Veritas Cluster Server (VCS) 6 Administration

1. High Availability: Ensures continuous application availability by detecting and responding to node or application failures automatically.

2. Disaster Recovery: Facilitates disaster recovery by providing failover and failback capabilities for critical applications and services.

3. Resource Management: Manages resources such as IP addresses, file systems, and applications within the cluster to optimize availability and performance.

4. Dynamic Multi-Pathing: Optimizes I/O path selection for improved performance and reliability across multiple paths to storage devices.

Before learning Veritas Cluster Server (VCS) 6 Administration, it's beneficial to have proficiency in:

1. Operating Systems: Understanding of Unix/Linux operating systems, as Veritas Cluster Server primarily operates on these platforms.

2. Networking: Knowledge of networking concepts such as TCP/IP, subnetting, and DNS for configuring network settings within the cluster.

3. Storage: Familiarity with storage concepts, including RAID configurations, disk management, and storage area networks (SANs).

4. System Administration: Experience with system administration tasks such as user management, package installation, and system configuration.

By learning Veritas Cluster Server (VCS) 6 Administration, you gain skills in:

1. High Availability Management: Proficiency in configuring and managing high-availability clusters to ensure continuous application availability.

2. Disaster Recovery: Knowledge of disaster recovery strategies and procedures for recovering from node or application failures.

3. Resource Management: Ability to configure and manage cluster resources such as IP addresses, file systems, and applications for optimal performance and availability.

4. Monitoring and Troubleshooting: Skills in monitoring cluster health, diagnosing issues, and troubleshooting problems to maintain cluster reliability.