Symantec 5 Manual Do Utilizador
Introducing Veritas Cluster
Server
Server
This chapter includes the following topics:
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About Veritas Cluster Server
Veritas™ Cluster Server by Symantec is a high-availability solution for cluster
configurations. Veritas Cluster Server (VCS) monitors systems and application
services, and restarts services when hardware or software fails.
configurations. Veritas Cluster Server (VCS) monitors systems and application
services, and restarts services when hardware or software fails.
About VCS basics
A single VCS cluster consists of multiple systems that are connected in various
combinations to shared storage devices. When a system is part of a VCS cluster,
it is a node. VCS monitors and controls applications running in the cluster on
nodes, and restarts applications in response to a variety of hardware or software
faults.
combinations to shared storage devices. When a system is part of a VCS cluster,
it is a node. VCS monitors and controls applications running in the cluster on
nodes, and restarts applications in response to a variety of hardware or software
faults.
Applications can continue to operate with little or no downtime. In some cases,
such as NFS, this continuation is transparent to high-level applications and users.
In other cases, a user might have to retry an operation, such as a Web server
reloading a page.
such as NFS, this continuation is transparent to high-level applications and users.
In other cases, a user might have to retry an operation, such as a Web server
reloading a page.
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