VERITAS_VCS_学习文档

VERITAS简介VERITAS公司于1982年成立于加利福尼亚州的Mountain View 作为企业级应用存储管理软件的领先提供商，专门提供集成的跨平台存储管理软件解决方案。 VERITAS Software公司是应用存储管理的事实标准，世界领先的服务器和操作系统中有60%使用它的软件。 4 2013-8-21

VERITAS_VCS_学习文档

VERITAS简介——服务

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VERITAS_VCS_学习文档

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VERITAS_VCS_学习文档

基本概念

VEITAS CLUSTER SYSTEM VERITAS Cluster Server enables you to monitor systems and application services, and to restart services on a different system when hardware or software fails.

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VERITAS_VCS_学习文档

基本概念

Cluster A VCS cluster consists of multiple systems connected in various combinations to shared storage devices.

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VERITAS_VCS_学习文档

基本概念

Resources Resources are hardware or software entities, such as disks, network interface cards (NICs), IP addresses, applications, and databases, that are brought online, taken offline,or monitored by VCS.”

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VERITAS_VCS_学习文档

基本概念

Service Group A service group is a collection of resources working together to provide application services to clients.

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VERITAS_VCS_学习文档

基本概念

Resource Dependencies when a service group is brought online or taken offline, the resource dependencies within the group specify the order in which the resources will be brought online and taken offline.

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VERITAS_VCS_学习文档

基本概念

Types of Service Groups In VCS there are two categories of service groups: failover and parallel. A failover group runs on one system in the cluster at a time. A parallel group runs concurrently on more than one system at a time.

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VERITAS_VCS_学习文档

基本概念

Agents An agent is an installed program designed to control a particular resource type.

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VERITAS_VCS_学习文档

基本概念Cluster Communications Cluster communications ensure VCS is continuously aware of the status of each system’s service groups and resources, and enable VCS to recognize which systems are active members of the cluster, which are joining or leaving, and which have failed. 14 2013-8-21

VERITAS_VCS_学习文档

基本概念

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VERITAS_VCS_学习文档

基本概念GAB Group Membership Services/Atomic Broadcast The GAB protocol performs two critical functions for VCS: Monitors cluster membership. Tracks cluster state. 16 2013-8-21

VERITAS_VCS_学习文档

基本概念

Low Latency Transport (LLT) LLT provides fast, kernel-to-kernel communications, and monitors network connections.

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VERITAS_VCS_学习文档

双机系统规划Service Resource Resource Dependencies

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VERITAS_VCS_学习文档

双机系统规划__Example以CINMS为例: Service Oracle Netscape Server

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VERITAS_VCS_学习文档

双机系统规划__ExampleOracle DiskGroup OraDG Volume vol_u01~vol_u04 Float I