storage


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storage

1. a charge made for storing
2. Computing
a. the act or process of storing information in a computer memory or on a magnetic tape, disk, etc.
b. (as modifier): a storage device

storage

[′stȯr·ij]
(computer science)
Any device that can accept, retain, and read back one or more times; the means of storing data may be chemical, electrical, magnetic, mechanical, or sonic.

storage

(storage)
(Or "memory") A device into which data can be entered, in which they can be held, and from which they can be retrieved at a later time.

storage

The permanent holding place for digital data, until purposely erased. Storage is a repository that retains its content without power and includes magnetic disks, solid state drives (SSDs) and flash drives. The chips in these devices are said to be "non-volatile." Rewritable CD, DVD and Blu-ray discs, as well as magnetic tapes, are also non-volatile storage.

Storage specifically excludes the computer's main memory. Main memory, comprised of DRAM and SRAM chips, is a temporary workspace for executing instructions and processing data. These RAM chips do not hold their content when the power is turned off. Memory chips are "volatile."

Storage vs. Memory - More Confusing All the Time
Over the years, some vendors referred to disks and tapes as "memory" products, which blurs the distinction between storage and memory (RAM). To further confuse things, the flash "memory" chips in memory cards, solid state drives (SSDs) and USB drives are, in fact, storage chips that hold their content without power. See storage vs. memory, memory, dynamic RAM and static RAM. For summaries of all storage technologies, see magnetic disk, magnetic tape and optical disc.


They're All Chips, But...
The RAM chips (top) and the storage chips (bottom) in a USB drive and CompactFlash card (cases are removed) may look alike, but RAM chips are fast and volatile, while storage chips are slower and non-volatile. See memory module, USB drive and CompactFlash.







Storage Evolution
In the early 1990s, this 670MB multi-platter hard drive weighed 17 pounds including its case. By 2006, a half-ounce Microdrive (center) had 12 times as much storage on a single platter the size of a quarter. The solid state microSD card (right) weighs half a gram. See hard disk and Microdrive.
References in periodicals archive ?
Affordability means that the cost for a particular digital storage technology is within currently available and continuing financial resources.
Though SMS was definitely not an end-to-end storage management architecture, SMS represented the most comprehensive achievement in storage management software to date and it became a mainframe standard for storage management after nearly 10 years of evolution.
The SXP 36x3G and SXP 24x3G SAS expanders offer increased system performance, higher capacity, scalability and lower bill of material costs with an embedded MIPS-Powered storage enclosure processor, complete with a SCSI Enclosure Services (SES) software development kit (SDK).
With the intelligent switch in place, storage virtualization applications can now offload the address translation and associated work to the intelligent switches; the storage application gets involved only on an as-needed basis for e.g.
"There remains a need for very high performance storage systems to support storage consolidation.
Network-attached storage (NAS) has been an important part of mid-tier SMB for years now, and the growing acceptance of iSCSI SANs (storage area network) is key to SMB data protection.
The software running on the CSM is based upon the IBM TotalStorage SAN Volume Controller Software, which was delivered earlier this year as an appliance operating on modified IBM eServer xSeries servers in the Storage Area Network (SAN) fabric.
It also ensures proper order of SCSI commands and data to and from the server file system to the iSCSI storage target.
The Cisco MDS 9000 Family of Multi-layer Switches, available to customers through IBM and IBM Business Partners, now includes the Cisco MDS 9000 IP Storage Services Module, the Cisco MDS 9509 and 9506 Multilayer Directors, Cisco MDS 9216 Multilayer Fabric Switch, the Cisco MDS 9000 Port Analyzer Adapter (for analysis of Fibre Channel traffic on the network." IBM also offers the Cisco CWDM Extended Distance Solution which implements Coarse Wave Division Multiplexing (CWDM) Small Form Factor (SFP) interfaces for cost-effective optical connectivity.
With storage needs growing, innovation in storage end-applications lagging and customers feeling the economic pinch of proprietary and codependent server/storage architectures, a bright idea emerged: Why not challenge the longstanding and seemingly immutable symbiosis between storage and computing?
Softek Storage Manager 2.1 is a key component of Softek Automated Storage, the company's long-term strategy of associating storage resources to business applications by automating workflows and integrating the storage services (people, processes and tools) to visualize, provision and protect data storage.
Surprisingly, many small businesses are not interested in utility storage. They have a low number of servers and small IT departments.