Table A-3 Most Common SCSI Additional Sense Code/Qualifier Pairs (continued)

SCSI Additional Sense

SCSI Qualifier Code

Meaning

Code

 

 

0x04

0x00

Logical unit not ready, cause not reportable

 

0x01

Logical unit in process of becoming ready

 

0x02

Logical unit not ready, initializing command required

 

0x03

Logical unit not ready, manual intervention required

 

0x04

Logical unit not ready, format in progress

 

0x05

Logical unit not ready, rebuild in progress

 

0x06

Logical unit not ready, recalculation in progress

 

0x07

Logical unit not ready, operation in progress

 

0x08

Logical unit not ready, long write in progress

 

0x09

Logical unit not ready, self-test in progress

0x05

0x00

Logical unit does not respond to selection

0x0a

0x00

Error log overflow

0x0b

0x00

Warning

 

0x01

Warning - specified temperature exceeded

 

0x02

Warning - enclosure degraded

0x0c

0x00

Write error

0x11

0x00

Unrecovered read error

 

0x01

Read retries exhausted

 

0x08

Incomplete block read

 

0x09

No gap found

0x12

0x00

Address mark not found for ID field

0x13

0x00

Address mark not found for data field

0x14

0x00

Recorded entity not found

 

0x01

Record not found

 

0x02

Filemark or setmark not found

 

0x03

End-of-data not found

 

0x04

Block sequence error

0x15

0x02

Positioning error detected by read of medium

0x16

0x00

Data synchronization mark error

 

0x01

Data sync error - data rewritten

0x1a

0x00

Parameter list length error

0x1b

0x00

Synchronous data transfer error

0x20

0x00

Invalid command operation code

0x21

0x00

Logical block address out of range

0x24

0x00

Invalid field in cdb

SCSI Status Codes, Sense Keys, and Sense/Qualifier Code Pairs 67

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HP Ultra320 A7173A manual Logical unit not ready, cause not reportable

Ultra320 A7173A specifications

The HP Ultra320 A7173A is a high-performance Storage Area Network (SAN) component, widely recognized for its reliability and efficiency in data storage solutions. Designed to support the demands of enterprise-level applications, this SCSI (Small Computer System Interface) controller excels in providing fast and reliable data transfer, making it a preferred choice for businesses that require robust storage solutions.

One of the standout features of the A7173A is its ultra-fast data transfer rate. It is capable of achieving speeds of up to 320 MB/s, which is made possible through the Ultra320 SCSI technology. This speed enhancement is crucial for applications requiring quick access to large volumes of data, thus improving overall system performance. The controller maintains compatibility with previous SCSI standards, allowing for interoperability in diverse environments and ensuring that organizations can leverage their existing infrastructure.

The A7173A is built on advanced technologies that enhance its performance and reliability. These include intelligent data buffering and error correction mechanisms, which minimize the likelihood of data loss and improve the integrity of information during transfers. Additionally, the controller features multiple device connections, accommodating up to 15 devices on a single chain. This scalability offers flexibility in expanding storage solutions based on organizational needs.

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Moreover, the A7173A comes with comprehensive management features, enabling administrators to monitor and optimize storage performance effectively. These features help in anticipating issues before they escalate, thereby minimizing downtime and facilitating smoother operations.

In essence, the HP Ultra320 A7173A is a comprehensive SAN solution that offers exceptional speed, reliability, and scalability. Its advanced technologies and versatile compatibility make it an ideal component for organizations looking to optimize their data storage infrastructure while ensuring robust performance across diverse applications. Investing in the A7173A can lead to marked improvements in data management, ultimately contributing to business efficiency and continuity.