Re: [PATCH v3 05/17] scsi_transport_fc: Added a new rport state FC_PORTSTATE_MARGINAL

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On Tue, Oct 20, 2020 at 12:33:39AM +0530, Muneendra Kumar M wrote:
> HI Michael,
> 
> > [Muneendra]As Hannes mentioned if there are no active paths, the
> > marginal paths will be moved to normal and the system will send the io.
> >What do you mean by normal?
> 
> >- You don't mean the the fc remote port state will change to online right?
> Fc remote port state will not change to online.
> 
> - Do you just mean the the marginal path group will become the active group
> in the dm-multipath layer?
> 
> Yes
> 

Correct. The path group is still marginal. Being marginal simply means
that the path group has a lower priority than all the non-marginal path
groups.  However, if there are no usable paths in any non-marginal path
group, then a marginal path group will become the active path group (the
path group that the kernel will send IO to).

-Ben

> Regards,
> Muneendra.





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