So in a "read back" mode, this tells us that the data stored here isn't important so there isn't really anything to worry about. If you do the expansion and it causes data loss, they can't be upset as they don't see value in the data. This also tells us that the servers shouldn't be there, because if they aren't backed up and they aren't a caching system then you shouldn't have them at all.
Thanks - I will proceed without using ZFS - I prefer hardware RAID.
ZFS is perfectly fine with hardware RAID, if you like ZFS' features otherwise (like zsend is nice) then there's no reason to avoid it. If you don't plan to use any unique features, then XFS is my "go to" choice by default. Very fast, very stable.
Seems like the perfect case to use RAIN, even if it's within a single system enclosure. @StarWind_Software LSFS, I'm looking at you. @KOOLER I am right in thinking this is the sort of thing LSFS could handle, right?
RAIN in a single enclosure rarely does anything that RAID 10 does not. It's effectively all the same at that point (more or less.) If RAID 10 doesn't work, RAIN isn't going to work either (normally.) The issue here is "single enclosure."
Wouldn't a properly configured single RAIN node make it easier to grow when it's time to add more storage?
I've seen this with Exablox and it was a nice feature!
Yes, if you are preparing for scale out. But if you are just doing it within the context of a single node, it doesn't change anything.
When you say "in a business capacity"... Do you mean any business or just certain sizes? What is the reasoning? I know you think the FreeNAS community can be very brash/vile at times based on some of your earlier posts to people asking about FN.
Basically you are getting a highly stateful system where support is critical but in a crippled manner compared to just using FreeBSD. You are getting something easy to set up but difficult to support. If anything goes wrong you are in very tough shape. And updates come a bit behind. So you have a number of small issues that all add up to a not very business friendly product.