Lenovo ThinkSystem DB610S 32Gb FC SAN SwitchProduct Guide

The Lenovo ThinkSystem DB610S FC SAN Switch provides exceptional price/performance value by delivering market-leading 32 Gb Gen 6 Fibre Channel technology and combining flexibility, simplicity, and enterprise-class functionality to meet the demands of growing flash-based storage environments.

Designed to enable maximum flexibility and reliability, the ThinkSystem DB610S is a compact, 1U rack-mount FC switch that offers low-cost access to industry-leading Storage Area Network (SAN) technology while providing “pay-as-you-grow” scalability to meet the needs of an evolving storage environment.

The DB610S FC SAN Switch offers 24x SFP+ ports that support 4/8/16/32 Gbps speeds. The DB610S FC SAN switch provides easy integration into the existing SAN environments while realizing the benefits of Gen 6 Fibre Channel connectivity, and the switch offers a rich set of standard software features with the options to expand its capabilities as needed.

The DB610S FC SAN Switch features the EZSwitch Setup wizard and can be configured in Access Gateway Mode to simplify deployment. The switch provides full non-blocking performance with Ports On Demand scalability to support SAN expansion and enable long-term investment protection.

The following figure shows the Lenovo ThinkSystem DB610S 32Gb FC SAN Switch.

Figure 1. Lenovo ThinkSystem DB610S 32Gb FC SAN Switch

The DB610S FC SAN Switch leverages storage connectivity technologies from Brocade, a leader in Fibre Channel networking.

The DB610S FC SAN Switch offers dual functionality as either a full-fabric SAN switch or as an N_Port ID Virtualization (NPIV)-enabled Access Gateway that simplifies server connectivity.

Fabric Vision technology, an extension of Gen 6 Fibre Channel, provides unprecedented insight and visibility across the SAN with powerful built-in monitoring, management, and diagnostic tools.

With Lenovo FC SAN Switch offerings, Lenovo can be your trusted partner that offers "one stop shop" and single point of contact for delivery of leading edge technologies and innovations from Lenovo and other leading IT vendors. These offerings can satisfy the wide range of your end-to-end IT infrastructure needs, including end-user devices, servers, storage, networking, services, management software, and financing.

The ThinkSystem DB610S FC SAN Switch offers the following features and benefits:

• Provides an affordable enterprise-class 32 Gb FC solution with 24 SFP+ ports to support flash-based storage environments.
• Increases performance for demanding workloads with support for 32 Gbps FC links.
• Simplifies configuration and management with easy-to-use EZSwitch Setup.
• Enables “pay-as-you-grow” scalability from single-switch fabric to full-fabric enterprise capabilities with Ports On Demand scalability.
• Optimizes fabric behavior and ensure sufficient bandwidth for mission-critical applications with advanced traffic management capabilities and adaptive networking.
• Provides proactive, non-intrusive, real-time monitoring and alerting of VM health and performance with VM Insight through integrated network sensors.
• Offers dual functionality as either a full-fabric SAN switch or as an NPIV-enabled Access Gateway (requires 24 SFP+ ports be licensed) that enhances fabric scalability and simplifies management.
• Protects existing device investments with auto-sensing 4, 8, 16, and 32 Gbit/sec capabilities and native operation with Brocade fabrics.

• Runs Fabric OS, which delivers distributed intelligence throughout the network and enables a wide range of value-added features.

• Leverages Fabric Vision technology’s powerful monitoring, management, and diagnostic tools to simplify administration, increase uptime, and reduce costs.

• Supplies a rich set of standard features at no extra cost, including fabric services, advanced zoning, adaptive networking, full fabric and access gateway operations, and diagnostic tools.
• Expands fabric capabilities with optional licensed functions, including trunking, advanced monitoring and alerting, and long-distance fabrics.
• Allow organizations to seamlessly integrate Gen 6 Fibre Channel networks with the next generation of flash storage – NVMe over Fibre Channel – by being NVMe-ready, without a disruptive rip and replace, to achieve faster application response times and harness the performance of solid state drives for better scalability across virtual data centers with flash storage.
• Accelerates troubleshooting with built-in advanced diagnostics tools featuring ClearLink Diagnostics with D_Ports and select adapters from QLogic and Emulex, which helps ensure optical and signal integrity for 16 Gb and 32 Gb Fibre Channel optics and cables.

