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General| Model | DS4700 |
|---|---|
| Type | Disk array |
| Number of Storage Controllers | 2 |
| Drive Types Supported | SAS, SATA |
| Number of Drives Supported | Up to 112 |
| RAID Levels Supported | 0, 1, 3, 5, 6, 10 |
| Maximum Number of Hosts | 128 |
| Host Interfaces | Fibre Channel |
| Host Interface Speed | 4 Gbps |
| Cache Memory | 4 GB |
Describes the DS4700 Express Storage Subsystem features, operating specifications, and components.
Details variations in DS4700 Express RAID controller cache size, partitions, and other features.
Provides guidelines for ensuring optimal system operation and maintenance.
Lists removable components (CRUs) accessible from the front or back of the subsystem.
Provides an overview of the entire storage subsystem installation process.
Details precautions to avoid damage from static electricity when handling components.
Outlines steps to prepare the DS4700 Express Storage Subsystem for rack cabinet installation.
Provides templates and instructions for mounting support rails in a rack cabinet.
Describes how to remove customer replaceable units (CRUs) to lighten the DS4700 Express chassis.
Explains the purpose and configuration of enclosure IDs for unique identification.
Covers installation and handling of SFP modules and fiber-optic cables for connections.
Details steps and diagrams for connecting expansion enclosures to the DS4700 Express.
Provides general rules and recommendations for drive cabling schemes.
Sequence of suggested actions to verify and maintain optimal performance of DS4000 configurations.
Provides guidance on diagnosing and recovering from hardware failures.
Explains how to interpret LEDs for status and fault indication.
Provides instructions for turning the storage subsystem on under normal and emergency situations.
Details precautions to avoid damage from static electricity when handling components.
Step-by-step instructions for replacing a failed or faulty controller.
Procedure for replacing an AC power supply and fan unit CRU.
Procedure for replacing a failed battery unit in the RAID controller.
Instructions for replacing a Small Form-factor Pluggable (SFP) module.
Guidance on using indicator lights, diagnostics, and test information to diagnose problems.
Information to help solve common problems using symptoms, error messages, and suggested actions.
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