SOLVED Volume vs. dataset size differences

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echodreamz

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Aug 23, 2011
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Created a RAIDZ volume that is 21.7TB in size, freenas created a matching dataset with the same name, however, it is only 16.8TB in size. Where did the remaining ~4TB or so go? I assume this is some parity?

Thanks!
 

echodreamz

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Aug 23, 2011
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Figured it out, It is like a RAID 5. 21TB total for the drives - 1 full drive for parity (16TB total).
 
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