LSI Logic megaraid sas 9341-8i sgl [7/45] Megaraid sas 9361 4i raid controller and megaraid sas 9361 8i raid controller

LSI Logic megaraid sas 9341-4i kit [7/45] Megaraid sas 9361 4i raid controller and megaraid sas 9361 8i raid controller
Avago Technologies
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12Gb/s MegaRAID SAS RAID Controllers User Guide
February 2015
Chapter 1: Overview
12Gb/s MegaRAID SATA+SAS RAID Controllers – Detailed Descriptions
1.3 12Gb/s MegaRAID SATA+SAS RAID Controllers – Detailed Descriptions
The 12Gb/s MegaRAID SATA+SAS RAID controllers are described in detail in the following subsections.
1.3.1 MegaRAID SAS 9341-4i RAID Controller and MegaRAID SAS 9341-8i RAID Controller
The 12Gb/s MegaRAID SAS 9341-4i PCIe 3.0 Low-Profile Serial-Attached SCSI/SATA Disk Array Controller
controls four internal SAS/SATA ports through one SFF-8643 mini-SAS HD-4i internal connector.
The 12Gb/s MegaRAID SAS 9341-8i PCIe 3.0 Low-Profile Serial-Attached SCSI/SATA Disk Array Controller
controls eight internal SAS/SATA ports through two SFF-8643 mini-SAS HD-4i internal connectors.
1.3.2 MegaRAID SAS 9361-4i RAID Controller and MegaRAID SAS 9361-8i RAID Controller
The 12Gb/s MegaRAID SAS 9361-4i PCIe 3.0 Serial-Attached SCSI/SATA Disk Array Controller controls four internal
SAS/SATA ports through one SFF-8643 mini-SAS HD-4i internal connector.
The 12Gb/s MegaRAID SAS 9361-8i PCIe 3.0 Serial-Attached SCSI/SATA Disk Array Controller controls eight
internal SAS/SATA ports through two SFF-8643 mini-SAS HD-4i internal connectors.
1.3.3 MegaRAID SAS 9380-4i4e RAID Controller
The 12Gb/s MegaRAID SAS 9380-4i4e PCIe 3.0 Serial-Attached SCSI/SATA Disk Array Controller controls four internal
SAS/SATA ports through one SFF-8643 mini-SAS HD-4i internal connectors and four external SAS/SATA ports through
one SFF-8644 mini-SAS HD-4e internal connector.
1.3.4 MegaRAID SAS 9380-8e RAID Controller
The 12Gb/s MegaRAID SAS 9380-8e PCIe 3.0 Serial-Attached SCSI/SATA Disk Array Controller controls eight external
SAS/SATA ports through two SFF-8644 mini-SAS HD-4e external connectors.
1.4 Configuration Scenarios
You can use the MegaRAID SAS RAID controllers in three main scenarios:
Low-end, internal SATA configuration: In this configuration, use the RAID controller as a high-end SATA II or
SATA III compatible controller that connects up to eight drives either directly or through a port expander. This
configuration is mostly for low-end or entry servers. An out-of-band I
2
C bus provides enclosure management.
Side bands of both types of internal SAS connectors support the SFF-8485 (SGPIO) interface.
Midrange internal SAS configuration: This configuration is like an internal SATA configuration, but with
high-end SAS drives. This configuration is more suitable for low-range to midrange servers.
High-end external SAS/SATA configuration: This configuration is for external connectivity using SATA II drives,
SATA III drives, SAS drives, or combinations of SATA and SAS drives. External enclosure management is supported
through in-band, SCSI-enclosed storage. The configuration must support STP and SMP.
The following figure shows a direct-connect configuration. The Inter-IC (I
2
C) interface communicates with peripherals.
The external memory bus provides an 8-bit/16-bit interface for connecting peripheral devices, such as nonvolatile
static random access memory (NVSRAM) and Flash ROM.

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