SD Definition
Stands for "Secure Digital." SD is a type of memory card used to store data in portable electronic devices. Examples include digital cameras, video recorders, smartphones, and portable music players. SD cards are considered removable storage (instead of internal or external storage), since they can be inserted and removed from a compatible device.
The first SD cards were introduced in 1999. They used almost the same form factor as the existing MultiMediaCard (MMC) format, b...
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SSD Caching
Automated Tiered Storage Definition
Automated Tiered Storage Definition
Automated tiered storage (also automated storage tiering) is the automated progression or demotion of data across different tiers (types) of storage devices and media. The movement of data takes place in an automated way with the help of a software or embedded firmware and is assigned to the related media according to performance and capacity requirements. More advanced implementations include the ability to define rules and policies that dictate if and w...
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