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Tech Head - The Technology Section
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Upsizing NAS Hard Drives ?
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<blockquote data-quote="Vipersan" data-source="post: 996358" data-attributes="member: 325666"><p>So ..many of you will know of my obsession with collecting 'data' ...</p><p>and that I love NAS ..</p><p>My latest addition was a ReadyNas 4 bay unit ...which were fitted with 4 x 4TB hard drives WD red ..</p><p>Configured in raid X ..which is netgears version of raid5 ..</p><p>So ..useable space is always less than the drives actual size ...and in raid as a rule of thumb ...one of the 4 drives provides the stripeing thus you lose the storage capacity of one ...</p><p>Thus we are looking at 3x 4tb ...less a few hundred gb.</p><p>The actual capacity being more like 11 tb ..</p><p>Enough for most folk I guess ...but not for me ...</p><p>I'm therefore going to upgrade again to 8tb drives ..but not all at once as these are about £300 each..</p><p>So to my questions.</p><p>I intend to replace each 4tb one drive at a time...</p><p>(less financial pain that way) </p><p>lol</p><p>I assume I can hot swap one drive first and allow the NAS to rebuild the missing drive...using only 4tb of the new 8tb drive ?</p><p>Once the rebuild is complete ...in theory I can repeat this until all 4 x 4tb drives are physically replaced at which point I assume I can reboot and the unit will re-sync giving access to more or less 8tb on each of 3 of the drives (one will of course be lost to stripeing as is the rule..)</p><p>Eventually I will have approx 22 > 23 tb of accessible space ?</p><p>Do I have the method and the concept correct ?</p><p>A question for NAS experts I guess ..</p><p>Hopefully one day 8tb wd red drives will fall ..but for the moment ...this excercise is going to cost as much as a central heating system...just for 4 drives ..</p><p>about £1200 when complete..</p><p>Ouch !!</p></blockquote><p></p>
[QUOTE="Vipersan, post: 996358, member: 325666"] So ..many of you will know of my obsession with collecting 'data' ... and that I love NAS .. My latest addition was a ReadyNas 4 bay unit ...which were fitted with 4 x 4TB hard drives WD red .. Configured in raid X ..which is netgears version of raid5 .. So ..useable space is always less than the drives actual size ...and in raid as a rule of thumb ...one of the 4 drives provides the stripeing thus you lose the storage capacity of one ... Thus we are looking at 3x 4tb ...less a few hundred gb. The actual capacity being more like 11 tb .. Enough for most folk I guess ...but not for me ... I'm therefore going to upgrade again to 8tb drives ..but not all at once as these are about £300 each.. So to my questions. I intend to replace each 4tb one drive at a time... (less financial pain that way) lol I assume I can hot swap one drive first and allow the NAS to rebuild the missing drive...using only 4tb of the new 8tb drive ? Once the rebuild is complete ...in theory I can repeat this until all 4 x 4tb drives are physically replaced at which point I assume I can reboot and the unit will re-sync giving access to more or less 8tb on each of 3 of the drives (one will of course be lost to stripeing as is the rule..) Eventually I will have approx 22 > 23 tb of accessible space ? Do I have the method and the concept correct ? A question for NAS experts I guess .. Hopefully one day 8tb wd red drives will fall ..but for the moment ...this excercise is going to cost as much as a central heating system...just for 4 drives .. about £1200 when complete.. Ouch !! [/QUOTE]
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Upsizing NAS Hard Drives ?
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