<div dir="ltr"><div dir="auto"><div dir="auto"></div><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr">On Fri, 5 Jun 2020, 14:06 Sébastien Luttringer, <<a href="mailto:seblu@seblu.net" target="_blank">seblu@seblu.net</a>> wrote:</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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Please relax, I've a RAID5 of 6x8TB since years.<br><br></blockquote><div><span class="gmail_default" style="font-family:verdana,sans-serif">Have you had to replace a disk and do a rebuild? </span><a href="https://www.digistor.com.au/the-latest/Whether-RAID-5-is-still-safe-in-2019/"><span class="gmail_default" style="font-family:verdana,sans-serif">https://www.digistor.com.au/the-latest/Whether-RAID-5-is-still-safe-in-2019/</span></a></div><div><span class="gmail_default" style="font-family:verdana,sans-serif">TL;DR:</span><span class="gmail_default" style="font-family:verdana,sans-serif"><i> ...the rebuilding successful
 rate is very low even for 4 bay SATA 5 array with 1TB disks. It’s 
nearly impossible to guarantee a successful rebuilding with this type of
 disk because of its too high URE. Another alarming fact about URE is: 
it has no correlation to the drive’s age.</i></span></div><div><br></div><div><div style="font-family:verdana,sans-serif" class="gmail_default">It's obviously worse with consumer drives compared to enterprise drives - I'm not sure what Hetzner provision though.</div><br></div><div><div style="font-family:verdana,sans-serif" class="gmail_default">(Sorry for the slow reply - been AFK.)</div></div><div><br><span class="gmail_default" style="font-family:verdana,sans-serif"><i></i></span><span class="gmail_default" style="font-family:verdana,sans-serif"></span><span class="gmail_default" style="font-family:verdana,sans-serif"></span></div></div></div>
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