<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 26/04/2010, at 7:57 AM, Tony Sauri wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>On Mon, 26 Apr 2010 06:56, Steve Holdoway wrote:<br><blockquote type="cite">On Mon, 2010-04-26 at 00:13 +1200, Steven Ellis wrote:<br></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">Take a look at this link:<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><a href="http://www.greengecko.co.nz/node/21">http://www.greengecko.co.nz/node/21</a><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">"WD Green disks are formatted with 4096 byte blocks, not the usual<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">512.<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">While this shouldn't be a problem, it doesn't report this fact<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">properly.<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">Also, if partitions aren't actually created on a 4k boundary, then<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">performance slows to a crawl."<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Currently only the 2TB models have 4096 byte blocks so this is<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">unlikely.<br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">This statement is incorrect, as my example of a 1TB disk shows. It's (at<br></blockquote><blockquote type="cite">least - there may be others) the 'R' of EARS in the part number that<br></blockquote><blockquote type="cite">identifies disks with 4KB blocks.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Steve<br></blockquote><br>This document seems to confirm your understanding:<br><a href="http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-701229.pdf">http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-701229.pdf</a><br><br></div></blockquote><br></div><div>Sorry I stand corrected. The WDxxEARS models with 64MB Cache all have 4K Block sizes. Picked up some 2TB disks the other week and could only get the older style through my suppliers, and none were even quoting on Sub 2TB EARS models.</div><div><br></div><div>Steve</div><div><br></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div>Steven Ellis - Technical Director<br>OpenMedia Limited<br>email - <a href="mailto:steven@openmedia.co.nz">steven@openmedia.co.nz</a><br>website - <a href="http://www.openmedia.co.nz/">http://www.openmedia.co.nz</a><br></div></span>
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