Smart Response Technology
Encyclopedia
In computing
Computing
Computing is usually defined as the activity of using and improving computer hardware and software. It is the computer-specific part of information technology...

, Smart Response Technology (SRT) (pre-launch name SSD Caching) is a proprietary caching mechanism
Cache
In computer engineering, a cache is a component that transparently stores data so that future requests for that data can be served faster. The data that is stored within a cache might be values that have been computed earlier or duplicates of original values that are stored elsewhere...

 introduced in 2011 by Intel for their Z68 chipset (for the Sandy Bridge
Sandy Bridge
Sandy Bridge is the codename for a microarchitecture developed by Intel beginning in 2005 for central processing units in computers to replace the Nehalem microarchitecture...

–series processors), which allows a SATA
Sata
Sata is a traditional dish from the Malaysian state of Terengganu, consisting of spiced fish meat wrapped in banana leaves and cooked on a grill.It is a type of Malaysian fish cake, or otak-otak...

 solid-state drive
Solid-state drive
A solid-state drive , sometimes called a solid-state disk or electronic disk, is a data storage device that uses solid-state memory to store persistent data with the intention of providing access in the same manner of a traditional block i/o hard disk drive...

 (SSD) to function as cache for a (conventional, magnetic) hard disk drive.

SRT is implemented in the device driver
Device driver
In computing, a device driver or software driver is a computer program allowing higher-level computer programs to interact with a hardware device....

 and firmware
Firmware
In electronic systems and computing, firmware is a term often used to denote the fixed, usually rather small, programs and/or data structures that internally control various electronic devices...

 (option ROM
Option ROM
An Option ROM typically consists of firmware that is called by the system BIOS. For example, an adapter card that controls a boot device might contain firmware that is used to connect the device to the system once the Option ROM is loaded....

) that ships with the Z68 motherboard
Motherboard
In personal computers, a motherboard is the central printed circuit board in many modern computers and holds many of the crucial components of the system, providing connectors for other peripherals. The motherboard is sometimes alternatively known as the mainboard, system board, or, on Apple...

s. It is available only when the (integrated) disk controller is configured in RAID
RAID
RAID is a storage technology that combines multiple disk drive components into a logical unit...

 mode (but not AHCI or IDE modes). Write-back or write-through caching strategy can be selected by the user. The maximum utilizable cache size on the SSD is 64 GB. Caching is done at the logical block addressing
Logical block addressing
Logical block addressing is a common scheme used for specifying the location of blocks of data stored on computer storage devices, generally secondary storage systems such as hard disks....

 (LBA) level, not the file level.

Shortly before the announcement of the new chipset, Intel also introduced the Intel 311 (Larson Creek), a 20 GB single-level cell (SLC) solid-state drive, which it markets as suitable for caching.

See also

  • High-performance hybrid array
    High-performance hybrid array
    An hybrid array uses a data storage architecture approach that is designed to provide IT data centers and cloud computing data centers with high storage performance at a lower cost per I/O, by combining hard disk drives with solid-state drives using intelligent SSD caching software.- Summary...

  • Hybrid drive
    Hybrid drive
    A Hybrid Drive, Hybrid Hard Drive , or Hybrid Hard Disk Drive is a type of large-buffer computer hard disk drive. It is different from standard hard drives in that it integrates a cache using non-volatile memory or even a small solid-state drive...

  • Intel Turbo Memory
  • Microsoft ReadyBoost
    ReadyBoost
    ReadyBoost is a disk cache component of Microsoft Windows, first introduced with Microsoft's Windows Vista in 2006 and bundled with Windows 7 in 2009...

  • Intel Rapid Storage Technology
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK