[LSF/MM TOPIC] NVMe over Fabrics auto-discovery in Linux

[jthumshirn@suse.de (Johannes Thumshirn)]

Sagi Grimberg <sagi at grimberg.me> writes:
> Discovery enhancements is a subject the NVMe TWG will be working on in
> the near future, and "discovery of the  the discovery service" is indeed
> a sub-topic IIRC. I'm not sure LSF would be the appropriate forum for
> this.
>
> What we do need to have, is a way to support existing devices. I think
> its acceptable that FC and Ethernet based transports diverge in their
> implementations for this.
>
> For Ethernet based transports we could follow the open-iscsi model which
> has discoveryd service which periodically polls predefined addresses. As
> for updating initramfs, maybe we can live with this limitation for the
> time being?
>
> FC can keep doing its own thing...

Sure, general discovery enhancements are out of LSF's scope, but for the
implementing a nvme-discoveryd or something similar for Fabrics 1.0
based systems discussion LSF would be the right forum IMHO. This model
still needs /etc/nvme/discovery.conf updates mirrored into the initrd
etc...

Byte,
        Johannes
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Johannes Thumshirn                                          Storage
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