Bit 7 6 5 4 3 2 1 0
Byte
... Error Event data (n bytes)
13 +
(n-1)
(LSB)
(13 +
n
(MSB)
... Error Event description (max. 80 ASCII characters)
96 (LSB)
Field descriptions:
Parameter Code:
The Parameter Code is a 2-byte value that uniquely identifies the error event structure the log. It
ranges between 1 and 64.
DU: Disable Update is set for any parameter that the Host cannot reset.
DS: Disable Save. The media changer has no support for SP bit. Set to 1.
TSD: Target shall determine save method.
ETC: No threshold comparison
TMC: No threshold supported
LP: The List Parameter field is set to zero for parameters that are counters and set to one for
parameters that are not counters.
Parameter Length:
The parameter length field specifies the length of the whole error event structure without the 4
byte header.
Event Type:
This field specifies the event type. Since this page only returns error events it is set to 80h,
indicating Hard Error event.
Source module ID of Error Event:
This field specifies the ID of the source module which generated the error event. See Log Sense
page 07h for detailed information about the possible source module IDs.
Time of Event:
This field records the time the error event took place.
Length of Error Event data:
This field specifies the length in number of bytes of the error event data field.
Error Event data:
This field returns specific information about the error event.
Error Event description:
This field describes the error event in ASCII text. The returned string is zero terminated. The
maximum string length returned is 80 bytes.
3-20 TL2000 and TL4000 SCSI Reference
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