Containerize storage software kernel modules in Kubernetes

This presentation aims to describe how to manage containerized software-define-storage software having kernel module through combination of Special Resource Operator and custom Operator. A container is a standard unit of software that packages the code and all its dependencies, so that the software can run on any computing environment. Containers are very lightweight compared to Virtual Machines as they share the same OS kernel. Many container orchestration platforms like RedHat Openshift mandate that every software be run as a container. There are no software installation tools available and file systems on root disks are ReadOnly, and so that no software can be installed on the host. Expectation is that software's lifecycle like deployment, upgrades etc. would be managed through Operator. An Operator is a method of packaging, deploying, and managing container applications – basic install, upgrades, failure recovery etc. Many software’s which consist of kernel modules are not shipped by default with the standard Operating Systems. These kernel modules are required for proper and performant functioning of special hardware like disk devices, HBA cards, software defined storage etc. This proposal discusses the use of two Operators – Special Resource Operator (SRO) and Custom Operator (CO) to seamlessly manage deployment, carry out software rolling upgrade and kernel/OS rolling upgrade when dealing with storage software having kernel modules. Presented by Apurv Barve, Senior Principal Software Engineer, Veritas, Reena Kabra, Principal Software Engineer, Veritas, Prashant Bhople, Senior Software Engineer, Veritas Learn More: SDC India Website: https://snia.org/sdcindia SNIA India Website: https://snia.org/india SNIA Educational Library: https://snia.org/library Twitter: https://twitter.com/SNIA_India

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