The following figure shows the port-side view of the DB610S FC SAN Switch.

Figure 2. DB610S FC SAN Switch port-side view

The following table lists the ThinkSystem DB610S system specifications.

The following table lists the ThinkSystem DB610S FC SAN Switch models.

The DB610S FC SAN Switch part numbers include the following items:

• One FC SAN Switch
  • Model HC1: With 24 ports activated and 24x 16 Gb FC SWL SFP+ transceivers included
  • Model HC2: With 8 ports activated and 8x 16 Gb FC SWL SFP+ transceivers included
  • Model HC3: With 8 ports activated and no transceivers included
• Serial cable (DB-9/RJ-45 to RJ-45)
• Fixed rack mount kit
• EZSwitch Setup web pointer card
• Online Documentation web pointer card
• Network Advisor web pointer card

Note: The switch comes standard without a power cord; one power cable must be purchased together with the switch (see Power supplies and cables for details).

The DB610S FC SAN Switch model HC1 comes standard with 24 licensed ports and with 24x 16 Gb FC SWL SFP+ Transceivers. The DB610S FC SAN Switch model HC2 comes standard with 8 licensed ports and with 8x 16 Gb FC SWL SFP+ Transceivers. The DB610S FC SAN Switch model HC3 comes standard with 8 licensed ports and without any transceivers.

The remaining 16 SFP+ unlicensed ports on the Models HC2 and HC3 can be activated by purchasing and installing the Ports on Demand (POD) software licenses that are available with or without SFP+ transceivers in 8-port increments.

The following table lists additional POD options for the DB610S FC SAN Switch.

With the flexibility of the DB610S FC SAN Switch, customers can choose the following connectivity:

• For 32 Gb FC links, customers can use 32 Gb FC SFP+ SWL optical transceivers for distances up to 100 meters on 50 µ OM4 multimode fiber optic cables. For longer distances, the 32 Gb FC LWL SFP+ optical transceivers can support up to 10 kilometers on single-mode fiber optic cables. These transceivers can operate at 32 Gbps, 16 Gbps, or 8 Gbps speeds.
• For 16 Gb FC links, customers can use 16 Gb FC SFP+ SWL optical transceivers for distances up to 125 meters on 50 µ OM4 multimode fiber optic cables. For longer distances, the 16 Gb FC LWL SFP+ optical transceivers can support up to 10 kilometers on single-mode fiber optic cables. For extended distances, the 16 Gb FC ELWL SFP+ optical transceivers can support up to 25 kilometers on single-mode fiber optic cables. These transceivers can operate at 16 Gbps, 8 Gbps, or 4 Gbps speeds.
• For the 1 GbE RJ-45 management port, customers can use UTP cables for distances up to 100 meters.

The DB610S FC SAN Switch comes with 24x (Model HC1) or 8x (Model HC2) 16 Gb FC SWL SFP+ transceivers or without any transceivers (Model HC3). Additional SWL, LWL, and ELWL SFP+ transceivers can be ordered for the switch, if needed.

The following table lists the supported SFP+ options and cables.

* When using ELW SFP+ transceivers over distances over 10 km, the Extended Fabric feature that is available in the Enterprise Bundle is required on a SAN switch to drive the maximum bandwidth over the extended links.

The following table lists the cabling requirements for the switch.

The DB610S FC SAN Switch comes standard with the following software features (based on Fabric OS version 8.1):

