Understanding Logical Volume Management
Since its introduction in Solaris 10, ZFS technology has reinvented the way administrators manage all aspects of disk-based storage: allocating storage devices, creating file systems, tuning them for better combined efficiency, supporting backups of file system data, allocating disk-based resources for the system (such as swap and core dump space), and so on. Most operating systems support these tasks with tools that are not directly related to each other, but produce objects that other tools can build on. Physical disks, for example, are connected to the operating system through their device drivers. The operating system’s volume management subsystem identifies these disks as storage components and presents ...
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