www.redhat.com Red Hat ® Eterprise Li® is a high-performig operatig system that has delivered ot- stadig vale to IT eviromets for early a decade. As the world’s most trsted IT platform, Red Hat Eterprise Lihas beedeployed imissio-critical applicatios at global stock exchanges, nancial institutions, leading telcos, and animation studios. It also powers the websites of some of the most recogizable global retail brads. Red Hat Eterprise Li: • Delivers high performace, reliability, ad secrity • Is certied by the leading hardware and software vendors • Scales from workstatios, to servers, to maiframes • Provides a cosistet applicatioeviromet across physical, virtal, ad clod deploymets Desiged to help orgaizatios make a seamless trasitioto emergig dataceter models that iclde virtalizatioad clod comptig, Red Hat Eterprise Liicldes spport for major hardware architectres, hypervisors, ad clod providers, makig deploymets across physical ad differet virtal eviromets predictable ad secre. Ehaced tools ad ew capabilities in this release enable administrators to tailor the application environment to efciently monitor ad maage compte resorces ad secrity. Datasheet Red Hat enteRpRise Linux 6
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Red Hat Eterprise Li 6 is the sith geeratio of a log-term, predictable operatig plat-form. With the exibility to deploy on physical hardware, as a virtual host, as a virtual guest,
or i the clod, Red Hat Eterprise Li 6 is the ideal fodatio for et-geeratio data-
ceters. It esres log-term stability while cotiig to iovate ad deliver ehacemets —
deliverig the optimal combiatio of iovatio ad stability.
Key parterships across the idstry allow Red Hat to esre the stability of the platform
across the broad ecosystem of systems ad applicatios. With embedded egieerig ad
deep collaboratio, Red Hat is o the forefrot of the commercial matratio of techology.
Customers benet through the distribution of timely service packs and interim releases. The
modlar architectre of Red Hat Eterprise Li allows fctioality ehacemets that do
not effect application interfaces. Applications do not need to be rebuilt or recertied when they
are pdated becase the applicatio programmig ad biary iterfaces (API/ABI) remai the
same for the fll life of a Red Hat Eterprise Li release regardless of the physical, virtal, orcloud deployment model. This means that Red Hat’s rich ecosystem of thousands of certied
applicatios are kept available, avoidig delays that wold otherwise occr with epesive ad
time-cosmig retestig efforts every time a vedor pgrades its software.
Other featres esre that Red Hat Eterprise Li is both scalable ad trsted. Software
RAID, storage mltipath spport, ad etwork bodig provide resiliecy i etwork ad
storage areas. File-system capabilities sch as barriers ad TRIM spport allow for data safety
ad thi provisioig, while logical volme maagemet provides disk abstractio. These are
amog the few featres that have evolved to make Red Hat Eterprise Li oe of the most
stable ad trsted IT platforms.
Fleibility
Red Hat Eterprise Li offers cstomers a wide rage of optios for tailorig the operatig
system to their specic environments. Red Hat Enterprise Linux 6 includes new denitions of
featre compoet grops to allow easy featre selectio from a miimal istall for a basic
rtime eviromet, to a fll set of featre selectios icldig storage optios, systems ma-
agemet, graphical iterfaces, ad admiistrative tilities. I additio to spport for a breadth
of ifrastrctre optios, Red Hat Eterprise Li 6 also icldes a complete portfolio of ope
sorce applicatios. With spported applicatios ragig from web ifrastrctre to databases
ad developmet frameworks, Red Hat Eterprise Li 6 istallatios are sitable for a broad
rage of workloads.
In addition to feature exibility, Red Hat Enterprise Linux also offers deployment exibility,
with spport for a wide rage of hardware from idstry-stadard servers to maiframes,
ad ew sbscriptio optios for etedig its lifecycle with Eteded update Spport (EuS)
ad Eteded Lifecycle Spport (ELS).
Customers also get operational exibility through automated deployment features such as
the kickstart tools, atomatic system pdates, ad aditig capabilities of Red Hat network.
Red Hat network, ad its o-premise versio Red Hat network Satellite, helps orgaizatios
lower their per-system deploymet ad maagemet costs, redces plaed dowtime
by atomatig ad cetralizig rotie tasks, ad creates a cosistet eviromet.
