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Fujitsu MAN3735, MAN3367 Stpf stop format Default value, Immed Immediate, Defect list length

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

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ξSTPF (stop format): Default value: “1”

When the defect list (P List or G List) necessary for executing the defect processing specified in this command, cannot be read from the disk media, this bit indicates whether to continue (“0” is specified) or terminate (“1” is specified) command processing, but in the IDD, this bit’s specification is disabled, and the specified value is disregarded. When the necessary defect list cannot be read, this command is terminated with a CHECK CONDITION status. The sense data at this time indicate “MEDIUM ERROR [=3] / Primary defect list not found [=1C-01]” or “MEDIUM ERROR [=3] / Defect list error in primary list [=19-02],” if the P List cannot be read and “MEDIUM ERROR [=3] / Grown defect list not found [=1C-02]” or “MEDIUM ERROR [=3] / Defect list error in grown list [=19-03],” if the G List cannot be read.

ξImmed (Immediate)

“1” : If “1” is specified in the Immed (immediate) bit, at the point when the CDB’s legality is confirmed, or at the point when transfer of the defect list is completed, a “GOOD” status is reported.

“0” : If “0” is specified in the Immed (immediate) bit, the specified operation is executed and the status byte is reported at the point when that operation is completed, then the command is terminated.

ξDefect list length

This field specifies the total number of bytes in the “Defect list” transferred from the INIT following the header. The byte length of the “Defect descriptor” which configures the defect list differs depending on its format and the value specified by this field must be a multiple of 4 when the defect descriptor is in the block address format, and must be a multiple of 8 when the defect descriptor is in the byte distance from the index format or the physical sector address format. When zero is specified in this field, it indicates that the defect list is not transferred.

Note:

The disk media defect processing method implemented during FORMAT UNIT command execution is specified by the CDB and by header of the format parameters transferred from the INIT. By specifying zero in the “Defect list length” field in the Format parameter header, the INIT can specify the control flags related to formatting processing without transferring the defect list (D List).

b.Defect list (D List)

The defect list (D List) contains defect position information about the disk media specified by the INIT and is configured from one or more “Defect descriptors.” “Defect descriptors must be described in the format specified in the “Defect List Format” field of the CDB.

The configurations which it is possible to specify for the “Defect descriptors” in the defect list (D List), and their description formats, are shown below. Furthermore, it is possible only to specify User Space and CE Space address information on the disk media in the Defect list (D List).

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Fujitsu MAN3735, MAN3367, MAN3184 specifications Stpf stop format Default value, Immed Immediate, Defect list length
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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.