I'm new to ZFS and wanted to give it a go. I've installed Ubuntu on to a single 120Gb SSD and the problem I now face is I have an identical 120GB SSD which I want to use in RAID to extend the storage to 240GB. I've been reading up and it seems that I don't need to do RAID, but instead add the extra SSD to a storage pool.
I guess my question is, can this be done post Ubuntu installation?
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