1. White PaPer
Why Linux Data Centers
Eight Reasons Why Enterprise Data Centers Choose Emulex
At a Glance
1 Converged networking framework to enable unified I/O (p.2)
Linux users look to Emulex, a leading provider
Benefit—Reduce costs with Emulex LightPulse FCoE CNAs and
of Fibre Channel host bus adapters (HBAs), for
OneConnect UCNAs that support high performance offload for TCP/IP,
high performance, scalable, reliable connectivity
iSCSI and FCoE protocols
solutions. With converged networking, Linux
users now have a greater choice when deploying
a Storage Area Network (SAN) with iSCSI and 2 The most advanced Linux driver architecture (p.3)
Fibre Channel over Ethernet (FCoE) protocols. The Benefit—Enjoy a highly stable system and SAN environment with minimal
Emulex OneConnect universal converged network planned and unplanned downtime
adapter (UCNA) allows Linux environments of any
size to invest in a single product to use for various
3 Technology leadership in storage and network connectivity (p.4)
protocols and is the only product known that allows
the protocol selection to change after the adapter Benefit—Take advantage of new virtualization and security technology
is installed. trends for Fibre Channel, FCoE, iSCSI and networking
Products 4 Strong partnerships with Red Hat, Novell, Oracle, Citrix
and the OpenSource Community (p.7)
n Emulex® OneConnect™ Universal CNA
Benefit—Confidence that Emulex and Linux products and support will work
Emulex LightPulse® Fibre Channel HBAs
well together to ensure that your data centers are operating at their best
and FCoE CNAs
n Emulex OneCommand™ Manager 5.0 5 Highly efficient and scalable enterprise management (p.8)
Benefit—Increase IT productivity so that you can manage larger networks
without increasing administrative costs
n Organizations deploying SAN-based 6 “It Just Works” platform stability and interoperability (p.9)
Benefit—Lower cost of ownership
n Organizations deploying converged
7 High performance (p.10)
Benefit—Achieve greater user satisfaction and increased performance from
your IT investment
8 Broad product offering (p.10)
Benefit—Reduce training and administrative costs by standardizing
2. White PaPer
Why Linux Data Centers
Linux is gaining momentum as the operating system of choice 1. Converged Networking
for many large enterprises. Similarly, SANs have become the Consolidation in the data center has typically meant improved
de facto standard for corporations that have recognized the operations and reduced costs (e.g., benefits of blade servers or
manageability, availability, and cost savings associated with virtualization). These same benefits are extended to I/O as data
shared storage. The most prominent storage solution for Linux is centers implement a new consolidated network technology for
Fibre Channel, according to the July 2007 IDC Worldwide Disk data and storage, called “converged networking.” Converged
Storage (see Figure 1). As corporate data centers standardize networking combines existing Local Area Networks (LANs) and
on Linux, they insist on “enterprise-class” SAN connectivity SANs into a single high performance 10Gb/s Ethernet framework
solutions and supporting system software that can meet their that intelligently connects every server, network and storage
reliability, scalability and manageability requirements. After careful device within the data center, thereby enabling unified I/O.
evaluation, many of the world’s largest organizations are choosing
Emulex LightPulse Fibre Channel HBAs and Fibre FCoE CNAs as Data center administrators face a major networking challenge
the foundation for their Linux-attached SANs. from the combination of high bandwidth requirements, increasing
network sprawl and the need for a more adaptive networking
infrastructure. Most data centers today have:
n Multiple network fabrics, each dedicated to a specific
iSCSI type of traffic
NAS n High numbers of adapters and switch port deployments
9% n Complex cabling infrastructure
n Complex management of switch and adapter firmware and
Fibre associated service contracts
54% Converged networking solutions address these issues and
DAS transition the data center to a more dynamically provisioned
28% network that is highly responsive and addresses the quality and
service level requirements of business applications. Emulex offers
two revolutionary converged networking options:
1. The Emulex LightPulse LP21000 is a first-generation CNA
that leverages eight generations of advanced, field-proven
Fibre Channel HBA technology to provide host LAN and Fibre
Channel SAN connectivity over 10Gb/s Ethernet using FCoE
Figure 1 Worldwide Linux external disk storage system by connection.
and Enhanced Ethernet (EE).
