Interface

Command data structure

Indicates the command received when an error occurs.

Error data structure

Indicates the status register when an error occurs.

Total number of drive errors

Indicates total number of errors registered in the error log.

Check sum

Two's complementary for the lowest-order 1 byte that is obtained by adding 1 byte after another for as many as 511 bytes beginning from the top of the structure.

Status

Bits 0 to 3: Indicates the drive status when received error commands according to the following table.

Bits 4 to 7: Vendor unique

Status

Meaning

 

 

0

Unclear status

 

 

1

Sleep status

 

 

2

Standby status

 

 

3

Active status (BSY bit = 0)

 

 

4

Off-line data collection being executed

 

 

5 to F

Reserved

 

 

Table 5.17 Data format of SMART Comprehensive Error Log

Byte

First sector

Next sector

 

 

 

00h

SMART Error Logging 01h

Reserved

 

 

 

01h

Index Pointer Latest Error Data Structure.

Reserved

 

 

 

02h...5Bh

1st Error Log Data Structure

Data Structure 5n + 1

 

 

 

5Ch...B5h

2nd Error Log Data Structure

Data Structure 5n + 2

 

 

 

B6h...10Fh

3rd Error Log Data Structure

Data Structure 5n + 3

 

 

 

110h...169h

4th Error Log Data Structure

Data Structure 5n + 4

 

 

 

16Ah...1C3h

5th Error Log Data Structure

Data Structure 5n + 5

 

 

 

1C4h...1C5h

Total Error Count

Reserved

 

 

 

1C6h...1FEh

Reserved

Reserved

 

 

 

1FFh

Checksum

Checksum

 

 

 

5-54

C141-E218

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Fujitsu MHV2100AT, MHV2080AT, MHV2120AT Command data structure, Error data structure, Total number of drive errors, Status