>>> with my general question about ZFS and RAIDZ I want the following to >>> know: >>> Must all harddisks for the storage pool have the same capacity or is >>> it possible to use harddisks with different capacities? >> >> Lowest common denominator applies here. Creating a RAIDZ from a 100GB, >> 200GB and 300GB disk will only use 100GB from each disk. >> >> That is until you're replacing the 100GB one with e.g. a 200GB one, the >> array grows automatically. > > Ah, ok. Thanks for your answer.
Depending on how much disks you plan to use, you might want to group them in two or more RAIDZ according to disk sizes to minimize the loss of diskspace, as long the gain outweighs the space loss due to additional parity disk(s). -mg
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