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Designed for high-performance, scalable and simple-to-use small to medium-size SAN environments
IBM TotalStorage SAN16M-2 Express
Model
High density design with 16 ports in an efficient half-rack width and 1RU height helps save rack space
Highlights
■ Simple-to-use SAN switch with ease-of-installation and ease-of-use features designed specifically for the needs of small to medium-size environments
■ High-performance 4 Gigabit per second links with pay-asyou-grow FlexPort scalability enables growth from 8 to 12 to
16 ports
■ Foundation for new infrastruc- ture simplification and business continuity solutions for servers
running Microsoft® Windows®,
Linux® and NetWare® operat- ing systems
■ Designed for high availability with hot swappable dual power supplies and HotCAT online code activation
IBM TotalStorage SMB solutions
The IBM TotalStorage® SAN16M-2
Express Model is designed specifically to meet the needs of small to medium-size SAN environments. It can be used to create a wide range of highperformance SAN solutions, from simple single-switch configurations to larger multi-switch configurations which support fabric connectivity and advanced business continuity capabilities. Infrastructure simplification solutions for IBM
_`® xSeries® servers include storage consolidation and high-availability server clustering with IBM TotalStorage disk storage arrays. Business continuity solutions include data protection with
IBM TotalStorage tape libraries and devices and IBM Tivoli® Storage
Manager data protection software.
A single SAN16M-2 Express Model can serve as the cornerstone of a Storage
Area Network 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 an
LTO™ tape drive. An entry-level eightport storage consolidation solution can support up to seven servers with a single path to either disk or tape. The
FlexPort feature is designed to enable a base switch to grow to sixteen ports, in four port increments, 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 six to fourteen servers, each with dual Fibre Channel adapters cross-connected to redundant
SAN16M-2 Express Model switches which are cross-connected to a dualcontroller storage system.
difficult to sustain that approach as the requirement for both storage capacity and numbers of servers has increased.
Storage consolidation is a fundamental objective of infrastructure simplification and is based on the philosophy that it is easier to share and manage capacity contained in a large capacity, highperformance and high-availability external storage system such as provided by the IBM TotalStorage DS4000 family.
Fibre Channel Storage Area Networks
(SANs) were developed to provide efficient, high performance access from many servers to many storage devices.
Simple SAN configuration
The introduction of large capacity, highavailability storage systems offers new opportunities for cost reduction through storage consolidation and infrastructure and management simplification. In older environments each server accessed its own dedicated storage capacity using either internal disks that were contained within the server or disks which were part of an external system attached exclusively to that server. It has become
While it is possible, in very small environments, to direct-connect servers to external storage systems using fibre channel links, it is more common to configure a SAN switch between the servers and the storage system to enable multiple servers to share the same storage capacity.
This simple SAN is depicted in the diagram above.
The SAN16M-2 Express Model was designed specifically for use as the
SAN switch in this type of configuration.
It is easy to install and easy to manage.
The tan, green and blue servers represent heterogeneous server types which are members of the same SAN and share capacity of the large disk system.
The SAN16M-2 Express Model can be upgraded to 16 ports and is futureready to support 4 Gbps servers and storage devices as they are introduced.
Its flexible design allows participation with other SAN m-type switches in fabrics that evolve as requirements change. And it supports advanced functions to enable participation in complex fabrics including cascaded switches and ISL trunks.
High availability SAN configuration
Many applications require continuous operation. A common design approach to achieve that objective is to run multiple instances of the application across
a cluster of servers. When a server fails or must be taken offline for maintenance a backup server is available to continue operation with a minimum of impact. Redundant paths to data are usually configured in a clustered server environment for the same reasons in an effort to provide continuous access to data. Each server is configured with redundant Host Bus Adapters. And each Host Bus Adapter is connected to a different SAN switch, and each switch is connected to a different controller in a disk system. Every effort is made to provide continuous application access to data.
The SAN16M-2 Express Model is an excellent switch to use in a clustered server environment. Separate SAN switches enable two separate SAN fabrics, which are desirable as a means to minimize or eliminate single points of failure. The tan cluster shown on this page provides redundant components at every level and is designed to minimize application outages.
Business continuity solution
Many small and medium size companies want to implement a business continuity or remote backup capability to meet strict new regulatory requirements. The SAN16M-2 Express Model can provide the SAN connectivity required for these environments.
The diagram on the next page is intended to represent two different sites. The blue side represents the production site and the green side represents the remote or backup site.
Many disk subsystems, including
IBM TotalStorage DS4000 systems, are capable of copying data to a remote location. The data path for the remote copy operation is represented by the red links in the diagram.
Two SAN16M-2 Express Model switches can be connected over metro distances (up to 10km) using longwave
SFP optical transceivers. Longer distances can be supported with SAN routers which transmit Fibre Channel
Protocol (FCP) over Internet Protocol
(IP) networks.
Two SAN16M-2 Express Model switches can also be used to connect two locations to enable remote data backup. An Information Lifecycle
Management (ILM) application such as
IBM Tivoli Storage Manager (TSM) which runs on a server in the production site can write data to a tape system at a remote location. The same distance capabilities are available as for the business continuity solution described above.
