IBM ServeRAID M5025, User Manual

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ServeRAID M5025 SAS/SATA Controller User’s Guide 1-1
Chapter 1
Overview
This section provides a general overview of the ServeRAID
®
M5025
SAS/SATA controller with RAID control capabilities. It consists of the
following sections:

Section 1.1, “Overview”

Section 1.2, “ServeRAID M5025 SAS/SATA Controller Description
and Limitations”

Section 1.3, “General Description”

Section 1.4, “Configuration Scenarios”

Section 1.5, “Benefits of the SAS Interface”

Section 1.6, “Summary of the ServeRAID M5025 SAS/SATA
Controller Characteristics”

Section 1.7, “Hardware Specifications”

Section 1.8, “Technical Support”
1.1 Overview
The ServeRAID M5025 Serial Attached SCSI (SAS)/Serial ATA II (SATA
II) controller is a high-performance intelligent PCI Express-to-SAS/SATA
II adapter with RAID control capabilities. The ServeRAID M5025
controller provides reliability, high performance, and fault-tolerant disk
subsystem management. It is an ideal RAID solution for the external
storage of workgroup, departmental, and enterprise systems. The
controller offers a cost-effective way to implement RAID in a server.
SAS technology brings a wealth of options and flexibility with the use of
SAS devices and SATA II devices within the same storage infrastructure.
However, SAS devices and SATA devices bring individual characteristics
that make each one a more suitable choice depending on your storage