<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 25/04/2010, at 9:56 PM, Phill Coxon wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>On Sun, 2010-04-25 at 21:41 +1200, Aaron Whitehouse wrote:<br><br><blockquote type="cite">It seems that, after all of that, it was a hardware issue. I have <br></blockquote><blockquote type="cite">replaced the hard drive (a WD Green 1TB) with a spare one that I had and <br></blockquote><blockquote type="cite">all is working really well. It's a pity that I can't get the hours back, <br></blockquote><blockquote type="cite">but I'm really glad to have found and solved the problem.<br></blockquote><br>I'm a bit late into the discussion here but I think I can tell you<br>exactly what the problem is as I've just struck something very similar.<br><br>Take a look at this link:<br><br><a href="http://www.greengecko.co.nz/node/21">http://www.greengecko.co.nz/node/21</a><br><br>"WD Green disks are formatted with 4096 byte blocks, not the usual 512.<br>While this shouldn't be a problem, it doesn't report this fact properly.<br>Also, if partitions aren't actually created on a 4k boundary, then<br>performance slows to a crawl."<br><br><br></div></blockquote><br></div><div>Currently only the 2TB models have 4096 byte blocks so this is unlikely.</div><div><br></div><div>HD / DMA issues and things like commflag can cause problems.</div><div><br></div><div>Also what motherboard chipset do you have. There was an issue where selected combinations of cards/chipsets could cause data corruption or i/o throughput issues.</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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