First time SAN user characteristics
Easy to install and maintain
The SAN16M-2 Express Model includes capabilities designed to make it easy to install and easy to maintain for system administrators who have minimal experience with SAN components. EFCM
Basic provides intuitive graphic switch management capabilities. Installation and backup/restore wizards are included for novice users which are designed to help guide them through switch setup and operation.
EFMC Basic (formerly SANpilot) is designed for first-time SAN users with minimum SAN expertise. EFCM Basic can help simplify monitoring and configuration management. Functions include
Web browser access, fabric and switch configuration management, port activity monitoring and reset, firmware updating, event logging, diagnostics and online help. Whether you have a single switch or a small fabric to manage,
EFCM Basic capabilities and functionality can help simplify management of your SAN solution.
Pay-as-you-grow scalability
The FlexPort Expansion feature is designed to support scalable switch upgrades. The FlexPort feature provides an activation key and four shortwave
SFPs which upgrades the switch in four-port increments while helping avoid fabric disruption. The ability to increase switch capacity while maintaining service helps customers implement a payas-you-grow strategy while minimizing impact to applications.
High performance
The SAN16M-2 Express Model provides 4 Gbps performance on all ports.
Each port auto-negotiates to 4, 2 Gbps or 1 Gbps, full duplex depending on the capabilities of the attached device or switch. Up to 128 Gbps aggregate throughput is possible with 16-port configurations.
Network performance can be enhanced with the Open Trunking feature which automatically balances performance throughout a network while minimizing storage administrators’ involvement.
Open Trunking is designed to optimize the total throughput between two switches automatically by redirecting traffic from high-utilization links to links with available bandwidth. Open
Trunking is designed to continuously monitor loads on all links, detect congestion and automatically balance traffic across available ISLs without operator interaction. Based on constant traffic monitoring, Open Trunking acts to help improve throughput and reroute traffic efficiently.
High-availability
Small and medium size businesses require high-availability switch fabric solutions. The SAN16M-2 Express
Model uses advanced applicationspecific integrated circuits (ASICs) to help minimize the number of internal components and thus improve reliability.
The SAN16M-2 Express Model is designed to provide hot-swappable, load-sharing dual power supplies designed to allow the switch to remain
online if one power supply fails. Dual power cords allow attachment to separate power sources to help improve availability. Hot-swappable power components help eliminate downtime for service when replacing a failed component and help reduce or eliminate the risk of erroneously cabling a replacement switch because of a simple component failure. Failed power supplies are designed to be replaced without special tools, and hot-pluggable optical transceivers can be replaced without taking the switch offline.
host-based application. OSMS allows the fabric switch and devices attached to it to be “discovered,” or seen in a fabric through a framework software application.
SANtegrity™ Enhanced (Security
Suite) feature is designed to help enhance business continuity by reducing the impact of human influences on networked data. The feature includes
SANtegrity Binding and SANtegrity
Authentication.
FlexPort technology is designed to support switch port upgrades without fabric disruption. In addition, HotCAT online code activation is designed to allow firmware to be downloaded and activated while the fabric switch remains operational. Redundant switches can be deployed for highavailability clustering applications.
SANtegrity Zoning, a standard capabil-
Advanced solution management
Open System Management Server
(OSMS), a standard feature, is an ANSI
(American National Standards Institute)based capability that supports SAN management software from vendors such as VERITAS™, Tivoli and BMC.
OSMS is designed to extend the switch’s capability to include in-band management with an open systems ity of Enterprise Operating System
(E/OS), provides hardware-enforced world wide name (WWN) and port zoning. SANtegrity Secure Management
Zone (SMZ) is designed to secure management access to local and remote
SAN devices over a secure connection.
SANtegrity Binding is designed to create multiple layers of access control, including port, switch and fabric binding.
Standards-based SANtegrity
Authentication is designed to force each device in the SAN to prove who they are in order to avoid unauthorized access and unauthenticated devices.
Preferred Path, a standard feature, is designed to allow a customer to define routes across a fabric. The Preferred
Path modifies the behavior of Open
Trunking by providing guidance for the balancing function. The Preferred Path configuration helps address user preference regarding exit port assignment but is subject to the standard rules regarding the Fabric Shortest Path First
(FSPF) protocol.
Full Volatility feature is designed to support high-security environments, which require no customer data be retained after power-off. Full Volatility is designed to configure a switch or director so that no frame data is stored after a power-off.
High port density, rack space savings
Rapidly growing Fibre Channel SAN infrastructures place a premium on rack space. The IBM TotalStorage
SAN16M-2 Express Model uses SFP
LC optical connectors and advanced packaging that requires only a half-rack width and one-rack–unit (1U) height for
16 ports redundant power supplies.
Shelf Mount Kit feature enables installation of two SAN16M-2 Express Model switches and four power supplies for redundant 16-port switch solutions in
1RU. The SAN16M-2 Express Model is also tabletop stackable.
