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Topic: Solid state disk


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In the News (Wed 23 Dec 09)

  
  Solid state disk - Wikipedia, the free encyclopedia
Solid state disk (SSD, also called solid state drive) is a data storage device that uses memory chips, such as SDRAMs, to store data, instead of the spinning platters found in conventional hard disk drives.
The first, SSDs based on fast, volatile memory such as SDRAM, are categorized by extremely fast data access, less than 0.01 milliseconds (over 250 times faster than the fastest hard drives in 2004) and are used primarily to accelerate applications that would otherwise be held back by the latency of disk drives.
To avoid confusion with the first type, these disks are generally referred to as "flash disks." Occasionally, the term is used to include keydrives, since they are technically solid-state and RAM-based.
en.wikipedia.org /wiki/Solid_state_disk   (573 words)

  
 Solid state - Wikipedia, the free encyclopedia
Solid state devices are data storage device components that uses memory chips, such as SDRAMs, to store data.
Solid State Records is a division of Tooth and Nail Records
Solid state (electronics) circuits are circuits that do not contain vacuum tubes or, more currently, no moving parts.
en.wikipedia.org /wiki/Solid_state   (139 words)

  
 Texas Memory Systems - What is a Solid State Disk?   (Site not responding. Last check: 2007-10-13)
Solid state disks solve the problem of physical constraints by replacing hard disk drives with high speed circuitry.
Solid state disks allow storage to catch up with the rest of the computing world.
The solution to this is surprisingly simple: solid state disks includes backup batteries and backup hard disk drives so that any data written to the DDR RAM can be mirrored to or backed-up onto these drives.
www.superssd.com /whatisassd.htm   (524 words)

  
 Disk module of solid state - Patent 6907486
A disk module of solid state is comprised of a IDE interface, a flash memory controller, a power source, and a flash memory array.
The solid state disk module according to claim 1, wherein the flash memory controller is a single chip controller.
The solid state disk module according to claim 1, wherein the IDE interface is electrically connected to the circuit board.
www.freepatentsonline.com /6907486.html   (1745 words)

  
 solid state disk fibre channel solid state storage ram disk
disk array system which is constructed of solid state disks.
Solid State Disks act like standard disk drives but are use RAM as the storage medium.
solid state disks as the initial storage medium but back it up on to standard drives as well.
www.iodomain.com /sss.htm   (342 words)

  
 Mass Storage News : Solid State Disk (SSD)   (Site not responding. Last check: 2007-10-13)
SSD is a disk whose storage capability is provided by solid-state random access memory rather than magnetic or optical media.
A solid state disk generally offers very high access performance compared to that of rotating magnetic disks, because it eliminates mechanical seek and rotation time.
A solid state disk include some mechanism such as battery backup or magnetic backing store that allows its operating environment to treat it as non-volatile storage.
www.massstoragenews.com /Solid_State_Disk__SSD.635.0.html   (127 words)

  
 The Deliverator - Wannabee » Solid State Disk Availability?
Solid state disks are really nothing new, but Samsung is a big enough player to bring enough of these to market to make them a viable alternative to magnetic hard disks in the consumer segment.
Their devices seem offer the level of robustness I am looking for, incorporating wear leveling, dynamic bad block reassignment, etc. They warrant their solid state disks for 8 years of use (3 years longer than any hard disk manufacturer), so it seems they are willing to stand beside their specs.
I would still likely take some measures to try and minimize writes to the disk, but it seems like their technology would be viable for my uses.
deliverator.silverfir.net /index.php?p=169   (396 words)

  
 Halfbakery: Solid State Disk Drives
The crucial thing that a solid state disk drive can bring to your computer is a probable doubling (or tripling, or more) of the lifespan of your hard disk.
BUT, the disk is coated with Teflon (or better), and the heads are designed so that some minimal disk speed is associated with airflow such that the heads aerodynamically lift from the surface.
Well, solid state storage has been part of my vision for a new type of computer for a long time, but is still way too expensive.
www.halfbakery.com /idea/Solid_20State_20Disk_20Drives   (3892 words)

  
 Definition of Disk drive
Disk storage is a group of data storage mechanisms for computers; data is transferred to planar surfaces or disks for temporary or permanent storage.
The random-access, low-density storage of disks has historically been complemented by the sequential-access high density storage provided by magnetic tape.
Vigorous innovation in disk storage technology, coupled with less vigorous innovation in tape storage, has reduced the density and cost per bit gap between disk and tape, reducing the importance of tape as a complement to disk.
www.wordiq.com /definition/Disk_drive   (566 words)

  
 Solid State Disk (SSD) Frequently Asked Questions (FAQ)   (Site not responding. Last check: 2007-10-13)
Solid-state disk emulators can be either volatile or non-volatile, meaning that they are able to retain data when the system is turned off.
Solid-state disk emulators that are designed with an integrated backup system are non-volatile storage devices; if a power outage occurs, the user's data is protected by the backup system and will not be lost.
It is plug-and-play because it emulates a rotating disk.
alumnus.caltech.edu /~rdv/comp-arch-storage/FAQ-1.8.html   (378 words)

