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更新时间： 2024-11-17 23:35:31

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SureLINK Ultra160 domain validation

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SURELINK 数据手册

SureLINK

Ultra160 Domain Validation

S U R E L I N K T E C H N O L O G Y O F F E R S S E R V E R S , S T O R A G E

S U B S Y S T E M S A N D W O R K S T A T I O N S T H E I N D U S T R Y ’ S

N E W E S T A N D M O S T A D V A N C E D M E T H O D O F

E N S U R I N G U L T R A 1 6 0 S C S I I N T E G R I T Y

B E N E F I T S

SureLINK domain validation

technology ensures robust

Ultra160 SCSI performance

through a variety of capabilities:

O V E R V I E W

LSI Logic’s SureLINK^™domain validation technology offers the most

comprehensive and reliable method available today for enhancing Ultra160

SCSI performance. A significant advancement in system manageability,

SureLINK technology ensures robust and low-risk Ultra160 implementations

by optimizing the interoperability of SCSI devices. SureLINK domain valida-

tion is integrated in the Storage Device Management System (SDMS^™) soft-

ware solution. SDMS software provides the software control for the manage-

ability enhancements in LSI Logic’s highly integrated LSI53C1010 PCI-Dual

Channel Ultra160 SCSI controller, as well as the LSI53C180, the industry’s

first Ultra160 SCSI bus expander. The groundbreaking SureLINK domain

validation technology, backed by LSI Logic’s long history of providing innovative

SCSI I/O solutions, can enable OEMs, designers and system integrators to

deliver a highly competitive Ultra160 SCSI offering for servers, storage sub-

systems and workstations.

• Verifies Ultra160 link integrity

• Ensures system operation at

Ultra160 speeds

• Reduces system downtime

• Identifies marginal cabling

environments

• Enables seamless integration

with SDMS software

• Improves boot reliability

F E A T U R E S

• Implementation of the SPI-3

Domain Validation Annex

guidelines

SureLINK domain validation, performed at boot time as well as through-

out system operation, verifies that the system is capable of transferring data

at Ultra160 speeds, allowing it to renegotiate to lower speed and bus width

if necessary. SureLINK technology. Extends the domain validation guidelines

documented in the SPI-3 Annex. SureLINK technology performs basic,

enhanced and margined domain validation. SureLINK domain validation

significantly improves system manageability by assuring that the system has

margin at its given operating speed. This cable plant margining capability,

exclusive to LSI Logic’s Ultra160 solution, includes end-to-end margining

from the LSI53C1010 controller through the LSI53C180 bus expander to the

target device. Also, key to the LSI53C180 bus expander is its ability to cou-

ple bus segments together without any impact to SCSI protocol or software,

for entirely transparent communication.

• Basic Integrity Check

(Level 1)

• Enhanced Integrity Check

(Level 2)

• Extension of domain validation

to Margined Integrity Check

(Level 3)

• Detects marginal cable and

backplane configurations that

may limit performance

The domain validation capability of SDMS software is available as an

independent application, as well as integrated in the DMI-based (Desktop

Management Interface) system management solution for enterprise class

implementations, providing the network administrator remote management

capability. SureLINK technology’s SDMS software also enables and manages

Asynchronous Information Protection (AIP), which safeguards all non-data

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