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Veritas Cluster Server (rebranded as Veritas Infoscale Availability [1] [2] and also known as VCS and also sold bundled in the SFHA product) is high-availability cluster software for Unix, Linux and Microsoft Windows computer systems, created by Veritas Technologies.
Virtual Cluster Switching (VCS) fabric technology is a Layer 2 proprietary Ethernet technology from Brocade Communications Systems, later acquired by Extreme Networks. [1] It is designed to improve network utilization, maximize application availability, increase scalability, and simplify the network architecture in virtualized data centers.
The Veritas Cluster File System (or VxCFS) is a cache coherent POSIX compliant shared file system built based upon VERITAS File System.It is distributed with a built-in Cluster Volume Manager (VxCVM) and components of other VERITAS Storage Foundation products - particularly VERITAS Cluster Server, VERITAS File System, and VERITAS Volume Manager.
Veritas Cluster Server; Version control system, for managing versions of software, etc. virtual camera system, interactive cameras based on artificial intelligence; Virtual Cluster Switching, networking technology; VCalendar file extension
Table Explanation. Software: The name of the application that is described; SMP aware: . basic: hard split into multiple virtual host; basic+: hard split into multiple virtual host with some minimal/incomplete communication between virtual host on the same computer
The most common size for an HA cluster is a two-node cluster, since that is the minimum required to provide redundancy, but many clusters consist of many more, sometimes dozens of nodes. The attached diagram is a good overview of a classic HA cluster, with the caveat that it does not make any mention of quorum/witness functionality (see above).
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It specializes in storage management software including the first commercial journaling file system, VxFS, VxVM, VCS, the personal/small office backup software Backup Exec and the enterprise backup software, NetBackup. Veritas Record Now was an early CD recording software.