SUSE Linux Enterprise Server 15 SP6 Virtualization Best Practices

This guide provides best practices for virtualization using SUSE Linux Enterprise Server 15 SP6. It outlines various virtualization scenarios and emphasizes the importance of proper configuration and resource allocation for VM Host Servers and VM Guests. The document stresses the necessity of backing up data before making configuration changes to prevent data loss. It recommends using the libvirt framework for managing virtualization environments and advises on the use of qemu-system-x86_64 for better performance with VM Guests. The guide also details the allocation of resources, including memory management strategies such as using huge pages to enhance performance and reduce memory consumption. Additionally, it discusses the Kernel Samepage Merging (KSM) feature for optimizing memory usage by sharing identical memory pages among VM Guests. The document serves as a comprehensive resource for administrators looking to optimize their virtualization setups in a production environment.