IBM MegaRAID 8480 manual SAS and Sata II Plugs and SAS Backplane Receptacle Connector

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Figure 2.4 SAS and SATA II Plugs and SAS Backplane Receptacle Connector

SAS Primary

Physical Link

Power

SAS Primary

Physical Link

Power

SATA II

Physical Link

Serial Attached SCSI

SAS Backplane

Receptacle Connector

Power

Serial ATA

SAS Secondary

Physical Link

SATA II/SAS

Primary

Physical Link

Note: SATA II backplane connectors do not accept SAS drives.

The following subsection provides step-by-step instructions for connecting the MegaRAID 8480 RAID controller to SAS and SATA II physical disks, either directly or through an expander. Figure 2.5 shows the controller connected to physical disks and to expanders, which then connect to physical disks.

2.4.1Connecting the MegaRAID 8480 RAID Controller to Drive Boxes and Drive Expanders

Figure 2.5 shows how to connect the external SAS cable from the

MegaRAID 8480 RAID controller to drive boxes or drive enclosures.

Follow these steps to connect a RAID controller with external connectors to a drive box or drive enclosure.

Step 1. Connect the 4-lane external PCB receptacle plug on the external cable to the external connector on your RAID controller.

Step 2. Connect the plug on the other end of the SAS cable to the connector on the drive box or drive enclosure.

2-8

MegaRAID 8480 Hardware Installation

 

Copyright © 2006-2007 by LSI Corporation. All rights reserved.

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Contents USER’S Guide L y 2 0 0Trademark Acknowledgment Audience OrganizationMegaRAID 8480 Device Driver Installation User’s Guide MegaRAID 8480 Software User’s GuideConventions Revision HistoryWeb site Safety Instructions IBM Customer SupportMail PhoneWhen Working Inside Your Computer ViiiPreface Contents Chapter MegaRAID 8480 Storage Adapter Characteristics Figures XiiContents Tables XivContents Chapter Overview OverviewMegaRAID Battery Backup Unit User’s Guide on MegaRAID 8480 RAID Controller Description General DescriptionController Limitations Configuration Scenario 4OverviewExample of LSI SAS Direct-Connect Application Number of Physical Disks Supported Physical Drives Required for Each RAID LevelBenefits of the SAS Interface Summary of MegaRAID 8480 RAID Controller Characteristics PCI Express ArchitectureOperating System Support SAS Features Sata II FeaturesUsability Features PCI Express PerformanceFlexibility Features Drive RoamingDrive Migration Hardware Specifications Specifications Technical SupportMegaRAID 8480 Storage Adapter Chapter MegaRAID Hardware Installation RequirementsQuick Installation Detailed InstallationReview the Controller Limitations Example of MegaRAID Board Installation in a PCI Express Slot Detailed Installation SAS Device Cables Sata II Connectors SAS and Sata II Plugs and SAS Backplane Receptacle Connector Copyright 2006-2007 by LSI Corporation. All rights reserved After Installing the Storage Adapter Chapter MegaRAID 8480 Storage Adapter Characteristics MegaRAID 8480 RAID ControllerMegaRAID 8480 RAID Controller Card Layout for the MegaRAID 8480 RAID ControllerMegaRAID 8480 RAID Controller Connectors Connector Description Type CommentsMegaRAID 8480 Storage Adapter Characteristics Technical SpecificationsMegaRAID 8480 Characteristics Storage Adapter Specifications Storage Adapter SpecificationsArray Performance Features Fault ToleranceArray Performance Features Fault Tolerance FeaturesElectrical Characteristics Safety CharacteristicsMaximum Power Requirements Operating and Non-operating ConditionsMegaRAID 8480 Storage Adapter Characteristics Configuration ActiveTermination ArrayHost Host adapterBoard Hot sparePeripheral devices RAID levelsSAS device Stripe sizeStriping

MegaRAID 8480 specifications

The IBM MegaRAID 8480 is a high-performance RAID (Redundant Array of Independent Disks) controller designed for enterprise-class storage environments. It delivers advanced data protection, high availability, and exceptional scalability, making it an ideal choice for businesses that require robust data management solutions.

One of the main features of the IBM MegaRAID 8480 is its support for both SAS (Serial Attached SCSI) and SATA (Serial ATA) drives, providing flexibility in storage configurations. This controller supports up to 128 devices, allowing organizations to build large, efficient storage arrays that can accommodate extensive data needs.

The MegaRAID 8480 utilizes advanced RAID levels, including RAID 0, 1, 5, 6, 10, 50, and 60, enabling users to select the level of data redundancy and performance that best fits their specific requirements. The controller also supports online capacity expansion and RAID level migration, ensuring that users can seamlessly adapt their storage configurations as their business evolves.

In terms of performance, the MegaRAID 8480 is equipped with 8GB of DDR4 cache memory, which significantly enhances data access speeds and provides improved I/O performance. With the ability to process a large number of transactions simultaneously, this controller is well-suited for demanding enterprise applications, such as database management systems and virtualized environments.

To further enhance data protection, the MegaRAID 8480 features battery-backed write cache technology. This ensures that data in the cache is not lost in the event of a power failure, safeguarding critical information. Furthermore, the MegaRAID SafeStore technology offers additional protection through encryption-key management, which helps safeguard sensitive data from unauthorized access.

Another notable characteristic is the intuitive management interface provided by the MegaRAID Storage Manager software. This tool streamlines storage monitoring and enables users to easily manage their RAID configurations. Additionally, the controller supports advanced diagnostic features that assist administrators in identifying and resolving potential issues before they escalate.

The IBM MegaRAID 8480 is designed for the modern data-driven enterprise, combining performance, reliability, and scalability into a comprehensive storage solution. With its robust set of features and cutting-edge technology, it empowers organizations to enhance their data management strategies while ensuring that their critical applications remain available and secure. This makes the MegaRAID 8480 a standout choice for businesses seeking to future-proof their storage infrastructure.