• Advanced Fabric Services
  • Full Fabric mode: Enables high performance 16 Gb or 32 Gb switching in multi-switch fabric.
  • Advanced Zoning (default zoning, port/WWN zoning, broadcast zoning)
  • Dynamic fabric provisioning (DFP): Fabric-assigned port World Wide Names (FA-PWWNs).
  • Dynamic path selection (DPS): Distributes input traffic across multiple paths proportionally to the bandwidth of each path.
  • Dynamic load sharing (DLS): Distributes traffic across multiple equal paths between switches.
  • Fabric Shortest Path First (FSPF)
  • Buffer-to-Buffer (BB) credit flow control
  • Buffer credit recovery
  • Forward error correction (FEC)
  • Fabric Device Management Interface (FDMI)
  • Frame order delivery
  • Frame redirection
  • FC login services
  • Registered State Change Notification (RSCN)
  • Reliable Commit Service (RCS)
  • Simple Name Server (SNS)
  • Fibre Channel Authentication Protocol (FCAP) switch authentication
  • Management Server (MS): Assists in the auto-discovery of switch-based fabrics.
• Adaptive Networking
  • Traffic isolation zoning (TIZ): Creates a dedicated path for traffic flowing from a specific set of source ports (F_Ports).
  • Quality of Service (QoS): SID/DID pair traffic prioritization (high, medium, low).
• Virtualization
  • N_Port ID virtualization (NPIV): Enables a single FC port to appear as multiple, distinct ports with separate port identification within the fabric.
  • Access Gateway: Leverages NPIV to connect to any fabric without adding switch domains to reduce management complexity.
• Management
  • IPv4 and IPv6 addressing
  • Firmware upload and download
  • Network Time Protocol (NTP) v3
  • EZ Switch Setup Wizard
  • Command line interface (CLI)
  • Web Tools
  • Brocade Network Advisor (purchased separately)
  • SNMPv1, SNMPv3, and MIBs
  • SMI-S compliant
  • Syslog
• Security
  • Local switch user accounts
  • LDAP, RADIUS, TACACS+ user authentication
  • Role-based access control (RBAC)
  • IP Security (IPsec)
  • IP filtering
  • HTTPS
  • Secure Copy (SCP)
  • Secure RPC
  • Secure FTP (SFTP)
  • Secure Shell (SSH) v2
  • Secure Sockets Layer (SSL)
• Advanced Diagnostic Tools
  • Power-on self-test (POST)
  • Event logging
  • Environmental monitoring
  • FCping
  • Pathinfo (FC traceroute)
  • Non-disruptive daemon restart
  • Flow mirroring
  • RAS trace logging
  • ClearLink Diagnostics with Diagnostic Port (D_Port)
  • SFP and cable health assessment
  • Power monitoring
  • Rolling Reboot Detection (RRD)

The following software features are available for the DB610S FC SAN Switch in the optional Enterprise Bundle:

• ISL Trunking (TRK): Allows frame-based consolidation of up to 8 inter-switch links (ISLs) into fault-tolerant and load-balanced trunks with bandwidth of up to 256 Gbps.
• Fabric Vision (FV)
  • Monitoring and Alerting Policy Suite (MAPS): Provides a policy-based, fabric-wide threshold monitoring and alerting tool.
  • Flow Vision: Allows to identify, monitor, and analyze specific application flows.
  • VM Insight: Allows to monitor health and performance of individual Virtual Machines (VMs) to quickly identify abnormal VM behavior and enable administrators to proactively facilitate troubleshooting and fault isolation, helping to ensure performance and operational stability.
• Extended Fabric (EF): Extends Fibre Channel SANs beyond 10 km distance limitations for replication and backup at full bandwidth.

Software subscription and maintenance is included with the DB610S FC SAN Switch and provides 3-year software support, including firmware downloads and fixes. Software subscription and maintenance can be extended up to 7 years in 1-year or 2-year increments.

Lenovo offers optional Brocade Network Advisor, a fabric management application, to efficiently manage the network operations lifecycle, including monitoring, diagnostics, change management, and troubleshooting.

Lenovo offers the following Brocade Network Advisor editions:

• Brocade Network Advisor Professional Plus: A SAN management application designed for mid-sized SANs for managing up to 36 physical or virtual fabrics and up to 2,560 switch ports.
• Brocade Network Advisor Enterprise: A SAN management application designed for enterprise-class SANs for managing up to 100 physical or virtual fabrics and up to 15,000 switch ports.

Brocade Network Advisor supports a wide variety of Brocade SAN offerings, including Lenovo B300, B6505, B6510, DB610S, DB620S, DB400D, DB800D, FC5022, and more. For a complete list of supported products and edition features, refer to the Brocade Network Advisor Installation and Migration Guide:
http://www.brocade.com/en/support/document-library/dl-segment-products-os-detail-page.bna.product.html

The following table lists ordering information for the optional Brocade Network Advisor management application.