CITIGROUP INNOVATES
There is a big psh withi Citi to
drive IT optimizatio ad co-sistecy. By deliverig a com-
mo global Li bild across
the enterprise, the rm has
bee able to retire a mber of
oe-off ifrastrctre software
prodcts ad their associated
costs. I the process, it has bee
able to egotiate eterprise-level
agreemets for a redced m-
ber of third-party prodcts that
ca be leveraged across both
hardware platforms.
Additioally, virtalizatio has
prove to be a sccessfl strat-
egy for optimizig hardware
tilizatio. IBM maiframes
have a log traditio of deliver-
ig virtalizatio ad perform
especially well for workloads
that reqire heavy ipt/otpt,
whereas the vale propositio
for virtalizatio o 86 maily
comes from the low cost of etry
ad the ability to scale ot mas-
sively. With a commo Red HatEterprise Li bild, Citi is able
Red Hat is a drivig force behid the developmet of ope sorce virtalizatio techology.
Red Hat’s approach to virtalizatio is easy to adopt becase it is delivered as a itegralpart of the Red Hat Eterprise Li platform. Based po kerel-based virtal machie (KVM)
techology, Red Hat’s virtalizatio capabilities are itegrated ito Red Hat Eterprise Li
ad leverage the latest hardware virtalizatio capabilities provided by Itel® ad AMD®
processor platforms. The modlar desig of Red Hat Eterprise Li allows cstomers to
choose when and where to use virtualization. For additional exibility, customers can deploy
both Red Hat Eterprise Li ad Microsoft® Widows® as flly spported gests i a Red Hat
Eterprise Li virtalized eviromet. Red Hat Eterprise Li also spports mltiple
virtalizatio se cases, from hardware abstractio for eistig software stacks, to dataceter
cosolidatio, to virtalized clsters ad private clods.
Beyod core virtalizatio, Red Hat Eterprise Li offers leadig spport for advaced
virtalized I/O capabilities throgh SR-IOV ad nPIV stadards. A stadard virtalizatio
maagemet ifrastrctre, libvirt, developed by Red Hat ad adopted by other operatig
systems, provides a exible interface for dening, managing, and monitoring virtual machines.
Scalability an performance
Red Hat Eterprise Li 6 has bee desiged to deliver performace ad scalability withot
sacricing data integrity. It allows scaling to 4,096 CPUs and 64 terabytes of RAM, providing
a solid fodatio for spportig pcomig geeratios of hardware. Withi this broad frame-
work, Red Hat Eterprise Li 6 provides spport for a variety of etworkig ifrastrctres,
such as Inniband and Ethernet, and for storage infrastructures, such as FCoE and iSCSI, as
well as for traditioal nAS, SAn, ad DAS devices.
Red Hat Eterprise Li also offers high performace ad scales from desktops to worksta-
tios, from blades to rack eviromets, from sigle CPu systems to the largest SMP servers
ad maiframes. As hardware pgrades cotie to offer additioal processig ad storagecapabilities, Red Hat Eterprise Li allows cstomers to take advatage of those advaces
by selectig those scale-p ad scale-ot strategies ad platform architectres that meet their
bsiess reqiremets.
Red Hat coties to collaborate with its parters to deliver advaced fctioality to cstom-
ers. For eample, improvemets i virtalizatio performace make it practical to deploy ay
applicatio workload, eve I/O-bod applicatios, o the Red Hat Eterprise Li 6 platform.
The most dramatic improvemets i recet virtal machie performace are made possible by
I/O optimizatios, icldig spport for ew hardware capabilities, sch as 10-gigabit SR-IOV
adapters and NPIV. These have reduced overhead for I/O-bound environments to less than ve
percet, which opes the door to a whole ew class of applicatios, sch as database, trasac-
tion processing, and le servers.
Red Hat, i cooperatio with its hardware parters, is eablig reliability, availability, service-ability (RAS), ad scalability featres that have bee recetly itrodced to maistream archi-
tectres, ad which miimize dow time, icrease availability, ad protect data.
Red Hat Eterprise Li-powered systems have achieved leadig reslts o idstry-
stadard bechmarks as diverse as SpecWeb, which measres web servig; TPC-H for large-
scale data warehoses; ad SpecVirt for server cosolidatio. Red Hat Eterprise Li 6 is
a fodatio for gettig the most from ew server hardware o diverse workloads ad across
Secrity for Red Hat Eterprise Li begis with a core featre kow as Secrity-Ehaced
Li (SELi). Co-developed betwee Red Hat ad the u.S. govermet’s natioal Secrity
Agency (NSA), SELinux delivers a strong and exible MAC framework to enforce role-basedaccess cotrol ad mlti-level secrity. SELi spport has bee wove ito all parts of the
platform, icldig virtalizatio, to provide critical gest separatio regardless of the gest
operatig system. With etesive applicatio policies ad a complete review of system privi-
leges, Red Hat Eterprise Li 6 makes sig SELi easier tha ever.
