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Qlustar: The all-in-one Cluster Platform

Qlustar is a full-fledged Linux distribution designed for the purpose of an all-in-one Cluster Operating System. It is based on the most open Linux platform: Debian/Ubuntu. Qlustar can drive all of your clustering environments with efficiency, ease and reliability. Many innovative features make it a unique solution in the field. It is real-life proven, being the software engine for a large number of Linux HPC and Storage clusters running in industry and academia since well over a decade.

When choosing Qlustar, you can look forward to a platform that is capable of serving all compute requirements from basic infrastructure services to storage farms and high-performance computing. Easy to setup, extend, operate, monitor and update. Reliable, performant, secure, open and based on standards.

The technology behind Qlustar is constantly improved, while assuring that smooth updates allow moving to the most recent release when desired. If we are convinced, they add value to the overall solution, powerful new clustering and general Linux features are integrated as soon as they are ready for productive use.

The basis of any Qlustar system is the Qlustar Cluster OS. Depending on your use-case, you have the option to add functionality from the large portfolio of supplementary Qlustar components.

The Qlustar Platform

The Qlustar Platform

Qlustars core is a lightweight, modular Compute/Storage-Node OS kernel that is generated using a 3rd-generation image generator. The latter is designed such that OS images contain the exact minimum of programs/files needed for the desired functionality.

Qlustar OS images are modular, composed of a core needed by any compute or storage node and optional modules for additional functionality (e.g. to integrate into a particular batch queuing system or to activate support for Infiniband, parallel filesystems, High-Availability or GPU computing, etc.).

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The Qlustar Cluster OS

Qlustars core is a lightweight, modular Compute/Storage-Node OS kernel that is generated using a 3rd-generation image generator. The latter is designed such that OS images contain the exact minimum of programs/files needed for the desired functionality.

Qlustar OS images are modular, composed of a core needed by any compute or storage node and optional modules for additional functionality (e.g. to integrate into a particular batch queuing system or to activate support for Infiniband, parallel filesystems, High-Availability or GPU computing, etc.).

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Qlustar Cluster OS
Qlustar HPC Stack

The Qlustar HPC Stack

Qlustar as a whole is a complete Linux distribution based on Debian and Ubuntu. It provides it's own software repositories with 150+ additional up-to-date software packages relevant to HPC (e.g. different MPI variants in different versions for various compilers, monitoring tools, etc.).

You have the choice to restrict your cluster to run just the original, most tested versions of Qlustar software packages or to mix in some packages in the most recent versions. This mechanism is completely controllable and transparent by mixing different package repository branches.

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The Qlustar Data Stack

Fast storage is vital for most clusters these days. Qlustar supports ZFS/Lustre and BeeGFS, the most popular open-source parallel file-systems, out of the box - including high-availability. Just create an image containing the Lustre or BeeGFS module, assign it to your storage nodes, format your disk devices and you're done.

For scalable and highly available block or object storage needed by your private cloud, Qlustar provides the proven Ceph Storage System. It delivers fast access to block device images being striped and replicated across a sub-cluster of specifically assigned storage nodes.

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Qlustar Data Stack
Qlustar HA Stack

The Qlustar HA Stack

Any cluster should have a maximum utilization. Failing head or storage nodes can make it useless without a high-availability (HA) setup. With redundant hardware, Qlustar is capable to provide it's services fully protected from SPOFs (single point of failure) by setting up proven HA configurations.

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