The DB610S FC SAN Switch supports the following standards:

• FA FCMGMT-MIB
• FC-BB-2 INCITS 372-2003
• FC-BB-3 INCITS 414-2006
• FC-BB-4 INCITS 419-2008
• FC-BB-5 INCITS 462-2010 + Amendment 1
• FC-BB-6 INCITS 509-2014
• FC-DA INCITS TR-36-2004
• FC-DA-2 INCITS TR-49-2012
• FC-FS INCITS 373-2003
• FC-FS-2 ANSI/INCITS 424-2006
• FC-FS-3 INCITS 470-2011
• FC-FS-4 INCITS 488 rev 1.41
• FC-GS-4 ANSI INCITS 387-2004
• FC-GS-5 ANSI INCITS 427-2007
• FC-GS-6 INCITS 463-2010
• FC-GS-7 INCITS 510
• FC-GS-8 INCITS 548 rev 11.01
• FC-IFR INCITS 475-2011
• FC-LS INCITS 433: 2007
• FC-LS-2 INCITS 477-2011
• FC-LS-3 INCITS 487
• FC-MI-2 ANSI/INCITS TR-39-2005
• FC-MI-3 INCITS TR-48-2012
• FCP ANSI X3.269-1996
• FCP-2 INCITS 350-2003
• FCP-3 INCITS 416-2006
• FCP-4 INCITS 481-2012
• FC-PI-3 INCITS 460-2012
• FC-PI-4 INCITS 450-2009
• FC-PI-5 INCITS 449-2011
• FC-PI-6 INCITS 512-2015
• FC-SB ANSI X3.271-1996
• FC-SB-2 INCITS 374-2001
• FC-SB-3 INCITS 374-2003 + Amendment 1
• FC-SB-4 INCITS 466-2011
• FC-SB-5 INCITS 485-2014
• FC-SB-6 INCITS 544
• FC-SP INCITS 426-2007
• FC-SP-2 INCITS 496-2012 + Amendment 1
• FC-SW-3 INCITS 384-2004
• FC-SW-4 INCITS 418-2006
• FC-SW-5 INCITS 461-2010
• FC-SW-6 INCITS 511
• FC-SW-7 INCITS 547 rev 1.04
• FC-TAPE INCITS TR-24-1999
• FC-VI INCITS 357-2002
• MIB-FA INCITS TR-32-2003
• RFC 2837 Fabric Element MIB
• RFC 4338 Transmission of IPv6, IPv4, and ARP over FC
• SNIA Storage Management Initiative Specification (SMI-S) Version 1.03 ISO standard IS24775-2006 (replaces ANSI INCITS 388: 2004)
• SNIA Storage Management Initiative Specification Version 1.1
• SNIA Storage Management Initiative Specification Version 1.2
• SNIA Storage Management Initiative Specification Version 1.4
• SNIA Storage Management Initiative Specification Version 1.5
• SNIA Storage Management Initiative Specification Version 1.6

The DB610S FC SAN Switch ships with one fixed 150 W AC power supply that has an IEC 309-C14 connector.

The switch comes standard without a power cord; two rack power cables or country-specific line cords must be ordered together with the switch (see the following table).

* Available for factory-built custom configurations and solutions only.

The DB610S FC SAN Switch comes standard with the fixed rack mount kit that can be used for 4-post rack installations. If needed, the DB610S FC SAN Switch can be mounted in a 2-post rack cabinet by using the optional mid-mount rack kit that is listed in the following table.

The optional mid-mount rack kit for the DB610S FC SAN Switch is shown in the following figure.

Figure 4. Lenovo DB610S Mid-mount (Telco) Rack Kit

The DB610S FC SAN Switch has the following dimensions and weight (approximate):

• Height: 43 mm (1.7 in.)
• Width: 429 mm (16.9 in.)
• Depth: 307 mm (12.1 in.)
• Weight:
  • Empty: 4.2 kg (9.3 lb)
  • Fully configured: 5.8 kg (12.7 lb)

The DB610S FC SAN Switch is supported in the following environment:

• Air temperature:
  • Operating: 0°C to 40°C (32°F to 104°F)
  • Non-operating: -25°C to +70°C (-13°F to 158°F)
• Maximum altitude:
  • Operating: 3,000 m (9,842 ft)
  • Non-operating: 12,000 m (39,370 ft)
• Humidity:
  • Operating: 10% to 85% non-condensing
  • Non-operating: 10% to 90% non-condensing
• Electrical power:
  • Voltage range: 100 V AC - 240 V AC (nominal)
  • Frequency: 50 Hz / 60 Hz (nominal)
  • Power consumption:
    • Idle: 56 watts
    • Typical: 64 watts
    • Maximum: 77 watts
• Heat dissipation:
  • Idle: 191 BTU per hour
  • Typical: 216 BTU per hour
  • Maximum: 262 BTU per hour
• Acoustical noise emission (maximum): 64 dB

The DB610S FC SAN Switch has a one-year customer-replaceable unit (CRU) limited warranty with standard call center support during normal business hours and 9x5 Next Business Day Parts Delivered.