2. The Emulex OneConnect Universal CNA is a second-generation
Emulex HBAs and CNAs are the storage connectivity option of design that supports multiple protocols, allowing data center
choice for enterprise data centers, and data center managers administrators to consolidate to a single high performance, high
increasingly rely on Emulex for their Linux deployments. Why are bandwidth 10Gb Ethernet infrastructure. Based on a single-
Linux IT departments choosing Emulex? Because Emulex offers: chip architecture, OneConnect UCNAs provide CPU offload for
FCoE and iSCSI block storage, TOE and stateless offload for
A leading edge converged networking framework
Networking, and NFS and CIFS for file based storage.
n The most advanced Linux driver architecture
The decision to deploy iSCSI or FCoE is largely based on current
Technology leadership in Linux, virtualization and
deployments in your environment. Enterprise data centers with
Fibre Channel SANs already in place typically choose FCoE, while
n Leading quality and reliability smaller data centers with no Fibre Channel typically choose iSCSI.
n Highly efficient and scalable enterprise management The flexibility offered by the OneConnect UCNA means that any
size data center administrator need not make their final decision
n High performance, broad product offering before purchasing and, in fact, once deployed, the protocol of
choice can change. That is, the decision to use one protocol over
another does not result in additional cost should the need change.
Why Linux Data Centers
Emulex FCoE CNAs and UCNAs: Convergence in your data center
n Deliver optimized I/O performance, enabling more virtual Converged networking creates a new economic model for
machines per server the data center which we call Convergenomics. To analyze
converged networking solutions for your data center, download
n Protect investments in existing storage infrastructure by
your copy of Emulex’s Convergenomics™ - The Guide to Network
leveraging existing storage management tools and processes for
Convergence Solutions and go to the Convergenomics Calculator
n Enable seamless extension of Fibre Channel SANs
n Are supported by the Emulex OneCommand Manager 2. Advanced Linux Driver Architecture
application that provides management throughout the data Data center administrators know that a highly reliable software
center from a single console for OneConnect UCNAs and architecture is critical to the foundation of an enterprise SAN.
LightPulse Fibre Channel HBAs and FCoE CNAs The Emulex Linux-based software stack features:
A single adapter driver model ensuring that one driver supports
LightPulse FCoE CNAs
all generations of Emulex LightPulse HBAs, FCoE CNAs and
The LP21000 family of Converged Network Adapters enables OneConnect UCNAs. The single driver model preserves
Fibre Channel traffic to be directly carried over Ethernet alongside IT investment by taking advantage of new features and OS
networking traffic. FCoE eliminates the need to have two versions delivered through new driver releases across all Emulex
independent networks carrying storage and networking traffic, adapters. A single driver simplifies management and reduces
thereby easing bandwidth management and offering significant operating costs by eliminating the need to maintain complex
cost savings. The Emulex CNA architecture combines the driver/hardware compatibility matrices.
functionality of industry-standard Network Interface Cards (NICs)
Service Level Interface (SLI™) allowing new firmware releases to
with Emulex’s industry leading Fibre Channel HBAs, seamlessly
be deployed on one server or throughout the network without
converging the traffic over a shared lossless Ethernet network.
rebooting. New firmware releases translate into new functionality
Leveraging eight generations of advanced, field-proven Fibre and enhanced performance.
Channel technology, the PCI Express-based LP21000 family
Consistency between “In Box” native Fibre Channel drivers
meets the robust interoperability and reliability requirements of
included with the Linux distributions and the driver certified by
corporate data centers. The design leverages Emulex’s proven
leading server and storage vendors. One driver gives end users
enterprise class drivers, firmware and hardware architectures,
support continuity (without finger pointing) and interoperability
while delivering the sophisticated capabilities required to manage
between server, storage and Linux distribution suppliers.
multiple types of data flow concurrently without disrupting
application performance. n Support for all leading Linux distribution including Red Hat
Enterprise Linux and MRG, Novell SLES and SLERT, Oracle
OneConnect UCNAs Enterprise Linux, Asianux (Red Flag, Miracle, Haansoft) and
special OEM versions.
The Emulex OneConnect UCNA is designed to address the key
challenges of evolving data center networks and improve the n Implementation of key new Linux kernel features such as /sys
overall efficiency of data center operations. It enables compact filesystem (sysfs) and Device Mapper MPIO multipathing (dm_
form factors that meet the space constraints of all server multipath).
platforms, including blade servers, and lowers power usage which
reduces energy and cooling costs.
