SAN definition

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FAQ-What is SAN

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SAN
Storage area network (SAN) is a high-speed network that incorporates storage devices, network connection devices, and interfaces. SAN is a storage network for data storage. Because SAN is isolated from the LAN service network, its storage data flow will not occupy service network bandwidth. In the SAN network, all data is transmitted in a high-speed and high-bandwidth network. SAN enables direct block-level storage access to physical hardware, improving storage performance and upgrade capabilities.

Server SAN Boot
SAN Boot allows you to start a server from an external SAN storage device running the server's OS and application software. In FC-SAN networking, you can install the server OS on a storage device and set FC-SAN start on the HBA card. After the serve starts and FC HBA card check is complete, the LUNs on the storage devices can be used by the server as local hard disks.

Definition of Kafka
Kafka is a distributed, partitioned, and replicated message publishing and subscription system that provides features similar to the Java Message Service (JMS). Kafka features message persistence, high throughput, distribution, multi-client support, and real-time processing, and applies to online and offline message consumption. It is ideal for Internet service data collection scenarios, such as conventional data collection, active website tracing, aggregation of operation data in statistics systems (monitoring data), and log collection.

Definition of Tomcat
Tomcat is a free-of-charge, lightweight, open source web application server developed by Apache Software Foundation, Sun and other companies, and individuals. Gaining support from Sun, Tomcat complies with the latest Servlet and JavaServer Page (JSP) specifications. It features advanced technology, stable performance, and good scalability, and occupies a small number of system resources during running. As a result, Tomcat applies to small- and medium-sized systems and scenarios with a few concurrent users. An HTTP server embedded in Tomcat enables Tomcat to work as a web server. It provides a configuration management tool and supports XML configuration files. Tomcat is different from the Apache web server, which is an HTTP server using C language.

Definition of Flume
Flume is a distributed, highly reliable, and HA massive log aggregation system. It supports custom data transmitters for data collection. Flume also processes data roughly and writes data to customizable receivers.

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