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General| Model | IBM System Storage DS5020 |
|---|---|
| Storage Type | Disk Array |
| Maximum Capacity | 96 TB |
| Form Factor | 2U |
| Power Supply | Dual redundant power supplies |
| Input Voltage | 100-240 VAC |
| Input Frequency | 50/60 Hz |
| Drive Types Supported | SAS, SATA |
| Host Interfaces | iSCSI, FC |
| RAID Levels Supported | 0, 1, 5, 6, 10 |
| Drive Bays | 24 |
| Number of Controllers | 2 |
| Operating Temperature | 10° to 35°C (50° to 95°F) |
Provides an overview of the DS5020 storage subsystem, its features, and components.
Lists the main hardware and software features of the DS5020 base configuration.
Lists hardware components and documentation to verify after unpacking the DS5020.
Provides guidelines for achieving optimal system operation and maintenance.
Lists the removable components of the storage subsystem, known as CRUs.
Describes the hot-swap drive bays accessible from the front of the storage subsystem.
Provides an overview of the entire storage subsystem installation process into a rack cabinet.
Offers precautions to reduce the possibility of electrostatic discharge (ESD) damage.
Details floor space requirements and weight information for the storage subsystem.
Lists considerations and steps for preparing the rack cabinet before installation.
Provides instructions and templates for installing the support rails in the rack cabinet.
Explains the purpose and management of enclosure IDs for unique identification within the subsystem.
Details the use of SFPs and fiber-optic cables for connecting hosts and expansion enclosures.
Explains how to install SFP modules into controller ports for Fibre Channel transmission.
Explains how to connect storage expansion enclosures to the DS5020 subsystem.
Presents preferred cabling topologies for connecting storage expansion enclosures to the DS5020.
Outlines suggested actions to verify and maintain optimal performance and health of the DS5020.
Contains instructions for turning the storage subsystem on under normal and emergency situations.
Explains how to use DS Storage Manager to diagnose and recover from hardware failures.
Explains the meaning of LEDs on the storage subsystem and components for status indication.
Describes the primary power supply and fan unit LEDs on the DS5020 storage subsystem.
Describes the primary LEDs, controls, and connectors on the rear of the storage subsystem controller.
Offers precautions to reduce the possibility of electrostatic discharge (ESD) damage.
Explains the blue LED that indicates when a component is safe to remove or install.
Provides steps to replace a failed controller in the DS5020 storage subsystem.
Details the procedure for installing hard disk drives into the storage subsystem.
Explains how to replace a failed E-DDM with a new one.
Provides steps to replace a failed ac power supply and fan unit CRU.
Details the procedure for replacing a failed battery unit in the RAID controller.
Guides on replacing a Small Form-factor Pluggable (SFP) module on the storage subsystem.
Outlines basic steps for diagnosing problems using indicators, diagnostics, and guides.
Provides information to solve problems using symptoms, error messages, and suggested actions.
Provides a template for identifying screw locations for mounting the DS5020 to a rack.
Provides a template for identifying screw locations for mounting the DS5020 to a rack.
Lists general safety requirements for installing IBM products in non-IBM racks.
Details specifications for racks and cabinets to ensure compatibility with IBM storage subsystems.
Lists IBM power cord part numbers, feature codes, descriptions, and applicable countries.
Associates DS Storage Manager Version 10 documents with common user tasks.
Associates DS5020 storage subsystem library documents with common user tasks.
Defines keyboard operations for navigating and interacting with Storage Manager UI components.
Provides general notes on processor speed, drive speeds, and storage capacity definitions.
Addresses risks from airborne particulates and reactive gases, setting limits to avoid damage.
Lists compliance statements for electronic emissions (FCC, IC, EU, etc.).
Defines an adapter as a circuit assembly for data transmission between systems and links.
Defines AT bus architecture as a standard for IBM compatibles extending the XT bus.
Defines an agent as a server program receiving virtual connections from a network manager.
Abbreviation for accelerated graphics port.
Abbreviation for arbitrated loop physical address.
Defines one of three Fibre Channel topologies where ports are interconnected serially in a loop.
Defines an 8-bit value for unique identification of a port within a loop.
Defines an array as a collection of hard drives logically grouped together, assigned a RAID level.
Defines an option for remote mirroring allowing primary controller to return write I/O completion early.
Abbreviation for advanced technology (AT) bus architecture.
Abbreviation for AT-attached.
Defines peripheral devices compatible with original IBM AT computer standard.
