On 4/29/25 10:26, Christoph Heiss wrote:
ZFS actually lets one create RAIDZ{1,2,3} pools with 2, 3 and 4 disks,
respectively. While maybe not really _that_ practical for real-world
usecases (starting with the overhead), do we want to still allow it?
I personally don't like putting too many constraints on what users can
do. Even if not every setting is practical, I think the installer should
allow them as long as they don't mean that the whole installation is
going to crash halfway through,
Yep, definitely. I also like to err on the side of caution and rather
allow more than what might be technical feasible and/or allowed - latter
especially w.r.t. network settings.
I'd then just lower it to the actual allowed minimum as mentioned above,
doesn't hurt in any case :^)
I think I'd prefer doing this in a separate series, though. Changes
would have to be made in the installer, the UI (there's a check there as
well when creating a ZFS pool) and, IMO, also PBS. There are checks in
PBS as well and I don't think it's a good idea to have diverging
behavior between PVE and PBS about what is and isn't allowed w.r.t. ZFS
RAID setups.
especially if manually creating pools
like that would work. Maybe someone else has an opinion on this and can
weigh in, though. In any case, thanks for the suggestion!
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