hard disk

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hard disk

a data storage device in which data is stored on a magnetic disk embodied in a COMPUTER. Most hard disks can store large amounts of data, such as 20 megabytes of numbers or letters.
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Supporting up to 640 MBytes of memory capacity, SST's ATA Flash Disk Controller is ideal for most embedded applications, such as thin-client systems, digital cameras, MP3 players and other digital consumer products requiring reliable and small footprint mass data storage.
You want to be able to monitor live, production activity at the disk controller and logical unit level for such things as: total I/Os (read and writes), read percentage (percentage of the total I/Os that are reads), cache hit percentage (percentage of reads found in the cache as opposed to requiring a disk access), current throughput in MB/sec, and current I/O rate per second.
The NSC55 completely revolutionizes the midrange storage market as the first product in this segment architected with a multi-processor global cache disk controller that can be accessed by any server through a non-blocking crossbar switch.
These range from IC solutions for motherboard and disk controller OEMs to an array of Ultra-ATA & SATA host adapters available through distribution from Ingram Micro and D&H.
Design engineers demonstrated a SAS link sequence that negotiated a 3Gbit/s connection between two fully integrated Hitachi GST hard disk controllers.