Solid state disks
storage news
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Hard disk drives Solid state disks storage news |
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Megabyte's Storage Dictionary - RAID to ROCI hope you find this glossary useful. Even I get confused sometimes by the new words that vendors throw at me. |
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Squeak! - the Solid
State Disks Buyers Guide article:- a Short History of Disk to Disk Backup Squeak! - the Fastest Growing Storage Companies article:-the Future of High Speed HDDs Doesn't Lie in 20K RPM RAID controllers, RAID systems, RAM, RAM-based SSDs Record breaking storage, Recovery, Reliability, Removable disk drives | |||
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| Acronym (click for useage) | Description | Related info |
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| RAID | Redundant Array of Inexpensive Disks. In the
1980's when this term was originated, by IBM, you could buy 2 types of disk
drives, either low cost drives such as used in the average PC, or high speed
high performance drives as used in digital video effects systems or mainframes.
Because of the larger market for PC disks, they eventually became the technology
drivers and effectively killed off the higher cost alternatives. However the
original concept remains valid. You can create a disk array which looks
electronically just like a bigger ordinary disk, by attaching a bunch of disks
working in parallel and connected to a RAID controller interface. The combined system can be programmed to provide desirable characteristics such as faster data throughput (for example a 4 disk wide system could have a data throughput capability 4 times faster than a single disk). RAID can also provide fault tolerance, because redundant disks can be added into the array and the data split up in such a way that there is no loss of performance or data ability if any single disk fails. However, RAID doesn't speed up access time, which is why some applications also use solid state disks. article:- SATA Raids the Datacenter article:- A Storage Architecture Guide article:- RAIDn - How Does it Compare? article:- RAID Levels Outlive Their Usefulness article:- Realities of RAID: Data Loss Still Exists Squeak! - Which RAID Manufacturers will Survive? article:- 10 Ten Tips for a Successful RAID Implementation article:- Using Solid State Disks to Boost Legacy RAID Performance |
RAID controller cards, RAID systems |
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| RAIGE | RAID Across Independent Gigabit Ethernet) is a creation of Pivot3 although some of concepts sound similar to how Google implements its internal storage infrastructure. | |
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| RAIN | Redundant Array of Independent Nodes is an Adaptec creation | |
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| RDMA | Remote Direct Memory Access (over over TCP/IP,
Ethernet and other networks). RDMA technology enables high-performance server
clustering and eliminates the burden of excessive memory copies when
communicating between servers. ...from a press elease by Neterion |
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| RLDRAM | Reduced Latency DRAM. Designed specifically for
use in high-speed networking and fast cache applications, RLDRAM is an
ultra-high speed Double Data Rate (DDR) SDRAM that combines fast, random access
with extremely high bandwidth and high density. ...from a featured press release by Infineon Technologies |
RAM |
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| ROC | RAID on Chip | storage chips |
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