<div dir="auto">+1 to all of it, cheers Paul.<div dir="auto"><br></div><div dir="auto">I think it's worth going for the cheapest externals you can get, shucking them, then using MooseFS since you're already planning to.</div><div dir="auto"><br></div><div dir="auto">I'd use copies=3 and if you're storing more than 50TB talk to me about mfspro.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 25 Apr 2021, 13:03 Paul Del, <<a href="mailto:p@delfante.it">p@delfante.it</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hello Bill<div><br></div><div>My 2 cents worth<br><div><br></div><div>I am sure you know the common things that can increase your hard drives life and performance:</div><div>Temperature</div><div>Humidity</div><div>VIbration</div><div>Heavy Writes</div><div>Heaving Logging</div><div>Clean/Reliable power</div><div>Data throughput</div><div></div><div><br></div><div>The rust hard drives I have seen the most failures with are: (I recommend avoiding)</div><div>WD Green</div><div>WD Blue</div><div>Hitachi Deskstar</div><div>(Not The server drives)</div><div><div><br></div><div>The rust hard drives I recommend the most are:</div><div>WD Black 7200rpm or better</div><div>Seagate 7200pm or better</div><div>(Not Red, Blue, Green, Purple)</div><div><br></div><div>If you are doing the moose distribute setup</div><div>You could always choose two different brands/types</div><div><br></div><div>if you want to know more specific things about which hard drive failures. Check out this from backblaze, I am sure there's more around. Which is one Benjamin sent around ages ago.</div><div><a href="https://www.backblaze.com/blog/backblaze-hard-drive-stats-for-2020/" target="_blank" rel="noreferrer">https://www.backblaze.com/blog/backblaze-hard-drive-stats-for-2020/</a><br></div><div><a href="https://www.backblaze.com/blog/backblaze-hard-drive-stats-q2-2020/" target="_blank" rel="noreferrer">https://www.backblaze.com/blog/backblaze-hard-drive-stats-q2-2020/</a><br></div><div><br></div><div>Thanks Paul</div><div><br></div><div><br></div><div>On Sat, 24 Apr 2021, 09:02 William Kenworthy, <<a href="mailto:billk@iinet.net.au" target="_blank" rel="noreferrer">billk@iinet.net.au</a>> wrote:<br><br>> Just musing on what changes I could make to streamline my systems:<br>><br>> After a recent stray "r m - r f " with a space in it I ended up<br>> removing both most of my active data files, VM's etc ... and the online<br>> backups - ouch!<br>><br>> I have restored from offline backups and have noticed a ~10years old WD<br>> green drive showing a few early symptoms of failing (SMART).<br>><br>> With the plethora of colours now available (!) now what drive is best for<br>> a:<br>><br>> 1. moosefs chunkserver (stores files for VM's, data including the<br>> mail servers user files, home directories and of course the online<br>> borgbackup archives - the disks are basically hammered all the time.)<br>><br>> 2. offline backups (~2tb data using borgbackup to backup the online<br>> borgbackup repo, used twice a week for a few minutes at a time.)<br>><br>> My longest serving drives are WD greens 2Tb which until now have just<br>> keep ticking along. The failing drive is a WD Green - I have run<br>> badblocks on it overnight with no errors so far so it might have<br>> internally remapped the failed sectors ok - I am using xfs which does<br>> not have badblock support. Most drives spent previous years in btrfs<br>> raid 10's or ceph so they have had a hard life!<br>><br>> Newer WD Reds and a Red pro have failed over the years but I still have<br>> two in the mix (6tb and 2tb)<br>><br>> Some Seagate Ironwolfs that show some SMART errors Backblaze correlate<br>> with drive failure and throw an occasional USB interface error but<br>> otherwise seem OK.<br>><br>> There are shingled, non-shingled drives, surveillance, NAS flavours etc.<br>> - but what have people had success with? - or should I just choose my<br>> favourite colour and run with it?<br>><br>> Thoughts?<br>><br>> BillK<br></div><div></div></div></div><img width="0" height="0" alt="" style="display:flex" src="https://mailtrack.io/trace/mail/68659f62480c3e88ffa2f3ae2fde66bb4c88a16f.png?u=7051199"></div>
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