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EXPRESSCLUSTER Datasheet, PDF (1/2 Pages) NEC – High Availability Software
High Availability Software
ExpressCluster X forWindows
for Linux
for Solaris
HA Clustering System
This system uses multiple servers: active
servers and standby servers. When any
failure occurs an active server, the jobs on
that server are quickly inherited to a standby
server to ensure that jobs continue running
with minimum downtime.
ExpressCluster X
Top market share* high availability (HA) clustering
software with over 10 years of proven innovation
in mission-critical system protection and recovery.
*Sources : Asia/Paci c (Excluding Japan) Availability and Clustering Software 2010-2014 Forecast (AP2670310S)
Japan System Software 2010-2014 Forecast and 2009 Analysis (J10450103)
Job
Active
server
In case of failure...
Standby
server
Server down
OS failures
NIC failures
SW abnormalities
Disk failures
Abnormally high loads
Maintenaộ nce
Active
server
Job
The client can continue
to access jobs without
awareness of the switch.
Standby
server
Benefits
Clara
Superior Business Continuity
Real-Time Health Monitoring
Proro
Business continuity is crucial in today’s increasingly comput- The Operational status of even large-scale systems made up
erized business world. ExpressCluster X minimizes the loss of multiple clusters can be checked at a glance. Jobs can
of business opportunities during maintenance or disasters.
also be moved to any server by performing simple operations. ExpressCluster
characters
Product Overview
More selectable data sharing types In addition to the typical shared storage methods used for HA clusters, NAS disks or data mirrors can be selected.
ExpressCluster X
ExpressCluster X
Shared storage suitable for large capacity,
heavy access
Web-Based Management GUI
The operation status can be visually deter-
mined using a Web browser.
NAS disk that makes it possible to effectively
use an existing infrastructure
Virtual environment support
Server #1
Server #2
Virtual
machine A
ExpressCluster X
Guest OS redundancy
Virtual
machine B
ExpressCluster X
Virtual
machine C
ExpressCluster X
Virtual
machine D
ExpressCluster X
Virtual
machine A
ExpressCluster X
Virtual
machine B
ExpressCluster X
Virtual
machine C
ExpressCluster X
Virtual
machine D
ExpressCluster X
ExpressCluster X Host OS redundancy ExpressCluster X
VMware, Hyper-V
Windows/Linux
VMware, Hyper-V
Windows/Linux
ExpressCluster X
ExpressCluster X Replicator *
Data mirroring type enables
sharing data at a low cost
* ExpressCluster X
replicator is an
optional product.
WAN clustering supported for disaster recovery
Job
ExpressCluster X
ExpressCluster X
Replicator DR*
ExpressCluster X
ExpressCluster X
Replicator DR *
Mirroring a shared disk
between remote locations
Naturally, one-on-one clustering is possible between remote locations,
but it is now possible for cluster members to share data as well.
*ExpressCluster X Replicator DR is an optional product.
ExpressCluster X Replicator DR includes the features of ExpressCluster X Replicator.
http://www.nec.com/expresscluster