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RAID Jargon - 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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high availability
SSDs flash SSD Jargon Explained how fast can your SSD run backwards? Decloaking hidden segments in the enterprise for rackmount SSDs compared to EMC - reality checks and delusions in the AFA market controllernomics and risk reward ratios when tiering flash in DIMMs as RAM | |||
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| Acronym (click for examples) | Description | Related info |
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| DVRAID | Digital Video RAID is a proprietary RAID technology from ATTO Technology that is "optimized for digital content creation environments that require protection in the event of a disk failure without the performance penalty traditionally seen with parity RAID." | SSDs in IPTV, movie creation and tv |
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| MAID | MAID (Massive Array of Idle Disks) is a whimsical term from COPAN Systems used for disk to disk backup systems. | how the backup market moved from tape to disk - timeline of key events |
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| RAIC | RAIC - redundant array of independent chips - was coined in the 1990s by Solid Data Systems | SSD history |
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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. SATA Raids the Datacenter A Storage Architecture Guide RAIDn - How Does it Compare? RAID Levels Outlive Their Usefulness Realities of RAID: Data Loss Still Exists Which RAID Manufacturers will Survive? 10 Ten Tips for a Successful RAID Implementation 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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| RAISE | Redundant Array of Independent Silicon Elements is a term invented by SandForce. Their SSD controller uses this protection scheme inside 1.8" and 2.5" SSDs. | |
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| ROC | RAID on Chip | storage chips |
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