Some countries might have different warranty terms and conditions than the standard warranty. This is due to local business practices or laws in the specific country. Local service teams can assist in explaining country-specific terms when needed. Examples of country-specific warranty terms are second or longer business day parts delivery or parts-only base warranty.

If warranty terms and conditions include onsite labor for repair or replacement of parts, Lenovo will dispatch a service technician to the customer site to perform the replacement. Onsite labor under base warranty is limited to labor for replacement of parts that have been determined to be field-replaceable units (FRUs). Parts that are determined to be customer-replaceable units (CRUs) do not include onsite labor under base warranty.

If warranty terms include parts-only base warranty, Lenovo is responsible for delivering only replacement parts that are under base warranty (including FRUs) that will be sent to a requested location for self-service. Parts-only service does not include a service technician being dispatched onsite. Parts must be changed at customer’s own cost and labor and defective parts must be returned following the instructions supplied with the spares parts.

Also available are Lenovo Services warranty maintenance upgrades and post-warranty maintenance agreements, with a well-defined scope of services, including service hours, response time, term of service, and service agreement terms and conditions.

Lenovo warranty service upgrade offerings are country-specific. Not all warranty service upgrades are available in every country. For information about Lenovo warranty service upgrade offerings that are available in your country or area, refer to the following resources:

• Service part numbers in Lenovo Data Center Solution Configurator (DCSC):
  http://lesc.lenovo.com/#/services
• Lenovo Services Availability Locator
  https://lenovolocator.com/

In general, the following Lenovo warranty service upgrades are available:

• Warranty and maintenance service upgrades:
  • 1, 3, 4, or 5 years of warranty service coverage
  • 1-year or 2-year post-warranty extensions
  • Foundation Service: 9x5 service coverage with next business day onsite response
  • Essential Service: 24x7 service coverage with 4-hour onsite response or 24-hour committed repair (available only in select countries)
  • Advanced Service: 24x7 service coverage with 2-hour onsite response or 6-hour committed repair (available only in select countries)
• Basic Hardware Installation Services

  Lenovo experts can seamlessly manage the physical installation of your server, storage, or networking hardware. Working at a time convenient for you (business hours or off shift), the technician will unpack and inspect the systems on your site, install options, mount in a rack cabinet, connect to power and network, check and update firmware to the latest levels, verify operation, and dispose of the packaging, allowing your team to focus on other priorities.

For service definitions, country-specific details, and service limitations, please refer to the following documents:

• Lenovo Statement of Limited Warranty for Data Center Group (DCG) Servers and System Storage
  http://pcsupport.lenovo.com/us/en/solutions/ht503310
• Lenovo Data Center Services Agreement
  http://support.lenovo.com/us/en/solutions/ht116628

The DB610S FC SAN Switch conforms to the following regulations:

• Electromagnetic compatibility
  • CISPR 22
  • CNS 13438
  • EN 55024
  • EN 55032
  • EN 61000-3-2
  • EN 61000-3-3
  • FCC Part 15, Subpart B
  • GB 9254
  • ICES-003
  • KN 32
  • KN 35
  • VCCI
• Safety
  • CNS 14336-1
  • EN/UL/CSA/IEC 60950-1
  • GB 4943.1
• Environmental: RoHS

The following table lists the FC SAN switches that are offered by Lenovo that can be used in Lenovo FC SAN solutions.

For more information, see the list of Product Guides in the following categories:

• Rack-mount SAN switches:
  http://lenovopress.com/storage/switches/rack?rt=product-guide
• Blade Storage Modules:
  http://lenovopress.com/servers/blades/storagemodule?rt=product-guide

The following table lists the external storage systems that are offered by Lenovo that can be used in Lenovo FC SAN solutions.

