Re: deadlocks when the target server runs as initiator to itself

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po 30. 1. 2023 v 1:09 odesílatel Mike Christie
<michael.christie@xxxxxxxxxx> napsal:
>
> > Sounds correct to you?
>
> Yeah, I think nbd and rbd have similar issues. I think they just say don't
> do that.

Ok. So iscsi initiator and target on the same host must be considered
unsupported.

>
> >
> > What do you think about using memalloc_noio_*() in the iscsi_rx thread
> > to prevent the memory reclaim code from starting I/O operations? Any
> > alternative ideas?
>
> I don't think that's the best option because it's a rare use case and it
> will affect other users.

Yeah, too overkill for such a corner case.

>Why can't the user just use tcm loop for the local
> use case?

This is indeed what we are going to suggest to them, to reconfigure
their target setup to
avoid using iscsi in loop and use tcm_loop instead.

Thanks,
Maurizio





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