With the Emulex OneConnect UCNA, data center administrators
can achieve lower total cost of ownership (TCO) through a
simplified network infrastructure with the cost for network
connections, cable and cable installation reduced by up to 85%.
For virtualized servers, UCNAs will minimally reduce the number of
Ethernet connections from five or more to two.
4. White PaPer
Why Linux Data Centers
n Data Integrity Initiative (DII) leadership—Emulex, Oracle,
Seagate and LSI are driving the Data Integrity Initiative, a
S INGLE D technology collaboration aimed at bringing to market the
first application-to-disk data integrity solution, based on the
L R American National Standards Institute (ANSI) T10 Data Integrity
Field (DIF) standard. At Storage Networking World Spring
Fibre Channel HBA
2007, Emulex and Oracle demonstrated this end-to-end data
and FCoE CNA
integrity, highlighting an Oracle application running on a Linux
LP9xxx, LP10xxx, LP11xxx, LPe12xxx, LP21xxx
server with Emulex HBAs validating the integrity metadata (see
Multi-Platform Figure 3). In late 2008, Oracle and Emulex worked together to
Storage: EMC, HDS, HP, IBM, Sun, etc. do extensions to this technology, with Emulex co-leading the
Server: Standard and Blade design and development in the kernel and adding adapter and
Architecture: AMD, Intel, POWER, driver support. Over the next year, continue to look to Emulex
SPARC, Itanium 32 and 64 bit, multi-core as an industry leader driving to improve quality and reliability of
enterprise class applications.
PCI-X, PCI Express n MSI-X—Emulex delivered improved host CPU utilization, I/O
scalability and application performance through support for
Multi-OS Platform Support
Message Signaled Interrupts eXtended (MSI-X) with Linux.
Windows, Linux, VMware
T TargetConnect™ Software Developer Kit (SDK)—Linux
Solaris, NetWare n
L storage solution developers experience intense deadline and
budget pressure to design and deliver advanced features and
functionality required by networked storage applications. The
Emulex TargetConnect SDK provides the flexibility to quickly
develop and deploy high performance, feature-rich Linux storage
Figure 2 Emulex single driver model. solutions based on Emulex LightPulse Fibre Channel and FCoE
target mode drivers. These solutions include sophisticated
storage devices which provide advanced functionality, including
3. Technology Leadership in Linux, storage appliances, test and diagnostics, backup engine
Virtualization and Network Connectivity devices, deduplication and more.
Data centers deploying Linux gravitate toward and standardize on n NIC Teaming—Emulex fully supports NIC Teaming for servers
suppliers who actively work to improve the Linux platform. With running Linux, allowing administrators to take advantage of
a dedicated team of Linux engineers, Emulex is recognized as a network controller teaming technology with a graphical user
technology leader among the Linux development community. Key interface (GUI). This improves performance and reliability with
contributions include: port failover for increased fault tolerance.
n Fibre Channel Transport Layer architect—Emulex architected n CPU Virtualization (or Virtualization Technology for
and maintains the vendor-agnostic Fibre Channel Transport Directed I/O, input/output memory management unit
Layer that is now part of the Linux kernel. Emulex’s vast [VT-d, IOMMU])—Many newer high performance servers
experience in the design and development of Fibre Channel based on the latest Intel and AMD CPU chipsets provide a direct
controllers, and its strong partnerships with industry leading memory access (DMA) remapping capability which provides
server, storage and software suppliers, is applied to critical Linux for additional security in virtualized environments, helps enable
kernel components such as the Fibre Channel Transport. Single Root I/O Virtualization (SR-IOV) and can provide a
n Xen/KVM Hypervisor support—Hypervisors allow the creation one-to-one mapping of a given port to a specified VM. For the
of virtual machines (VMs) supporting “Guest” operating system latter capability, Emulex provides support to assign individual
instances. The Emulex Linux driver has been fully tested for adapter ports to designated VMs, thus bypassing the hypervisor
interoperability with the hypervisor server virtualization module and delivering I/O performance equivalent to a non-virtualized
and supports N_Port ID Virtualization (NPIV). (See Page 5 for environment. This direct assignment model is beneficial in
more details.) workloads with very high I/O performance requirements.
