On Tue, Oct 12, 2021 at 05:57:43PM +0300, Sagi Grimberg wrote: > Jens, is that with nvme_core.multipath=Y ? That is the default. But for most PCI device namespaces are private by default so we won't use the multipath code anyway. Only for dual ported devices, and even for those that flag might need to be set explicitly at namespace creation time.