In addition to SELinux, Red Hat Enterprise Linux includes system rewalls, audit capabilities,
and system package and le integrity verication tools for a complete security architecture
that covers deploymet models ragig from Iteret-facig servers to trsted compters.
Backig p the core techology is the Red Hat Secrity Respose Team, recogized as idstry
leaders for addressig secrity vlerabilities. I smmary, Red Hat Eterprise Li provides
a matched secrity eviromet for cstomers ad their applicatios.
Agility across physical, virtual, an clou
Red Hat Eterprise Li 6 allows bsiesses to deploy physical, virtal, ad clod comptig
withi their dataceters. With KVM itegrated directly ito the kerel, Red Hat Eterprise
Linux 6 technologies span all environments, reducing complexity, increasing efciency, and
miimizig admiistratio overhead while leveragig operatig platform skills. Itegrated vir-
tualization enables interoperable physical and virtual deployments, while ne-grained control
of compte resorces (CPu, memory, etworkig, ad I/O) allow bsiesses to maage applica-
tio or gest service-level agreemets (SLAs). I additio, power maagemet ehacemets
redce system carbo footprits.
Re Hat Enterprise Linu A-Ons
Add-Os to Red Hat Eterprise Li allow yo to tailor yor applicatio eviromet
with workload etesios to sit yor particlar comptig reqiremets.
Availability
• High Availability Add-O: Provides a ifrastrctre for improvig applicatio availability
• Resilient Storage Add-On: Provides support for cache-coherent clustered le systems
ad icldes the High Availability Add-O
• Load Balancer Add-On: Supports TCP and UDP trafc balancing
sclbiliy
• Scalable File System Add-On: Provides support for le systems up to 100 terabytes
• High Performace network Add-O: Spports RDMA operatios over 10-gigabit Etheret,
also kow as RoCE
Management
• Smart Maagemet Add-O: Offers Red Hat network maagemet ad provisioig
capabilities
Lifecycle management
• Eteded update Spport Add-O: Eteds the spport period of a pdate for 18 moths
and delivers overlapping release support to give enterprise customers more exibility
To obtai the maimm vale from their Red Hat Eterprise Li sbscriptios, cstomers se
Red Hat Network Satellite to update, congure, and provision their systems. Red Hat NetworkSatellite is a easy-to-se systems maagemet platform that provides lifecycle maagemet
for small, medim, ad large ifrastrctres. It provides powerfl systems admiistratio capa-
bilities, such as update management, conguration management, provisioning, and monitor-
ig for all deploymets. It ca maage all Red Hat Eterprise Li systems, whether they are
physical or virtual, from its web-based interface. Red Hat Network Satellite provides efcient
maagemet of Red Hat Eterprise Li, maagig a thosad systems as easily as oe. For
third-party maagemet frameworks, there is etesive spport for web-based eterprise ma-
agemet (WBEM).
ROAD TO THE CLOUD
Choosing Red Hat as the standard for applications is the rst step in moving toward a service-
orieted IT model that icldes clod capabilities. As a host or a gest, Red Hat Eterprise Lidelivers the core techologies to deploy both private ad pblic clods. The applicatio ma-
agemet, tig, ad secrity eviromet is cosistet whether the workload is deployed o
a physical system, as a virtal gest o ay of the leadig hypervisors, or with a pblic clod
provider. I shared ad virtalized eviromets alike, the featres ad capabilities of Red Hat
Eterprise Li make it the ideal host ad gest operatig system.
REFERENCE ARCHITECTURE LIBRARY
The Red Hat Eterprise Li referece architectre library icldes comprehesive soltios
that help cstomers get the most ot of their Red Hat Eterprise Li-based eviromets.
These referece architectres eplai the capabilities of a give soltio ad provide istrc-
tions for implementing best practices for such things as provisioning, management, congura -
tio, ad performace tig. They also iclde iformatio abot iteroperability with otherprodcts. Fid the soltio that best sits yor eviromet by visitig