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Storage Smarts #16

By SearchStorage editors
03 Jun 2002 | SearchStorage

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Storage<META content="text/html; charset=iso-8859-1"http-equiv=Content-Type> <META content="searchStorage editors" name=Author> <META content="MSHTML 5.00.2920.0" name=GENERATOR></HEAD> <body><b>Were you correct? This week's answer is:</b> <br>c. RAID-3 <p><b>Learn more:</b> <p><a href=http://searchstorage.techtarget.com/sDefinition/0,,sid5_gci214332,00.html>RAID-3</a>: This type uses striping and dedicates one drive to storing parity information. The embedded error checking (ECC) information is used to detect errors. Data recovery is accomplished by calculating the exclusive OR (XOR) of the information recorded on the other drives. Since an I/O operation addresses all drives at the same time, RAID-3 cannot overlap I/O. For this reason, RAID-3 is best for single-user systems with long record applications.</p><br><br> <p>Need help setting RAID levels? <a href=http://searchstorage.techtarget.com/tip/1,289483,sid5_gci788909,00.html>Check out this tip</a> by Rick Cook. <p>SearchStorage expert and data availability maven Evan Marcus recently started a lively discussion on RAID 1+0 vs. RAID 0+1 in the Storage Management forum. <a href=http://searchstorage.discussions.techtarget.com/WebX?msgInContext ((Content component not found.)) .Ua6EabwKk5R^2@.ee83ce3/396>View this discussion</a>. <p>Jim Booth is our resident storage administration expert. <a href=http://searchstorage.techtarget.com/ateAnswers/0,289620,sid5_tax286188,00.html>View his expert responses on RAID</a> or <a href=http://searchstorage.techtarget.com/ateQuestion/0,289624,sid5_cid401717_tax286188,00.html>ask him a question</a>. <p> <br> <p> </p></body></html> <br> <span class="hideToPrint"> <!-- Vignette V/5 Wed Aug 20 14:46:17 2008 --> <!-- 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