Why Linux Data Centers
DII Solution Overview
• Create integrity metadata coincident with data creation
• Validate the metadata throughout the data path
• Errors are directed to the application for remediation
Oracle application Emulex LightPulse Emulex LightPulse Array validates Array sends block to
sends block with adapter validates adapter sends data metadata and writes back end IOC, and
integrity metadata metadata block with metadata entire block to out to disk
to Emulex across across FC domain RAID memory
PCI bus to the Array Disk validates
metadata and writes
Database OS HBA Fabric Systems Disk
Application Content Validation 10 DIF with LBA Lock T10 DIF with 32B CDBs
Figure 3 Application-to-disk data integrity.
Virtualization Leadership n Partnered with the Xen community, VMware on ESX Server and
Virtualization technologies are driving corporate IT disaster Microsoft on Virtual Server to enhance support of NPIV with
recovery, capital control and operating efficiency initiatives. these popular hypervisors.
Emulex is providing key technologies that eliminate inhibitors to n Teamed with Cisco in the support of VSAN technology, enabling
deployment of server virtualization in SAN environments. The a single adapter to connect into multiple virtual fabrics, by
following are just some of the contributions: tagging each individual frame for fabric routing.
n Co-developed (with IBM) N_Port ID Virtualization (NPIV) n Collaborated with Cisco, Brocade and other vendors to ensure
technology. NPIV is a key feature of Emulex Virtual HBA seamless interoperability of NPIV implementations and provide
technology, enabling each HBA or CNA port to register multiple data center administrators with greater flexibility for implementing
“virtual ports” identified by Worldwide Port Name (WWPN) within server virtualization in SAN environments.
the fabric. n Provided early NPIV management related sample code and
n Emulex virtualization technology empowers administrators to completed test runs of the libvirt Virtual Shell Command Line
deploy server virtualization, follow SAN best practices and Interface (CLI), known as “virsh,” with Emulex drivers and
seamlessly leverage popular storage management applications adapters to assure compatibility with this important set of
while implementing zoning and storage masking. application program interfaces (APIs) and CLIs.
n Drove the designation of NPIV as the ANSI T11 standard. Emulex LightPulse adapters with NPIV are supported across all
n Delivered the first NPIV-compliant driver into the Linux Linux distributions and work with Xen and KVM hypervisors.
6. White PaPer
Why Linux Data Centers
Emulex technology leadership transcends internal engineering Security Innovations
accomplishments. Emulex is a key contributor to various storage Storage security has often been overlooked as an area of concern
and software standards bodies and is highly engaged in the but can have significant impact given how critical data assets
storage ecosystem, turning standards into interoperable solutions. are to every organization. Storage security ranks with server and
network security as a top-of-mind issue for IT management.
Emulex 1st to develop SAN Emulex has taken a leadership role in applying the latest in
1998 connectivity for virtualized security standards into the Emulex LightPulse and OneConnect
mainframe servers product lines.
n Emulex OneCommand Manager centralized management
Emulex, IBM & McData begin to application addresses the security concerns for remote
2001 define the NPIV standard management of HBAs with the support of Authenticated
Common Transport (Authenticated CT) protocol as defined
in Fibre Channel Global Services 3 (FC-GS-3) specification.
NPIV Standard is adopted by
2003 ANSI T11
Support of Authenticated CT satisfies the number one
recommendation of the Storage Networking Industry
Association’s (SNIA) storage security initiative calling for securing
Emulex 1st to ship NPIV-ready of the management path.
2005 4Gb/s PCI-X and PCI Express n In 2007, Emulex continued to take the lead in enhanced
Fibre Channel HBAs
security in the SAN by supporting the Fibre Channel Security
Protocol (FC-SP), a standard that is now under the American
Emulex 1st to demonstrate NPIV with National Standards Institute (ANSI) International Committee
Xen on SUSE SLES 10 at CeBIT for Information Technology Standard (INCITS). FC-SP is a
comprehensive approach to all aspects of data security. Support
2006 of HBA authentication helps data centers protect against WWN
Emulex 1st to demonstrate NPIV spoofing, host masquerading, non-malicious and administrator
with Xen on Red Hat at Linux World caused outages.
Emulex submits NPIV into the Linux
Emulex adapters supported by Oracle
with Oracle VM
Emulex ships 8Gb/s Fibre Channel
HBAs and FCoE CNAs with
Red Hat, Novell, and Oracle support
Emulex HBAs with NPIV support
Emulex supports KVM with
2009 OneConnect UCNAs and
LightPulse HBAs and CNAs
Support of DH-CHAP Authentication helps data centers protect
Figure 4 Emulex NPIV and Linux timeline. against a variety of host threats such as WWN spoofing, host
masquerading and administrative caused outages.
