Sense Data Error Recovery Methods

 

 

Table 5.2

Sense and subsense codes (3 of 5)

 

 

 

 

 

 

 

C*

Q*

Name

 

Explanation

Sense

 

 

 

 

 

key

1F

00

Partial Defect List Transfer

Read Defect Data command (37h) cannot transfer all the Defect data

1

 

 

 

in the target because the numbers of defect exceeded the maximum.

 

 

 

 

 

 

20

00

Invalid command

CDB byte 0 (operation code) is illegal.

5

 

 

operation code

 

 

 

 

 

 

 

 

21

00

Logical block address out

A logical block address which exceeds the drive's maximum value

5

 

 

of range

was specified.

 

 

 

 

 

 

24

00

Invalid field in CDB

There is an error in a specification in the CDB.

5

 

 

 

 

 

25

00

Logical unit not supported

An illegal LUN was specified.

5

 

 

 

 

 

26

00

Invalid field in parameter

There is an error in the parameter list specifications transferred from

5

 

 

list

the INIT during command execution.

 

 

 

 

 

 

 

04

Invalid Release of

There is unmatched valid reservation status in the parameter list

5

 

 

Persistent Reservation

specifications

 

 

 

 

 

 

27

00

Write protected

A write operation was attempted in a write protected area. Or a

7

 

 

 

write operation is prohibited at the external operation panel.

 

 

 

 

 

 

29

01

Power on occurred

Power On occurred.

6

 

 

 

 

 

 

02

SCSI reset occurred

A SCSI RESET was received.

6

 

 

 

 

 

 

03

TARGET RESET message

A TARGET RESET message was received.

6

 

 

occurred

 

 

 

 

 

 

 

 

 

05

Transciever mode changed

Transciever mode was changed to Single-Ended mode.

6

 

 

to Single-Ended

 

 

 

 

 

 

 

 

 

06

Transciever mode changed

Transiever mode was changed to LVD mode.

6

 

 

to LVD

 

 

 

 

 

 

 

 

2A

01

Mode parameter changed

The MODE SELECT parameter values were changed by another INIT.

6

 

 

 

 

 

 

03

Reservations preempted

A persistent reserve state was cleared by another INIT.

6

 

 

 

 

 

 

04

Reservations released

A persistent reserve state was released

6

 

 

 

 

 

 

05

Registrations preempted

A persistent reserve state was prempted by another INIT.

6

 

 

 

 

 

2F

00

Command cleared by

A command was forcibly terminated by another INIT during

6

 

 

another INIT

execution or queuing.

 

 

 

 

• By a CLEAR QUEUE message

 

 

 

 

• The sense hold state was entered when the QErr bit was set on "1."

 

 

 

 

• The DQue bit was changed from "0" to "1."

 

 

 

 

 

 

31

00

Medium format corrupted

The media format is different from the original format. (The media

3

 

 

 

was not formatted after the data format specification was changed by

 

 

 

 

the MODE SELECT command.)

 

 

 

 

 

 

 

01

FORMAT command failed

For some reason, formatting cannot be completed and reformatting

3

 

 

 

is necessary.

 

32

00

No defect spare location

No usable alternate block area exists. Or alternate block processing

4

 

 

available

cannot be performed due to control table overflow.

 

 

 

 

 

 

 

01

Defect list update failure

Updating of the defect list (G List) failed.

4

 

 

 

 

 

37

00

Rounded parameter

Rounding processing of the MODE SELECT parameter specified by

1

 

 

 

the command was performed.

 

 

 

 

 

 

 

*C: Sense Code, Q: Sub-sense Code

5 - 8

C141-E167

Page 242
Image 242
Fujitsu MAS3735, MAP3367, MAP3147, MAP3735, MAS3367 specifications Sense and subsense codes 3

MAP3735, MAP3147, MAS3367, MAP3367, MAS3735 specifications

Fujitsu, a renowned leader in technology and innovation, has developed a variety of reliable hard disk drives (HDDs) that cater to a wide range of data storage needs. Among these, the MAS3735, MAP3367, MAS3367, MAP3147, and MAP3735 series stand out for their advanced features and exceptional performance.

The MAS3735 is a high-capacity enterprise-class drive that boasts a storage capacity of up to 300 GB. Its 10,000 RPM spindle speed ensures rapid data retrieval and efficient performance, making it ideal for data-intensive applications. It utilizes a Serial Attach SCSI (SAS) interface, which allows for improved data transfer rates and increased reliability compared to traditional SATA drives. The drive is designed with advanced technologies such as error recovery and data integrity features, ensuring the safety and security of critical data.

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On the other hand, both MAP3147 and MAP3735 models provide versatile solutions for various applications, supporting capacities from 36 GB to 147 GB. The MAP3147, with its 10,000 RPM speed, is optimized for workloads requiring quick access and high throughput, making it suitable for transactional systems and enterprise applications. The MAP3735, while offering comparable capacity, emphasizes exceptional reliability and durability, which is crucial for environments that involve heavy data loads.

All these Fujitsu HDDs are characterized by their robust construction, reliability, and efficiency. They are built to withstand heavy workloads and are equipped with features like advanced thermal management and acoustic noise reduction, ensuring they operate effectively in data center environments.

In conclusion, Fujitsu's MAS3735, MAP3367, MAS3367, MAP3147, and MAP3735 series HDDs are designed for high performance and reliability, catering to both enterprise and mid-range environments. Their advanced features make them a strong choice for businesses looking to enhance their storage solutions while maintaining data integrity and system performance.