S.M.A.R.T.(Self-Monitoring, Analysis and Reporting Technology)
A built-in drive health system that reports metrics and early warning signs of failure.
Tools like smartctl (smartmontools) read S.M.A.R.T. attributes such as reallocated sectors and read errors. Schedule short and long self-tests, and act on rising error counts before a drive fails completely.
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HDD(Hard Disk Drive)
A spinning magnetic drive offering large capacity at a low price per terabyte.
SSD(Solid-State Drive)
Flash-based storage with no moving parts, far faster and quieter than a hard drive.
NAS(Network-Attached Storage)
A dedicated storage device connected to your network that lets multiple devices store and access files centrally.
RAID(Redundant Array of Independent Disks)
A method of combining multiple drives so they act as one, improving performance and/or protecting against drive failure.