Fujitsu MAN3735, MAN3367, MAN3184 specifications Format Unit command defect processing 1, FOV Dpry

Models: MAN3735 MAN3184, MAN3367, MAN3735 SERIES DISK DRIVES MAN3367 MAN3184

1 302
Download 302 pages 19.12 Kb
Page 161
Image 161

(4)Defect processing during initialization

Table 3.5 shows each combination of control flag specification values and the contents of processing executed by the IDD. Furthermore, see Chapter 3 “Data Format” of the “Product Manual” concerning alternate block allocation processing methods.

 

Table 3.5

FORMAT UNIT command defect processing (1 of 2)

 

 

 

 

 

 

 

 

 

 

 

CDB Byte 1

 

 

 

 

 

Header

 

 

 

 

 

 

 

 

 

 

FmtData

CmpLst

Defect

 

FOV

DPRY

Defect

Defect Processing Method

 

 

List

 

 

 

 

List

 

 

 

Format

 

 

 

Length

 

 

 

 

 

 

 

 

 

 

 

0

 

(Format parameters not

c Alternate block allocation is

 

performed for defects registered in

 

 

 

 

 

 

transferred)

 

 

(Note 4)

 

 

 

 

 

the P List.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

d The previously existing G List is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

erased.

1

0

d d d

 

0

0

Zero

c Alternate block allocation is

 

performed for defects registered in

 

(Note 1,

 

 

 

 

1

0

 

 

 

 

 

 

 

the P List and the previously

 

Note 2,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

existing G List.

 

Note 3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

d The previously existing G List is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

saved.

1

0

d

d

d

 

1

1

Zero

c Alternate block allocation is

 

 

 

 

performed for defects registered in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the previously existing G List.

 

(Note 1,

 

 

 

 

 

 

 

d The P List is saved, but it is not

 

 

 

 

 

 

 

 

used in defect processing.

 

Note 2,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

e The previously existing G List is

 

Note 3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

saved.

 

 

 

 

 

 

 

 

 

1

1

d d d

 

0

0

Zero

c Alternate block allocation is

 

performed for defects registered in

 

 

 

 

 

 

1

0

 

 

 

 

 

 

 

 

the P List.

 

(Note 1,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

d The previously existing G List is

 

Note 2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

erased and it is not used in defect

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

processing.

1

1

d d d

 

1

1

Zero

c Neither the P List or the G List is

 

used in defect processing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(alternate block allocation

 

(Note 1,

 

 

 

 

 

 

 

processing is not performed.)

 

 

 

 

 

 

 

 

d The P List is saved, but the

 

Note 2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

previously existing G List is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

erased.

1

0

1

0

0

 

0

0

>0

c Alternate block allocation is

 

performed for defects registered in

 

 

1

0

1

 

1

0

 

 

 

 

 

the P List, in the previously existing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G List and the defects described in

 

 

 

 

 

 

 

 

 

the D List transferred from the

 

 

 

 

 

 

 

 

 

INIT.

 

(Note 3)

 

 

 

 

 

 

 

d The D List is added to the

 

 

 

 

 

 

 

 

previously existing G List.

 

 

 

 

 

 

 

 

 

3 - 96

C141-E124-01EN

Page 161
Image 161
Fujitsu MAN3735, MAN3367, MAN3184 specifications Format Unit command defect processing 1, FOV Dpry

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.