  
 Solid State Disk I/O Accelerator > DSI3250 : DSI2100   (Site not responding. Last check: 2007-10-13)
Bringing storage devices into the 'Digital Age', solid state disk technology removes the I/O bottleneck by replacing hard disk drives with high speed circuitry.
Instead of a rotating disk, a solid state disk uses memory chips (typically SDRAM) to read and write data, resulting in full utilization of existing processors and bandwidth.
The primary storage media is the DDR (Double Data Rate Memory), with three independent disk drives providing secondary storage as well as optional data mirroring (active backup).
www.dynamicsolutions.com /disk_sys_ssd.htm   (721 words)

  
 Encyclopedia of Laser Physics and Technology - solid state lasers, diode-pumped and lamp-pumped, DPSS laser
Solid state lasers are lasers based on solid state gain media such as crystals or glasses doped with rare-earth or transition-metal ions, or semiconductor lasers.
Solid state lasers may generate output powers between a few milliwatts and (in high power versions) several kilowatts.
Fiber lasers are a special kind of solid state lasers, with a high potential for high average output power, high power efficiency, good beam quality, and broad wavelength tunability.
www.rp-photonics.com /solid_state_lasers.html   (681 words)

  
 Going Solid oracle solid state disk tuning SSD
Of course the removal of disk rotational and arm latencies is just one of the things that solid state drives bring to the table, the other is access to your data at near-memory speeds.
What solid state drives mean to an application is that if your application is currently suffering from IO problems some if not all of them are relieved.
Of course we don't remove the IO waits by using SSD, their duration is simply reduced to the point they are not a big factor anymore.
www.dba-oracle.com /oracle_tips_ault_going_solid.htm   (650 words)

  
 What is solid state disk? - A Word Definition From the Webopedia Computer Dictionary
Abbreviated SSD, a solid state disk is a high-performance plug-and-play storage device that contains no moving parts.
SSD components include either DRAM or EEPROM memory boards, a memory bus board, a CPU, and a battery card.
SSDs are most effective for server applications and server systems, where I/O response time is crucial.
www.webopedia.com /TERM/S/solid_state_disk.html   (335 words)

  
 solid state disk Definition   (Site not responding. Last check: 2007-10-13)
Used in battery-powered handheld devices as well as desktop computers and servers, solid state disks (SSDs) are faster than regular disks because there is zero latency (there is no read/write head to move).
Most solid state disks use non-volatile flash memory; however, some use volatile DRAM or SRAM memory backed up by a disk drive or UPS system in case of power failure, all of which are part of the SSD system.
Also called an "electronic disk," a solid state disk emulates the sector format of a disk drive and is generally a plug-for-plug replacement for it.
www.pcmag.com /encyclopedia_term/0,2542,t=SSD&i=51726,00.asp   (590 words)

  
 Solid State Disks - introduction & FAQ's- white paper - in the SPARC Product Directory
Curtis Solid State drives have broken the price barriers, allowing users of low to midrange servers and smaller departmental workgroups and businesses to apply the technology to their applications.
SSD data transfer rates are not limited by the speed data can be transferred off a mechanical medium on a standard disk drive, which is approximately 12-22MB/sec (newest drives) in state of the art mechanical drives.
Competitive SSDs with slower Fast-20 and Ultra 40MB/sec bus bandwidths will pay a significant performance penalty, because data can be moved from the SSD to the Host system two to four times faster with Curtis Ultra2-80MB/sec SCSI interface.
www.sparcproductdirectory.com /curtisart.html   (2477 words)

  
 Solid State Disk I/O Accelerator > DSI3250 : DSI2100
Uncompromised SDRAM data integrity is maintained through both battery backup and redundant disk drives, so your data is always protected on solid state disk.
The DSI1200, DSI's entry level solid state disk, is small- small in size, small in price, and ideal for accelerating the small capacity database, database log or email queue.
The primary storage media is the DDR (Double Data Rate Memory), with four independent disk drives providing secondary storage as well as optional data mirroring (active backup).
www.dynamicsolutions.com /disk_sys_ssd.asp   (953 words)

  
 Solid Disk All Paramount Scoops You Would Wish For Next Solid Disk   (Site not responding. Last check: 2007-10-13)
Disk Text Savior is a software tool to "draw out" the important text information from a bad floppy Disk and save it.it is power and easily use it.it can resume a bad floppy Disk that can't be resumed with another famous disk tools.
A disk drive unit includes a spindle motor, which has a pivot and a substantially cylindrical hub which is rotatably supported on the pivot and constitutes a rotor.
A disk is fitted coaxially on the hub, and an annular clamp member holding the disk is fitted on an end portion...
soliddisk.ileadisk.com   (1649 words)

  
 Unisys Storage - Solid State Disk   (Site not responding. Last check: 2007-10-13)
Solid State Disk products from Dynamic Solutions International (DSI) provide the easiest and fastest way of removing I/O bottlenecks and increasing system performance.
Utilizing a DRAM architecture for storage rather than traditional magnetic disks, these high-performance solid state disk devices are capable of delivering data of up to 3 GB/s!
With no latencies associcated with head positioning or seek times, the resulting read/write operations are hundres of times faster than conventional rotating disks.
www.unisys.com /products/storage/solid__state__disk.htm   (72 words)

