Reads and writes on unmanaged physical disks can be a slow process.
Disk arrays and multipathed disk arrays can improve I/O speed and throughput.
Disk array: A collection of physical disks used to balance I/O across multiple disks
Multipathed disk array: Provides multiple ports to access disks to achieve performance and availability benefits
Note: Throughout this course, the term “disk” is used to mean either disk or LUN. Whatever the OS sees as a storage device, VxVM sees as a disk.
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