Historically, IT administrators have provisioned new servers with every new application, resulting in a large number of servers with utilization rates of 10 to 15 percent or less, commonly known as server sprawl. Server sprawl is responsible for a range of costs, including infrastructure, hardware, software, and management costs. So why hasn’t hardware virtualization solved your server sprawl issues yet?
when a VE is migrated between servers, all required templates are automatically copied. Consolidated Patching and Updating With a single OS or application instance, patches are applied only once per physical machine, regardless of the number of VEs on the machine. vzcache vzcache is a system tool that scans VEs to detect and merge identical iles. Often external patch management or update software will break links to templates and create duplicate iles in the virtual environments, vzcache searches and