Figure 5 Host threats prevention.
Why Linux Data Centers
EmulexSecure™ 8Gb/s Fibre Channel HBA technology provides As a virtualization leader, Emulex contributes to Red Hat’s
strong host-based encryption to protect data throughout the lead role in the open project, libvirt, for the development and
enterprise, both in-flight on the SAN and at-rest on storage standardization of virtualization management tools. Libvirt is a
devices. Emulex has partnered with industry leader RSA for development community and the name of the virtualization API
encryption key management. RSA’s Key Manager is an easy-to- set it develops and makes available under the Lesser General
use, centrally administered, enterprise key management system Public License (LGPL). A goal of the community and the API is
that simplifies the deployment and ongoing use of encryption to offer access to a comprehensive set of virtualization related
throughout the enterprise. EmulexSecure HBA technology management operations for use by both developers of higher-level
provides data centers with maximum protection for the lowest management applications (APIs) as well as by skilled end-users
cost. It off-loads encryption from the server CPU, providing (via a robust CLI provided by the libvirt program).
a high performance architecture that allows administrators to Emulex has been active in providing early NPIV management
encrypt once and protect everywhere. Finally, EmulexSecure HBA related sample code and in carrying out test runs of the libvirt virsh
technology enables VM-level encryption to enable security across with Emulux drivers and adapters to assure compatibility with this
all VMs with the ability to seamlessly support the secure transfer of important set of APIs and CLIs.
a VM from one physical server to the next.
Emulex is an active and influential contributor to the FC-SP Novell SUSE
standard. As storage security comes of age, Emulex is committed With a relationship that predates Novell’s acquisition of SUSE,
to delivering flexible and standards-based security technologies Emulex regularly provides hardware to Novell for development
that will help mitigate data storage security risks and address and testing. Additionally, Emulex provides code when needed,
threats in the Fibre Channel storage space. and did so recently for an NPIV management project in Novell’s
system management product suite, ZENworks. Emulex and Novell
4. Strong Partnership with Linux Suppliers collaborated to deliver an integrated management solution for
administrators when running VMs and HBAs. The solution offered
Linux data centers rely on Emulex OneConnect and LightPulse
by Emulex and Novell provides virtual ports (VPorts) via NPIV
adapters for robust performance while looking to Linux suppliers
technology with each Emulex LightPulse HBA. The management
for in-box distribution of the Emulex driver and extensive support.
of NPIV is then automated with PlateSpin Orchestrate software for
Emulex, a key contributor to the open development community,
efficient, unified and time saving management of all virtual assets.
works closely with market leading Linux distribution suppliers
to ensure the latest drivers are delivered and supported. After Emulex also qualifies its products under YES, Novell’s self-
providing the Emulex drivers through in-box distribution, these certification program. Lastly, as a member of PartnerNet, Emulex
key Linux partners provide frontline support with assistance from and Novell regularly share roadmaps and strategies, ensuring that
Emulex as required. Linux customers continue to receive products that meet the robust
needs of their enterprise environments.
Emulex’s involvement with these key suppliers takes many
shapes as each supplier is unique. This involvement could include Oracle
providing necessary hardware, participating in partner programs,
completing mutual reviews of roadmaps and participating in Oracle Enterprise Linux and Oracle VM have supported Emulex
supplier’s events. Here are some examples of the relationships adapters since day one. Emulex is part of Oracle’s Unbreakable
that Emulex has with these key Linux contributors: Linux Program and participates in Oracle’s Validated Configuration
Program to offer best practices for Linux deployments for our joint
Red Hat customers.
Red Hat first delivered driver support of Emulex HBAs to Collaborating on new technology initiatives, Oracle and Emulex are
Linux customers in 2004. Since then, the two companies working together on a number of joint projects including the Data
have collaborated on many technological advances. Through Integrity Initiative, NPIV management in an Oracle VM environment
regular meetings, Red Hat and Emulex collaborate on for Linux enterprises and joint collaboration for a major data
upcoming technology, such as converged networking for Linux warehousing project with Oracle’s Executive Technology Centers.
environments, as well as day-to-day program level issues. Emulex Listed in Oracle’s Solutions catalog, Emulex, through its strong
delivers HBAs and CNAs to key partners, such as Red Hat, for partnership with Oracle, ensures that Linux end users have a fully
integration testing with their products. This includes providing the supported, robust Fibre Channel SAN.
