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In computing, sequential access memory (SAM) is a class of data storage devices that read stored data in a sequence. This is in contrast to random access memory (RAM) where data can be accessed in any order. Sequential access devices are usually a form of magnetic storage or optical storage. [1] [2]
SAM-QFS was designed and implemented at Large Storage Systems (LSC). [3] The lead architect of SAM-QFS was Harriet Coverston, the founder and VP of Technology at LSC. [4] LSC and SAM-QFS were purchased by Sun in 2001. [5] Sun released the SAM-QFS source code to the OpenSolaris project in March 2008. [6]
A storage area network (SAN) or storage network is a computer network which provides access to consolidated, block-level data storage. SANs are primarily used to access data storage devices, such as disk arrays and tape libraries from servers so that the devices appear to the operating system as direct-attached storage .
The previously-designed SAM storage systems were enhanced by adding in a custom designed DSP board. Prior to this added DSP capability, to analyze a signal, a user would have to send the signal to the SAM storage for staging, engage a separate system to perform digital signal processing, then store the result back to the SAM system for analyzing.
While backwards compatibility was maintained, the older access methods suffered from performance problems due to the address translation required for virtual storage. The KSDS organization was designed to replace ISAM, the Indexed Sequential Access Method. Changes in disk technology had meant that searching for data in ISAM data sets had become ...
With this clever L-desk storage solution, you can maximize your space while creating a place for everything. Use the oversized desk and 6-cube storage set together or use the two pieces separately ...
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Hierarchical storage management (HSM), also known as tiered storage, [1] is a data storage and data management technique that automatically moves data between high-cost and low-cost storage media. HSM systems exist because high-speed storage devices, such as solid-state drive arrays, are more expensive (per byte stored) than slower devices ...