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Red Hat High-Availability Add-On Site Subscription - subscription (1 year)

Mfg. Part: RH1140233 | CDW Part: 3621143 | UNSPSC: 43232302
$6.99Advertised Price
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  • Subscription (1 year)
  • 1 FTE
  • academic
  • Linux
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Product Overview
Main Features
  • Subscription (1 year)
  • 1 FTE
  • academic
  • Linux
The High Availability Add-On for Red Hat Enterprise Linux provides continuous availability of services by eliminating single points of failure. By offering failover services between nodes within a cluster, the High Availability Add-On supports high availability for up to 16 nodes.

The High Availability Add-On also enables failover for off-the-shelf applications such as Apache, MySQL, and PostgreSQL, any of which can be coupled with resources like IP address and single-node file systems to form highly available services. The High Availability Add-On can also be easily extended to any user-specified application that is controlled by an init script per UNIX System V (SysV) standards.

When using the High Availability Add-On, a highly available service can fail over from one node to another with no apparent interruption to cluster clients. The High Availability Add-On also ensures absolute data integrity when one cluster node takes over control of a service from another cluster node. It achieves this by promptly evicting nodes from the cluster that are deemed to be faulty using a method called "fencing" that prevents data corruption. The High Availability Add-On supports several types of fencing, including both power- and storage area network (SAN) -based fencing.

Technical Specifications
Specifications are provided by the manufacturer. Refer to the manufacturer for an explanation of the print speed and other ratings.
General
Category: Networking applications
Installation Type: Locally installed
Subcategory: Network - clustering / high-availability software

Header
Brand: Red Hat
Compatibility: Unix
Manufacturer: Red Hat
Model: Site Subscription
Packaged Quantity: 1
Product Line: Red Hat High-Availability Add-On

Licensing
License Pricing: Academic

Service
Support Details Full Contract Period: 1 year

Service & Support
Type: New releases update

Service & Support Details
Service Type: New releases update

Software
License Category: Maintenance
License Qty: 1 full time equivalent
License Type: Subscription
License Validation Period: 1 year

System Requirements
Platform: Linux

Product Reviews
 
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2/20/2017 6:51:05 PM
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