Re: discuss about commit 3b0f9ce: filter-mpath: get wwids from sysfs vpd_pg83

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On Mon, 2023-11-13 at 11:52 +0000, Martin Wilck wrote:
> 
> PS: Here's a related remark about 17a3585 ("pvscan: use alternate
> device names from DEVLINKS to check filter"). I can see why this was
> necessary, but I don't understand why this is found to be necessary
> _now_; the same issue should have always existed if "pvscan" is
> running
> during a "change" event for any given device. The solution of 17a3585
> "worked" for us, but it looks only semi-ok to me. Other udev rules
> may
> modify the DEVLINKS list after pvscan had been running. A correct
> solution must make sure that pvscan runs after all udev rules. IOW,
> pvscan should be triggered in a udev RUN= statement rather then
> IMPORT=. This would probably require a new systemd service, because
> it's not just "pvscan" alone. But the result would be more robust
> then
> what we currently have.

I have seen no responses to this remark ... is it just nonsense?

Martin






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