  
 Disk Solid State - Compare Prices, Reviews and Buy at NexTag - Price - Review
Dialogic ss7 siu solid state disk true data is a trained and certified dialogic/in...
Dialogic ss7 dsc210 spare solid state disk true data is a trained and certified di...
The initial Solid State compilation, released in 1999, includes some of the greatest tunes of the year, from bands such as Zao, Embodyment, Extol, Strongarm, Blindside, and many...
www.nextag.com /disk-solid-state/search-html   (216 words)

  
 FreeBSD and Solid State Devices
Account must be taken, however, for the generally low disk space available in the system and the durability of the storage medium.
Flash memory is a solid state memory (no moving parts) that is non-volatile (the memory maintains data even after all power sources have been disconnected).
Other solid state disk solutions do exist, but their expense, obscurity, and relative unease of use places them beyond the scope of this article.
www.freebsd.org /doc/en_US.ISO8859-1/articles/solid-state   (553 words)

  
 Oracle Solid-State Disk RAM SAN
High-speed solid-state disk (SSD) is revolutionizing Oracle databases with the first solid-state Oracle databases.
The RamSan-400 by Texas Memory Systems is the industry’s first solid state disk with 4-gigabit Fibre Channel interfaces and is currently the only storage device that can sustain 3 gigabytes/second of random data transfers or a half-million random I/Os per second.
Oracle expert, Don Burleson, expects this new solid state disk to be the "fastest high-speed I/O device for Oracle databases, anywhere on the planet.
www.dba-oracle.com /t_solid_state_disk_ram_ssd.htm   (275 words)

  
 E-Disk Solid State Flash Disk Technology Center
Consequently, data storage is growing at an exponential rate as companies of all sizes, across all industries and geographies, realize the value of data and the importance of maintaining and protecting it.
The patented FlashBus™ technology that drives the E-Disk solid state hard drive was conceived when the company's innovative founders, the Bruce brothers, identified a means to support high-speed data transactions with storage devices that would enable mobile computing in a wide variety of environments.
The Flash Disk solid state E-Disk SSD offers unmatched performance, data availability, and reliability across a spectrum of platforms from entry-level systems to super computers.
www.e-disk.com /about.html   (387 words)

  
 IT Software Programming Networking - 400MB Entry Level Solid State Disk
RamSan-120 is the first solid state disk with RAID-protected DDR RAM as the primary storage media.
"Solid state disks are used for speed so we wanted to deliver a very fast and reliable entry-level system that would fit within the needs and budgets of more organizations," said Woody Hutsell, Executive Vice President at Texas Memory Systems.
Their RamSan line of solid state storage is used to accelerate enterprise applications like OLTP databases, batch processes, and data warehouses, modeling and video editing up to 25-times.
press.xtvworld.com /modules.php?name=News&file=article&sid=3474   (694 words)

  
 Pioneer Hi-Bred's Solid State Disk
The immediate and dramatic boost of the ESE20 solid state disk to Pioneer's overall VAXcluster performance is a story that offers important precedents for all types of Digital VAXcluster computing.
The ESE20 solid state disk also freed up 4 RA82 magnetic disks that were previously required for system disk shadowing, allowing them to be used as additional storage capacity.
When Digital introduced the fast access time ESE20 solid state disk in mid-1989, Pioneer was one of the first customers to buy one.
www.antill.com /keith/story/hibred.htm   (1233 words)

  
 - Solid-state Disk Drive
The V6SSD boosts the performance of disk-bound applications, such as data bases and analysis packages, by reducing data access times to a fraction of conventional disk drives.
This 6U VME board is a direct replacement for a SCSI disk drive.
By eliminating all moving parts, it is an ideal alternative to hard disk drives for inhospitable environments due to temperature, vibration, G-forces and dust.
www.cacdsp.com /products/v6ssd.html   (72 words)

  
 PC104 Solid State Disk - PCM-SSD
The card allows a user to substitute onboard semiconductor devices in applications where the environment is too harsh for mechanical hard disks or floppy disk drives, plus it has significant speed advantages.
Up to 8 boards can be mapped at the same port block to provide up to 16MB of solid state storage.
An additional 16MB SSD drive can be mapped to the alternate I/O port map if more storage is required.
pc104.winsystems.com /products/pc104/pcmssd.html   (810 words)

  
 EZ51 Solid State Disk
The EZ5x family of Solid State Disks (SSDs) extended the power and performance of the technology to encompass SCSI-based systems.
SSDs used the speed of DRAMS (the storage media) to provide the fastest access to storage subsystem data by eliminating the latency inherent with magnetic disk.
Offering an access time of less than 1ms, EZ5x Solid State Disks maximized systems utilization by balancing the power of the processor with high performance I/O.
research.microsoft.com /Users/gbell/Digital/timeline/1991-6.htm   (72 words)

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