On Sun, Sep 18, 2022 at 10:29:18PM -0400, Dmitry Fomichev wrote: > In its current form, the virtio protocol for block devices (virtio-blk) > is not aware of zoned block devices (ZBDs) but it allows the driver to > successfully scan a host-managed drive provided by the virtio block > device. As the result, the host-managed drive is recognized by the > virtio driver as a regular, non-zoned drive that will operate > erroneously under the most common write workloads. Host-aware ZBDs are > currently usable, but their performance may not be optimal because the > driver can only see them as non-zoned block devices. What is the advantage in extending virtio-blk vs just using virtio-scsi or nvme with shadow doorbells that just work?