Note: Information provided in this section is for ordering reference purposes only. End-to-end storage configuration support must be verified through the interoperability matrix for a particular storage system that can be found on the Lenovo Data Center Support web site:
http://datacentersupport.lenovo.com

* Available worldwide (except China and Japan).
^ Available only in China.
** Available only in Japan.
# x represents a geo-specific letter (for example: U = North America, G = EMEA). Ask a Lenovo representative for specifics.
† Available worldwide except Latin America.
‡ Available only in Latin America.

For more information, see the list of Product Guides in the following categories:

• Lenovo DS Series and V Series storage:
  http://lenovopress.com/storage/san/lenovo#rt=product-guide
• IBM Storwize for Lenovo storage:
  http://lenovopress.com/storage/san/ibm#rt=product-guide
• Lenovo Software Defined Storage (DX8200 Series):
  http://lenovopress.com/storage/sds#rt=product-guide

The following table lists the external backup options that are offered by Lenovo that can be used in Lenovo FC SAN solutions.

Note: Information provided in this section is for ordering reference purposes only. End-to-end LTO Ultrium configuration support for a particular tape backup unit must be verified through the System Storage Interoperation Center (SSIC):
http://www.ibm.com/systems/support/storage/ssic

For more information, see the list of Product Guides in the Backup Units category:
http://lenovopress.com/servers/options/backup

The following table lists the rack cabinets that are offered by Lenovo that can be used in Lenovo FC SAN solutions.

For more information, see the list of Product Guides in the Rack cabinets category:
https://lenovopress.com/servers/options/racks

The following table lists the power distribution units (PDUs) that are offered by Lenovo that can be used in Lenovo FC SAN solutions.

For more information, see the list of Product Guides in the PDU category:
https://lenovopress.com/servers/options/pdu

The following table lists the uninterruptible power supply (UPS) units that are offered by Lenovo that can be used in Lenovo FC SAN solutions.

For more information, see the list of Product Guides in the Uninterruptible Power Supply Units category:
http://lenovopress.com/servers/options/ups#rt=product-guide

Lenovo Financial Services reinforces Lenovo’s commitment to deliver pioneering products and services that are recognized for their quality, excellence, and trustworthiness. Lenovo Financial Services offers financing solutions and services that complement your technology solution anywhere in the world.

We are dedicated to delivering a positive finance experience for customers like you who want to maximize your purchase power by obtaining the technology you need today, protect against technology obsolescence, and preserve your capital for other uses.

We work with businesses, non-profit organizations, governments and educational institutions to finance their entire technology solution. We focus on making it easy to do business with us. Our highly experienced team of finance professionals operates in a work culture that emphasizes the importance of providing outstanding customer service. Our systems, processes and flexible policies support our goal of providing customers with a positive experience.

We finance your entire solution. Unlike others, we allow you to bundle everything you need from hardware and software to service contracts, installation costs, training fees, and sales tax. If you decide weeks or months later to add to your solution, we can consolidate everything into a single invoice.

Our Premier Client services provide large accounts with special handling services to ensure these complex transactions are serviced properly. As a premier client, you have a dedicated finance specialist who manages your account through its life, from first invoice through asset return or purchase. This specialist develops an in-depth understanding of your invoice and payment requirements. For you, this dedication provides a high-quality, easy, and positive financing experience.

For your region specific offers please ask your Lenovo sales representative or your technology provider about the use of Lenovo Financial Services. For more information, see the following Lenovo website:
http://www.lenovofs.com

For more information, see the following resources:

• Lenovo FC SAN Switches product page
  http://shop.lenovo.com/us/en/systems/storage/san/fibre-channel-switches
• Lenovo Storage DB610S FC SAN Switch product publications, available from the Brocade Document Library:
  http://www.brocade.com/en/support/document-library/dl-segment-products-os-detail-page.brocadeg610switch.product.html
  • Hardware Installation Guide
  • Fabric OS Access Gateway Administration Guide
  • Fabric OS Administration Guide
  • Fabric OS Extension Configuration Guide
  • Fabric OS Troubleshooting and Diagnostics Guide
  • Fabric OS Command Reference
  • Fabric OS Message Reference
  • Fabric OS MIB Reference
  • Web Tools Administration Guide
  • Flow Vision Configuration Guide
  • Monitoring and Alerting Policy Suite Configuration Guide
• How to download firmware for Lenovo B and DB Series switches:
  http://go.brocade.com/x0L0000S2Ig0GwG00ZAGBB4