More ram or 2 SSDs?

sretalla

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If you want the best out of your hardware for block storage, you need to use mirrors. (no exceptions).

Because SSDs typically have 50-100x more IOPS than HDDs, you might get your use case covered with RAIDZ1 (given the IOPS of a single SSD could be enough for some "light" virtualization workloads), but you'll be leaving performance on the table.

Your choice.
 
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