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Fujitsu MAP3147 Logical Unit scope, Element scope not supported by MA*3*** series product

Models: MAP3735 MAP3147 MAS3367 MAP3367 MAS3735

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Command Specifications

Code

Name

Description

 

 

 

0h

Logical Unit

Persistent reservation applies to an entire logical unit

1h

Reserved

Reserved

2h

Element

Persistent reservation applies to the specified element

 

(not supported)

 

3h-Fh

Reserved

Reserved

 

 

 

3.1.18.3.1.1 Logical Unit scope

The "Scope" field value of the Logical Unit indicates that persistent reservations apply to the entire Logical Unit. All of the drives supporting PERSISTENT RESERVE OUT are required to support the scope of the Logical Unit.

3.1.18.3.1.2 Element scope (not supported by MA*3*** series product)

The "Scope" field value of the logical unit indicates that persistent reservations apply to the element of the logical unit defined in the "Scope-specific Address" field on the PERSISTENT RESERVE OUT parameter list. An element is defined with the SCSI-3 Medium Changer Commands (SMC) standard. Support of Element Scope is optional.

3.1.18.3.2 Persistent reservations type

The "Type" field value defines the reservation attributes applied to data blocks within the logical unit. Table 3.2 shows attributes for four Type values. Table 3.2 shows the code value for each Type and requirements for the supporting drive. The requirements for the supporting drive are explained in two paragraphs. The first paragraph describes the handling required for read operations. The second paragraph describes the handling required for write operations.

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Fujitsu MAP3147 Logical Unit scope, Element scope not supported by MA*3*** series product, Persistent reservations type
Page 115 Page 117

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.

Similarly, the MAP3367 and MAS3367 models are geared towards both enterprise and mid-range server environments, providing a storage capacity of up to 300 GB as well. These drives also operate at a spindle speed of 15,000 RPM, offering swift access times that enhance overall system performance. The MAP3367 employs the Ultra 320 SCSI interface, allowing for significant bandwidth and ensuring data is transmitted efficiently.

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.