On Thu, Jun 06, 2024 at 11:12:08AM +0900, Damien Le Moal wrote: > Maybe. But that would still not provide any guarantee: a buggy application not > respecting the limits would be able to steal resources from the other namespace. > > In any case, I think this is a discussion to have on the nvme list. Yes, the per-controller limits in NVMe are a big mistake that was already mentioned during ZNS standardization. We don't really have any good way to deal with it except strongly recommending users to not use multiple ZNS namespaes per controller.