IBM System Storage SAN24B-4 Express

Designed for high-performance, scalability and simple-to-use in small to medium-size SAN environments


The IBM System Storage® SAN24B-4 fabric switch is designed specifically to address the needs of small- to medium-sized storage area network (SAN) environments. It can be used to create a wide range of high-performance SAN solutions, from simple, single-switch configurations to larger, multi-switch configurations that support fabric connectivity and advanced business continuity capabilities. Infrastructure simplification solutions for servers include storage consolidation and high-availability server clustering with IBM disk storage arrays. Business continuity solutions include data protection with IBM tape libraries and devices and IBM Tivoli® Storage Manager data protection software.

A single SAN24B-4 switch can serve as the cornerstone of a SAN for those who want to obtain the benefits of storage consolidation and are just beginning to implement Fibre Channel storage systems. Such an entry-level configuration can consist of one or two Fibre Channel links to a disk storage array or to a Linear Tape-Open (LTO) Ultrium tape drive. An entry-level, eight-port storage consolidation solution can support up to seven servers with a single path to either disk or tape. The Ports on Demand feature is designed to enable a base switch to grow to 16 and 24 ports to support more servers and more storage devices without taking the switch offline. A high-availability solution can be created with redundant switches. This capability is ideal for server clustering environments. Such a configuration can support from 6 to 22 servers, each with dual Fibre Channel adapters cross-connected to redundant SAN24B-4 switches, which are cross-connected to a dual-controller storage system. While the focus of SAN24B-4 is to serve as the foundation of small- to medium-sized SANs, it can be configured to participate as a full member in an extended fabric configuration with other members of the IBM System Storage SAN b-type families. This capability helps provide investment protection as SAN requirements evolve and grow over time.

Common features

Hardware summary

Feature Benefits
Efficient 1U design
Auto-sensing 8, 4, 2 and 1 Gbps ports Designed to:
Hot-swappable small form-factor pluggables
Inter-switch link (ISL) trunking
Advanced zoning
N_Port ID virtualisation
EZSwitchSetup and Advanced Web Tools
Hot firmware activation Designed to:
N+1 cooling
Upgradeable architecture for scalable storage area network (SAN) fabrics
Backwards compatibility with SAN b-type and m-type fabrics
Server Application Optimisation* license
Product characteristics
Product number 2498-24E
Base fabric switch IBM System Storage SAN24B-4 switch with 24 ports, 8 ports activated (0 - 7) and Fabric OS (FOS) 6.1.0 or later, hardcopy installation guide, CD-ROM (with manuals), service and wrap tools, 110 volt power cord for rack installation, rail kit, advanced zoning, EZSwitchSetup wizard, Advanced Web Tools
Fibre Channel interface E_Port, F_Port, FL_Port and M_Port
Optical transceivers Choice of 8 Gbps (supports 8, 4 and 2 Gbps link speeds) and 4 Gbps (supports 4, 2 and 1 Gbps link speeds) short-wave and long-wave small form-factor pluggable (SFP)
Hot-swappable components SFP optical transceivers, fans and one power supply
Non-rack support Non-rack installation is supported; country-specific power cords are required and must be ordered
Servers supported
Operating systems supported
Storage products supported
Fibre Channel switches supported Current IBM System Storage SAN b-type and m-type switches, routers and directors (must be running current firmware)
Fiber-optic cable Fiber-optic cables are required and available in various lengths in single-mode and multi-mode formats
Power cord Jumper cable is included for rack installation; country-specific power cord must be ordered for desktop/standalone installation
Warranty One-year, customer-replaceable unit (CRU); warranty service upgrades are available
Optional features 8-port activation, adaptive networking services,* advanced performance monitoring, enterprise package, enhanced group management, extended fabric, fabric watch, full fabric, trunking activation, Server Application Optimisation* license
Dimensions Width: 42.88 cm (16.88 in.); Height: 4.29 cm (1.69 in.); Depth: 30.6 cm (12.07 in.)
Weight 4.35 kg (9.3 lb)
Temperature Operating: 0°C – 40°C (32°F – 104°F); non-operating: -25°C – 70°C (-13°F – 158°F)
Humidity Operating: 10% – 85% non-condensing at 40°C (104°F); non-operating: 10% – 90% non-condensing at 70°C (158°F)
Power 85 – 264 V ac (Universal), 47 – 63 Hz

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