OpenSSI is a single-system imageclustering solution for Linux. Single-system image or SSI is when the Operating System maintains its state as a single copy of data in memory. ... Linux Cluster at Purdue University. ... Linux refers to any Unix-like computer operating system which uses the Linux kernel. ...
The OpenSSI project leverages both HP's NonStop clusters for Unixware technology and other open source technology to provide a full, highly available SSI environment for Linux. Goals for OpenSSI Clusters include availability, scalability and manageability, built from standard servers. Technology pieces include membership, single root and single init, cluster filesystems and a distributed lock manager, single process space and process migration, load balancing, load leveling, single and shared IPC space, device space and networking space, and single management space. To meet Wikipedias quality standards, this article may require cleanup. ... UnixWare is a flavor of the Unix operating system. ... Open source refers to projects that are open to the public and which draw on other projects that are freely available to the general public. ... High-availability clusters (also known as HA Clusters) are computer clusters that are implemented primarily for the purpose of improving the availability of services which the cluster provides. ... // In telecommunications and software engineering, scalability is a desirable property of a system, a network or a process, which indicates its ability to either handle growing amounts of work in a graceful manner, or to be readily enlarged. ... A distributed lock manager (DLM) provides distributed applications with a means to synchronize their accesses to shared resources. ... It has been suggested that Load balancer be merged into this article or section. ...
The OpenSSI Clustering project leverages the Cluster Infrastructure (CI) for Linux project.
OpenSSI, as the name suggests, is a yet another single-system image clustering product.
A distribution on the first node of the cluster is installed, and after a successful setup of OpenSSI on the first node, any additional nodes are added to the cluster by network booting the new node.
OpenSSI's most notable limitation is the number of nodes supported per cluster, which is 125.
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