[PATCH rfc 0/6] support traddr as dns names for ip based transports

[Hannes Reinecke]

On 8/10/23 14:03, Sagi Grimberg wrote:
> 
>> Currently nvme-cli is able to resolve an ip address from a dns name if
>> traddr argument was given as a dns name, so it does that and passes down
>> to the kernel the resolved ip address.
>>
>> However, if the dns resolution changes over time, the kernel will not
>> be able to reconnect because it has a stale ip address. While this is
>> not a real use case for nvme subsystems, it could be a valid use-case
>> for discovery controllers, where the resolution is made from a dns
>> name that may load-balance/failover over multiple endpoints.
>>
>> The last patch (7/6) is for libnvme to pass down the traddr as a dns
>> name if the kernel supports dns queries.
>>
>> The inspiration was taken from the nfs client that does this for
>> redirects or locations discovery.
>>
>> It is an rfc, so feedback is welcome.
> 
> So I get that there is zero appetite to support this?
No, actually not.

I'm pretty much in favour of it.

Hmm. Probably should send a review ... wait ...

Cheers,

Hannes