For MODE SELECT, this bit
must be 0.
Additional
Page Length
This field indicates the number bytes in the page.
However, the value does not include bytes 0 and 1.
The length is returned in MODE SENSE commands
and must subsequently be set to the same value
when performing MODE SELECT. If the page
length does not match that expected by the drive, a
CHECK CONDITION status is returned, sense key
set to ILLEGAL REQUEST.
The drive returns a CHECK CONDITION status
with sense key set to ILLEGAL REQUEST if it
receives an unsupported Page Code or a Page field
with values not supported or changeable. In such
cases, no parameters are changed as a result of the
command.
TB Transfer Block. Not supported.
EER Enable Early Recovery. Set to 1 (always enabled).
PER Post Error. Default is 0. When set to 1, this bit
enables reporting of Check Condition for recovered
READ / WRITE errors.
DTE Disable Transfer on Error. Must be 0. Not
supported.
DCR Disable ECC Correction. Must be 0. Not supported.
Read Retry
Count
This field reports the maximum number or rereads
that are attempted before declaring an
unrecoverable error.
Write Retry
Count
This field reports the maximum number of
overwrite retries that will be attempted before
declaring an unrecoverable error.
Tech Tip: Parameters are accepted, but not acted on.