IBM TotalStorage SAN16M-2 Express Model at a glance
Product characteristics
Product number
Base fabric switch
Fibre Channel interfaces
Optical transceivers
Fans and power supplies
Hot-swap components
Rack support
Non-rack support
Management software
Servers supported*
Operating systems supported*
Storage products supported*
Fibre Channel switches supported
Fibre optic cable
Warranty (standard)
Optional features
202616E
IBM TotalStorage SAN16M-2 Express Model with 16 ports: 8 ports activated, 8 shortwave
4 Gbps SFP transceivers, one power supply, EFCM Basic, Install and Backup/Restore
Wizards, Open Systems Management Server and Preferred Path software.
E-Port, F_Port, FL-Port
4 Gbps shortwave SFPs
Redundant (fixed) fans and dual replaceable (external) power supplies
SFP optical transceivers, power supplies
19 inch, 1RU industry standard rack; Shelf Mount Kit feature for two switches, each with dual power supplies
Desktop installation is supported; Country-specific power cords must be ordered
EFCM Basic, Install and Backup/Restore Wizards
IBM
_` xSeries and selected Netfinity® servers
Other Intel® processor–based servers
Microsoft® Windows NT®, Windows® 2000, Windows® 2003
Red Hat Linux™, Red Hat Linux Advanced Server
SUSE™ LINUX, SUSE LINUX Enterprise Server (SLES)
United LINUX
Novell® NetWare
IBM TotalStorage DS4000 storage servers
IBM TotalStorage 3580, 3588, 3590 and 3592 tape drives
IBM TotalStorage 3581 Tape Autoloader
IBM TotalStorage 3582, 3583 and 3584 tape libraries and 3584 High Availability Frame
Model HA1, 3588 tape drive
Other selected storage systems
IBM TotalStorage SAN m-type switches, routers and directors
Other switches and directors manufactured by McDATA
Fibre optic cables are required and are available in various lengths in single mode and multimode formats
1-year; Customer Replaceable Unit (CRU) Service; IBM On-site Repair; warranty service upgrades are available
Shelf mount kit for two SAN16M-2 Express Model switches
Second Power Supply
4-Port FlexPort Expansion Kit with four shortwave SFPs
Longwave 4 SFP optical transceivers
SAN16M-2 Element Manager
SAN16M-2 SANtegrity Enhanced
SAN16M-2 Open Trunking
SAN16M-2 Full Volatility
Country specific power cords and PDU jumper cords
IBM TotalStorage SAN16M-2 Express Model at a glance
Physical characteristics
Height (rack mount)
Width
Depth
Weight
Operating environment
Temperature
Relative humidity
Electrical requirement
Power
4.1 cm / 1.6 in (1RU)
19.9 cm / 7.8 in (two fit side-by-side on shelf mount kit)
33.3 cm / 13.13 in plus 6.1 cm (2.4 in) for external power supplies
4.0 kg / 8.8 lbs
4° C to 40° C/40° F to 104° F
8% to 80%
90-264 VAC, 47-63 Hz
* Refer to ibm.com/storage/san/m_type for the most current and complete details.
Not too big. Not too small.
Designed for mid-sized business, the IBM Express Portfolio of offerings is just right. Each and every offering that’s part of the IBM Express Portfolio is certified to ensure three simple features:
1. Easy to install and deploy
2. Easy to manage
3. Competitively priced
The IBM Express Portfolio of offerings are scalable and have the features and functionality you’ll need to meet your technology needs, including hardware, software, services and financing.
Since they are priced just right for mid-sized businesses, you know you’ll get more out of your investment.
For more information
Contact your IBM representative or
IBM Business Partner or visit:
● ibm.com/eserver/express
● ibm.com/storage/san/m_type
IBM is not responsible for the performance or interoperability of any non-IBM products discussed herein. Performance data for IBM and non-IBM products and services contained in this document was derived under specific operating and environmental conditions. The actual results obtained by any party implementing such products or services will depend on a large number of factors specific to such party’s operating environment and may vary significantly. IBM makes no representation that these results can be expected or obtained in any implementation of any such products or services.
MB, GB and TB equal 1,000,000,
1,000,000,000 and 1,000,000,000,000 bytes, respectively, where referring to storage capacity.
Actual storage capacity will vary based upon many factors and may be less than stated.
Some numbers given for storage capacities give capacity in native mode followed by capacity using data compression technology.
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© Copyright IBM Corporation 2006
IBM Systems and Technology Group
5600 Cottle Road
San Jose, CA 95193
U.S.A.
Produced in the United States
April 2006
All Rights Reserved
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_`, iSeries,
Netfinity, Tivoli, TotalStorage and xSeries are trademarks or registered trademarks of
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Linear Tape Open, LTO and Ultrium are trademarks of Hewlett Packard, IBM and
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United States, other countries, or both.
Sun is a trademark of Sun Microsystems, Inc. in the United States and other countries.
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UNIX is a registered trademark of The Open
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Other company, product and service names may be trademarks or service marks of others.
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IBM shall have no responsibility to update such information.
TSD01382-USEN-02
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