Table 5.3

Sense data error classification

(1 of 4)

 

 

 

 

 

 

 

 

 

 

 

K*

C*

Q*

 

 

Outline of Error

 

L*

Recovery Method

 

 

 

(See Table 4.4.)

 

 

 

 

 

 

 

 

0

 

x

x

No sense data showing the error contents are held.

 

None

4

 

 

 

 

 

 

 

 

1

 

13

00

Sync byte not found for data field

 

Need

8

 

 

15

xx

Positioning error

 

 

 

 

 

 

17

xx

Recovered error without ECC

 

 

 

 

 

 

 

 

These errors are errors detected during accessing of

 

 

 

 

 

 

 

the disk media, but they are recovered from through

 

 

 

 

 

 

 

the IDD's retry processing. However, when "1" is

 

 

 

 

 

 

 

 

specified in the DTE flag in the MODE SELECT

 

 

 

 

 

 

 

 

parameters, the command may not necessarily be

 

 

 

 

 

 

 

 

executed until it is completed.

 

 

 

1

 

37

00

Rounded parameter

 

None

9

 

 

 

 

 

The IDD's rounding processing was applied to the

 

 

 

 

 

 

 

MODE SELECT parameters specified by the INIT.

 

 

2

 

04

01

Logical unit not ready

 

Need**

10**

 

 

 

 

 

The logical unit specified by the command is in a

 

 

 

 

 

 

 

 

state where it cannot be accessed.

 

 

 

 

 

 

02

Logical unit not ready

 

 

 

2

 

04

04

Logical unit not ready, format in progress

 

None

11

 

 

 

 

 

The logical unit specified by the command is

 

 

 

 

 

 

 

 

currently being formatted, so access is impossible.

 

 

3

 

0C

03

Peripheral device write fault

 

Need

7

 

 

 

 

 

Unrecovered write offtrack error

 

 

 

 

 

 

 

 

The maximum number of write offtrack retries was

 

 

 

 

 

 

 

reached when AWRE = 0.

 

 

 

3

 

11

xx

Unrecovered read error

 

Need

12

 

 

13

00

Sync byte not found for data field

 

 

 

 

 

14

01

No record found

 

 

 

 

 

 

 

 

 

These errors were detected during accessing of the

 

 

 

 

 

 

 

disk media, but they were errors which could not be

 

 

 

 

 

 

 

recovered from through the IDD's retry processing.

 

 

3

 

15

xx

Positioning error

 

 

Need

12

 

 

 

 

 

This is an error of the disk drive’s seek system

 

 

 

3

 

19

xx

SA information error

 

Need

7

 

 

1C

xx

SA information error not found

 

 

 

 

 

 

 

 

The information recorded in (SA) on the disk

 

 

 

 

 

 

 

 

media cannot be read correctly.

 

 

 

 

 

 

 

 

 

 

 

 

*

K: Sense Key

 

C: Sense Code

 

 

 

 

Q: Sub-sense code

L: Logging Necessary? (shown in Section 5.2.3)

 

**Except within the time required for the disk drive to reach the ready state (approx. 20 seconds) after the power has been switched on, or after a start instruction has been executed by the START/STOP UNIT command.

5 - 16

C141-E124-01EN

Page 275
Image 275
Fujitsu MAN3184, MAN3367, MAN3735 SERIES DISK DRIVES specifications Sense data error classification

MAN3735, MAN3184, MAN3367, MAN3735 SERIES DISK DRIVES, MAN3367, MAN3184 specifications

Fujitsu's MAN3184, MAN3367, and MAN3735 series disk drives represent a significant advancement in storage technology, catering to the needs of businesses seeking reliability, performance, and high capacity. These drives are designed for enterprise environments, providing exceptional data integrity and speed essential for effective data management.

The MAN3184 series is renowned for its high rotational speed of 10,000 RPM, which significantly enhances data access times. With a capacity of up to 18.4 GB, these drives are suitable for applications requiring quick read and write operations. The series employs an improved read/write head technology, which reduces latency and increases overall performance. This technology is complemented by advanced error correction mechanisms, ensuring the reliability necessary for critical data applications.

Transitioning to the MAN3367 series, these drives offer increased storage capacity and improved performance metrics. With capacities reaching up to 36.7 GB, they cater to growing data demands in modern enterprises. They also feature a 10,000 RPM spindle speed, ensuring that the drives can handle intensive workloads with ease. The MAN3367 drives include SCSI interface support, making them versatile and easy to integrate into various systems. The inclusion of intelligent caching algorithms allows for faster data retrieval, while built-in thermal management features ensure optimal performance, even under heavy usage.

The MAN3735 series takes performance up another notch, boasting higher capacities of up to 73.5 GB. These drives are particularly suited for environments that require high reliability and availability. The series utilizes a state-of-the-art SCSI Ultra160 interface, which maximizes data transfer rates, ultimately enhancing overall system efficiency. Additionally, the MAN3735 series employs advanced data protection technologies, including power loss protection and predictive failure analysis, which proactively minimizes potential downtime.

All these series of Fujitsu disk drives are built with a focus on durability and sustained performance. They are designed to operate seamlessly in high-demand environments, ensuring that organizations can rely on them for critical applications. Their compact design and energy-efficient operation make them an ideal choice for modern data centers looking to optimize space and reduce power consumption.

In summary, Fujitsu's MAN3184, MAN3367, and MAN3735 series disk drives deliver a blend of high capacity, performance, and reliability. These drives incorporate advanced technologies that address the evolving needs of enterprise storage solutions, making them a valuable asset for any organization aiming to enhance their data management capabilities.