SUSE LinUx EnTErpriSE HigH AvAiLABiLiTY ExTEnSion
DATA SHEET
SUSE® Linux Enterprise 11
SUSE LinUx EnTErpriSE
®
HigH AvAiLABiLiTY
ExTEnSion
Businesses today run 24 hours a day, 365 days a year. And to keep your
businesses running, you need to provide your employees highly available
services—non-stop, continuous access to critical business systems and data.
But you also need to watch your expenses and carefully manage your budget.
You need SUSE® Linux Enterprise High Availability.
Background
Key Features and Benefits
in order to contain costs, many firms began using commodity
SUSE Linux Enterprise High Availability Extension delivers all
off-the-shelf (CoTS) hardware and open source software to
of the essential monitoring, messaging and cluster resource
meet their diverse and growing computing needs. You did too.
manage ment functionality of proprietary third-party solutions,
But because commodity x86 servers generally do not provide the
but at a more affordable price. Based on an innovative, highly
same level of hardware resiliency or built-in redundancy as their
flexible policy engine, it supports a wide range of physical and
more expensive, higher-end server counterparts, one potential
virtual clustering scenarios, and its adherence to open standards
risk you face when using these systems for mission-critical
ensures interoperability.
workloads is unplanned downtime caused by component failures.
in order to ensure the continuous operation of your core business
Flexible, policy-driven clustering solution
services, you need some way to protect your systems from failure
SUSE Linux Enterprise High Availability Extension supports
and increase services availability, either through greater reliability, openAiS—the leading standards-based communication protocol
redundancy or fast fail-over to standby systems.
for server and storage clustering. Also included is pacemaker,
a highly scalable cluster resource manager with a flexible policy
product overview
engine that supports n-node clusters. Using openAiS and
pacemaker, you can continuously monitor the health of your
resources, manage dependencies, and automatically stop and
SUSE Linux Enterprise High Availability Extension can help you
start services based on highly configurable rules and policies.
ensure services availability and stay within budget. it is an
affordable, integrated suite of robust open source clustering
resource agents for applications
technologies that enables you to implement highly available
SUSE Linux Enterprise High Availability Extension includes
physical and virtual Linux* clusters. Used with SUSE Linux
resource agents for many third-party and open source applications
Enterprise Server, it helps you maintain business continuity,
at no additional charge. included are scripts for monitoring third-
protect data integrity and reduce unplanned downtime for your
party applications such as SAp* instance and Database, oracle*,
mission-critical Linux workloads. By using SUSE Linux Enterprise
iBM* DB2*, informix*, WebSphere*, vMware* and novell® eDirectory™.
High Availability Extension, you can safely depend on commodity
Also included are scripts for popular open source services, such
hardware for your mission-critical workloads, deliver the services
as Apache, MySQL, nFS postgres, Tomcat and xen*. With these
required by your business and contain costs.
components, you can quickly, easily and affordably set up many
Contact your local Novell Solutions
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highly available data center services. For the most complete,
together, they can be clustered with physical servers, and physical
up-to-date list of resource agents, please visit: www.novell.com/
servers can be clustered with each other, extending high availability
products/highavailability
from virtual to physical workloads. And the ability to encapsulate
entire workloads within virtual guests means that you can easily
Continuous data replication
replicate and manage them using the tools included, such as
SUSE Linux Enterprise High Availability Extension includes
DrBD8, oCFS2 and cLvM2. The combination of SUSE Linux
support for distributed replicated block devices with DrBD8,
Enterprise Server, with integrated xen, and SUSE Linux Enterprise
a leading open source networked disk-management tool. Using
High Availability Extension, with support for virtualized environ-
DrBD8, you can build single partitions from multiple disks that
ments, gives you unprecedented flexibility to improve services
mirror each other and make data highly available. You can also
ability and improve resource utilization at the same time.
quickly restore clustered services by taking advantage of its
fast data resynchronization capabilities. DrBD8 supports both
User-friendly management tools
synchronous and asynchronous mirroring, and in the event of an
SUSE Linux Enterprise High Availability Extension includes a
outage, it automatically resynchronizes the temporarily unavailable powerful new unified command-line interface for experienced iT
node to the latest version of data, without interfering with the
managers to quickly and easily install, configure and manage their
service that is running.
clustered Linux servers. Also included is an improved graphical
user interface that provides operators with a simple, user-friendly
Cluster-aware file system and volume management
tool for monitoring and administering their clustered environment.
SUSE Linux Enterprise High Availability Extension includes the
Finally, new YaST2 modules for the configuration of DrBD, openAiS
latest version of oCFS2, which is now a shared-disk poSix-
and multipath help you more easily configure distributed storage
compliant generic cluster file system. Using oCFS2, you can
cluster a wide range of applications for higher availability using
systems and high-availability solutions, and improve productivity.
cluster-aware poSix locking, as well as resize clusters and add new
nodes on the fly. Also included is support for cLvM2, a clustered
Supported platforms
logical volume manager. cLvM2 provides a more convenient,
single, cluster-wide view of storage. Clustering extensions to the
SUSE Linux Enterprise Server 11 (for x86, x86_64, itanium*,
standard LvM2 toolset allow you to use existing LvM2 commands
power* and System z* architectures
to safely and simply manage shared storage, eliminating the need
to learn a new set of tools.
pricing
virtualization aware
The clustering technologies in SUSE Linux Enterprise High
SUSE Linux Enterprise High Availability is an extension to
Availability Extension support physical and virtual environments
SUSE Linux Enterprise Server. For current pricing, please visit:
equally well. virtualization is increasingly being used by organiza-
www.novell.com/products/highavailability/howtobuy.html
tions seeking to improve resource utilization, responsiveness and
services availability. SUSE Linux Enterprise Server includes xen,
the leading open source virtualization hypervisor. The cluster
More information
resource manager in SUSE Linux Enterprise High Availability
Extension is able to recognize, monitor and manage services
For more information about SUSE Linux Enterprise High Availability
running within virtual servers created with xen, as well as services Extension, contact your partner or sales representative, or visit:
running in physical servers. virtual servers can be clustered
www.novell.com/products/highavailability
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