jq is mot custom syntax though, it is just JSONPath standarsld. Which is also used to query JSON in JSON fields in MySQL for instance.

I think for now that should be fine. I got daily cloud backups, and got a way to remotely turn off the PC if a disk degrades or faults. I might also even get a disk as hot or cold spare just to be sure. With 2 mirrors I got quite a bit of performance, and in a sense better off than with a single mirror.

I'm using the storage to host Nextcloud, and the performance was just not really good enough with a singular disk of speed. I'm hosting it for me and the wife so we can both share pictures with each other without needing a privacy invasive third party :)

I wasn't completely clear I think. I currently have 1*mirror vdev of 8TB. I'm thinking of adding another mirror vdev. That would stripe the data between both. Meaning that per vdev there would be less data. That would lead to quicker (thus safer?) resilversing in the case of a singular disk failure per vdev, correct?