Re: [PATCH] udev: create symlinks and watch even in suspended state

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On Sat, 2022-01-29 at 21:05 +0100, Zdenek Kabelac wrote:
> Dne 29. 01. 22 v 0:21 Martin Wilck napsal(a):
> 
> > 
> > AFAICS my patch eliminates the window for this error entirely.
> 
> 
> Ok now I see that there is already skip for DM_SUSPENDED
> and you patch likely only tries to preserve some existing state of
> links.
> 
> I'll need to get in touch with Peter here.
> 
> I guess the idea behind was to avoid read of device that will be
> resumed and 
> will automatically get a new event - and suspened device itself
> cannot change 

Thank you!

> - but that fact it's been loosing existing state was missed - I'm
> wondering 
> why this was not seen as problem before.

One reason is that we're now starting multipathd earlier. This has a
lot of advantages, but it reveals problems that were hidden behind the
"After=systemd-udev-settle.service" dependency of mulltipathd before.

Regards,
Martin

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