CNAs for Red Hat to complete FCoE testing. As part of Oracle Partner Network, Emulex participates in Oracle’s
largest event, Oracle OpenWorld.
8. White PaPer
Why Linux Data Centers
Emulex and Citrix developed a strong relationship through Citrix’s
acquisition of XenSource, a partner of Emulex’s since 2006.
Emulex is part of the Citrix Ready Program, ensuring reliable
and interoperable solutions. Currently, all Emulex 2 and 4 Gb/s
products are featured on Citrix’s Hardware Compatibility List, with
the Emulex 8Gb/s products to follow in line with the next release of
Citrix delivers the Emulex LightPulse HBA driver with all the
XenServer versions (Enterprise, Express, and Standard). To ensure
future solutions meet the needs of Linux enterprise environments,
Citrix and Emulex collaborate on technology roadmaps, resulting
in a recent OneCommand Manager application enhancement that
now makes iSCSI configuring much simpler.
5. Efficient Scalable Enterprise Management
In any data center, manageability is critical and is one of the
reasons that Linux data centers standardize on Emulex. Emulex “...Our test concluded that Emulex’s HBAnyware was an easier,
OneCommand Manager application and HBAnyware HBA and more intuitive management application, lending itself to large
CNA management software are designed for efficient, scalable SAN environments.”
administration of enterprise-class SANs and for converged
—Dennis Martin, President of Demartek Testing Laboratory
network solutions. OneCommand Manager 5.0 now provides a
multi-protocol management stack for the storage (Fibre Channel Figure 6 HBAnyware centralized HBA and CNA management.
and iSCSI) and network connectivity solutions through a graphical
(GUI) or scriptable CLI.
The OneCommand Manager application provides comprehensive
OneCommand Manager is the only management application control of Emulex OneConnect UCNAs and LightPulse HBAs and
that delivers integrated iSCSI deployment and administration CNAs within a centralized, cross-platform framework, combining
capabilities from a central console, eliminating the need to use flexible remote-management options with secure access control.
tools within the BIOS or OS platform to configure the iSCSI OneCommand Manager delivers:
adapter and then use a separate application for management.
n State-of-the-art, powerful management capabilities, no matter
Efficient Management where the HBAs or CNAs are located, what platform they are
running on, or how they can be accessed—whether in-band
Emulex OneCommand Manager application and HBAnyware (over the Fibre Channel link, an exclusive feature of Emulex) or
are designed for efficient, scalable administration of enterprise- out-of-band (over the local area network).
class SANs. Independent studies have found that HBAnyware is
more intuitive, more scalable and offers greater functionality than n Automation of key management tasks for unparalleled HBA and
competitive HBA and CNA management solutions. CNA configuration and management efficiency. Driver profiles,
which contain the driver’s parameter settings, can be replicated
and efficiently applied to other HBAs in a single step.
n Batch mode propagation of driver profiles and firmware versions
effortlessly across the SAN.
n Scriptable CLI giving storage administrators the flexibility to tailor or
automate their HBA management actions using customized scripts.
n Tools for offline, online and different protocols for OneConnect-
enabled servers (using either a OneConnect UCNA or a
OneConnect LAN on Motherboard (LOM))
n Export of HBA/CNA data using an open, flexible XML format,
which IT administrators can import into commonly used data
analysis tools, such as Excel, to create custom reports.
n Discovery and management of VPorts residing on Emulex Fibre
Channel HBAs and FCoE CNAs (see Figure 7).
Why Linux Data Centers
n Streamlined replacement avoids configuration errors. Emulex
LightPulse adapters store port parameters on the host, so that
when an adapter is replaced, the parameters associated with the
previous port are not automatically applied to the replacement
adapter without user involvement.
6. Guaranteed Quality and Reliability
Emulex provides “It Just Works” quality—delivering reliability, data
integrity and interoperability to large enterprise SANs.
