[PATCH 2/2] nvmet: Add port transport active flag

[Max Gurtovoy]

On 3/19/2018 12:56 PM, Johannes Thumshirn wrote:
> On Mon, Mar 19, 2018 at 12:48:15PM +0200, Max Gurtovoy wrote:
>>
>>
>> On 3/19/2018 12:11 PM, Johannes Thumshirn wrote:
>>> On Mon, Mar 19, 2018 at 09:47:47AM +0000, Israel Rukshin wrote:
>>>> tractive port flag means that nvmet transport is active and ready for
>>>> receiving requests from host.
>>>> It differ from enabled port state (port with subsystem symbolic link)
>>> differs^
>>>
>>>
>>> Also, this would need an accompanying nvmetcli change as well.
>>
>> Are you reffereing to the current implementation ?
>> Which change is in your mind ?
>>
>> Currently the tractive flag will become true if the initial port
>> configuration will succeed (also using nvmetcli).
>> One can create a service/timer/script to check periodically the tractive
>> flag and echo 1 to it in case needed (for persistent target configuration).
> 
> No I was thinking of a nvmetcli command to administratively toggle the
> tractive flag from within nvmetcli.

Yup, we can add this incrementally.

> 
> It is exported via configfs 'CONFIGFS_ATTR(nvmet_, tractive);' so
> what's the purpose of a user controllable knob that can't be
> controlled by the tool that usually configures these?
> 
> Byte,
> 	   Johannes
>