RAID - Wikipedia, the free encyclopedia
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RAID is an acronym first defined by David A. Patterson, Garth A. Gibson, and Randy Katz at the University of California, Berkeley in 1987 to describe a redundant array of inexpensive disks , a tech...
en.wikipedia.org/wiki/RAID
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There are number of different RAID levels: ... Level 4 -- Dedicated Parity Drive: A commonly used implementation of RAID, Level 4 provides block-level striping (like Level 0) with a parity disk. If a data disk fails, the parity data is used to create a replacement disk.
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www.webopedia.com/TERM/r/RAID.html
www.webopedia.com/TERM/r/RAID.html
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Reference Guide - Hard Disk Drives ... Below you will find a table that summarizes the key quantitative attributes of the various RAID levels for easy comparison. For the full details on any RAID level, see its own page, accessible here. For a description of the different characteristics, see the discussion of...
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www.storagereview.com/guide2000/ref/hdd/perf/raid/level...
www.storagereview.com/guide2000/ref/hdd/perf/raid/levels/comp.html
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There are different RAID levels, each suiting specific situations. RAID levels are not standardized by an industry group. This explains why companies are sometimes creative and come up with their own unique implementations. ... RAID 0 is not fault-tolerant. If one disk fails, all data in the RAID 0 array are lost.
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www.prepressure.com/library/technology/raid
www.prepressure.com/library/technology/raid
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RAID, High Availability. Information on the RAID levels of functionality for data storage mirroring. Twincom. ... RAID level 1 refers to maintaining duplicate sets of all data on separate disk drives. Of the RAID levels, level 1 provides the highest data availability since two complete copies of all information are maintained.
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www.twincom.com/raid.html
www.twincom.com/raid.html
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The RAID levels that are most commonly used for fault tolerance are RAID 1 and RAID 5. RAID 1 has two common variants. The first is the one mentioned above, in which one disk controller manages multiple disks. This is often called disk mirroring.
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articles.techrepublic.com.com/5100-10878_11-5034187.htm...
articles.techrepublic.com.com/5100-10878_11-5034187.html
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Disk arrays have a myriad of configuration parameters that interact in counter-intuitive ways, and those interactions can have significant impacts on cost, performance, ... To that end, we present a comparative study of a range of techniques for programmatically choosing the RAID levels to use in a disk array.
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www.hpl.hp.com/personal/Alistair_Veitch/papers/rls-fast...
www.hpl.hp.com/personal/Alistair_Veitch/papers/rls-fast/index.html
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This month storage analyst Jerome M. Wendt's "Tech Report" takes look at RAID arrays. As anyone who purchases large-scale storage systems would know, arrays come with RAID, and generally mixed RAID. Wendt says the key to good management is " selecting the right mix of disks and RAID levels." ... Storage disk drives...
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searchstorage.techtarget.com/previousWeeklySpotlight/0,...
searchstorage.techtarget.com/previousWeeklySpotlight/0,289676,sid5_tax302491,00.html
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Home > Storage All-in-One Research Guides > Disk Storage > RAID > RAID levels/explainers ... START DRIVES RAID DISK ARRAYS DISK STORAGE FINAL EXAM ... RAID levels defined; This tip offers a listing of the RAID levels in use today and details the characteristics and applications of each.
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searchstorage.techtarget.com/guide/allInOneRG/category/...
searchstorage.techtarget.com/guide/allInOneRG/category/0,,sid5_tax302491,00.html
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