I am archiving a vast amount of media files that are rarely accessed. I’m writing large sequential files, at peaks of about 100MB/s.
I want to maximise storage space primarily; I have 20x 18TB HDDs.
I’ve been told that large (e.g. 20 disk) vdevs are bad because resilvers will take a very long time, which creates higher risk of pool failure. How bad of an idea is this?
They won’t really take any longer than on narrower vdevs unless you’re hitting CPU or controller throughput limits.