Emulex customers depend on Emulex for reliability and data integrity:
n Emulex LightPulse Fibre Channel HBAs have achieved an
unparalleled 10 million hours mean time between failure (MTBF)
based on the reliability data collected from shipments of the
LP10000, LP110000, and LPe11000 families of LightPulse Fibre
Figure 7 The OneCommand Manager application n Since 1996, Emulex has used a combination of parity, CRC
provides discovery and management of vPorts. (cyclic redundancy check), ECC (error correcting code) and other
advanced error-checking algorithms to verify that the data blocks
being passed from the host interface through the LightPulse
Integration with Leading Management Software adapter are protected from data corruption.
Emulex was a principal in the definition of the Storage Management n As a member of the Data Integrity Initiative, Emulex was the
Initiative Specification (SMI-S) and was the first Fibre Channel first HBA vendor to demonstrate true “application-to-disk” data
adapter vendor to deliver an SMI-S provider. Emulex offers open, integrity by implementing the T10 DIF standard in an Oracle-
standards-based interfaces and components, enabling integration aware implementation.
with enterprise storage or server management solutions.
Emulex has established one of the industry’s most comprehensive
Emulex offers pre-boot utilities for integrated blade installation and interoperability labs. A vast collection of servers, storage
provisioning with solutions such as: subsystems and test equipment continuously test and re-test
n IBM Remote Deployment Manager Software (RDM)— OneConnect and LightPulse adapters to ensure interoperability
Automates the provisioning of Emulex OneConnect and in real-world environments and common customer configurations
LightPulse adapters in IBM servers. (see Figure 8 for a view of Emulex’s compatibility database
accessible from the web).
n HP Rapid Deployment Pack (RDP) software—Supports
seamless OneConnect and LightPulse adapter installation and
Expedites SAN Troubleshooting
Emulex OneConnect and LightPulse adapters are designed to
assist with troubleshooting and to minimize the impact of field
n HBA and CNA beaconing facilitates physical identification of an
adapter within a server by distinctive flashing of the adapter’s LEDs.
n OneCommand Manager application features robust online
diagnostic functions (such as various loopback tests), warm
Power-On Self-Tests, and end-to-end diagnostic functions to
validate connectivity across the fabric.
n Critical state information can be captured and saved in a file,
either automatically or on demand. This information can be used
when troubleshooting or as backup information when engaging
Figure 8 Emulex interoperability database provides compatibility
10. White PaPer
Why Linux Data Centers
7. High Performance Fibre Channel Solution 8. Choice for Enterprise Linux SANs
Emulex OneConnect and LightPulse adapters deliver excellent Emulex is the recognized Fibre Channel HBA, FCoE CNA and
performance across a wide range of application environments UCNA leader for large enterprise customers. More than 95 of the
with varying server workloads. Emulex integrated processors and Fortune 100, as well as large corporations worldwide, use Emulex
dedicated hardware engines ensure maximum I/O processing HBAs for their mission critical applications.
speeds in transaction processing environments, while enabling Emulex offers a broad family of HBAs and CNAs supporting
sustained high bandwidth and CPU efficiency that maximizes all major bus architectures with single, dual and even twenty
application performance. Key technology innovations include: channel I/O connectivity. Emulex has partnered with major system
n Dynamic interrupt coalescing optimizes I/O interrupt suppliers, such as IBM, HP, Sun, Fujitsu Siemens and Dell,
management for both heavy and light traffic. providing Fibre Channel connectivity for leading blade solutions.
n Frame-level Multiplexing continuously determines the optimum use Emulex LightPulse adapters are supported by leading server,
of the Fibre Channel network to ensure maximum link utilization. storage and Linux distribution suppliers, allowing data center
administrators to standardize on Emulex LightPulse adapters
n Out-of-order Frame Reassembly reorders data frames in the
knowing they will have the support and accompanying products
proper sequence, minimizing retransmissions and enhancing
from their preferred vendor.
overall network performance.
Emulex is the HBA and CNA vendor of choice for Linux enterprise
n Compared to the leading competitor, Emulex offers 20-times
solutions. Companies who have already standardized on Emulex
more Buffer Credits providing uninterrupted link-rate
for their Windows, Solaris, HP-UX, VMware or AIX solutions are
performance during periods of high server I/O bus activity.
now achieving the same scalability, performance, manageability
n Support for multiple concurrent DMA reads accelerates I/O and investment protection with open-source Linux Fibre Channel
performance for highly transactional applications. HBA, FCoE CNA and UCNA solutions from Emulex.
Why Linux Data Centers
Figure 9 Emulex HBAs and CNAs are fully supported throughout the SAN.