null Definitions
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V
What is a virtual storage area network (VSAN)? How it works, benefits and use cases
A virtual storage area network (VSAN) is a logical partition in a physical storage area network, or SAN.
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What is virtual memory?
Virtual memory is a memory management technique where secondary memory can be used as if it were a part of the main memory.
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W
What is wear leveling?
Wear leveling is a process that is designed to extend the life of solid-state storage devices.
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World Wide Name (WWN)
A World Wide Name (WWN) is a unique identifier that is hard-coded into each Fibre Channel (FC) device by the device's manufacturer.
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WORM (write once, read many)
In computer media, write once, read many, or WORM, is a data storage technology that allows data to be written to a storage medium a single time and prevents the data from being erased or modified.
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write amplification factor (WAF)
Write amplification factor (WAF) is a numerical value that represents the amount of data a solid-state drive (SSD) controller writes in relation to the amount of data that the host's flash controller writes.
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write endurance
Write endurance is the number of program/erase (P/E) cycles that can be applied to a block of flash memory before the storage media becomes unreliable.
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Y
yottabyte (YB)
A yottabyte (YB) is a measure of theoretical storage capacity and data volumes equal to 2 to the 80th power bytes, or approximately a million trillion megabytes (MB).
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Z
What is a zettabyte (ZB)?
A zettabyte (ZB) is a unit of measurement used by technology professionals and the general public to describe a computer's or other device's storage capacity.