Re: Remove device-mapper-multipath from the Fedora workstation livecd - Fedora 33 System-Wide Change proposal

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On Mon, Jun 29, 2020 at 7:00 PM John M. Harris Jr <johnmh@xxxxxxxxxxxxx> wrote:
>
> On Monday, June 29, 2020 1:04:48 PM MST Ben Cotton wrote:
> > https://fedoraproject.org/wiki/Changes/RemoveDeviceMapperMultipathFromWorkst
> > ationLiveCD
> >
> > == Summary ==
> > The Fedora workstation livecd is the default Fedora variant getfedora.org
> > advices people to download.
> > As such most Fedora workstation installs will be done from the livecd. This
> > means that any package which is part of the livecd will be part of the
> > default install for most users.
> >
> > device-mapper-multipath is 1 of only 2 packages in the default install
> > which still Requires the long obsoleted systemd-udev-settle.service, which
> > waits for all device-detection to be done + some extra waiting just to be
> > sure. This significantly slows down booting on various systems.
> >
> > Multipath support is only necessary for installations in data-centers or
> > other enterprise setups, as such having device-mapper-multipath on the
> > livecd is not really necessary. For installations which do actually need
> > this device-mapper-multipath the server installation iso can be used and
> > this is a better fit for such installations.
> >
> > == Owner ==
> > * Name: [[User:jwrdegoede| Hans de Goede]]
> > * Email: hdegoede@xxxxxxxxxx
> >
> > == Detailed Description ==
> >
> > device-mapper-multipath is 1 of only 2 packages in the default install
> > which still Requires the long obsoleted systemd-udev-settle.service. The
> > other package is dmraid see [[Changes/DisableDmraidOnFirstRun|Disable
> > dmraid.service on first run]].
> >
> > Multipath support is only necessary for installations in data-centers or
> > other enterprise setups, as such having device-mapper-multipath on the
> > livecd is not really necessary. For installations which do actually need
> > this device-mapper-multipath the server installation iso can be used and
> > this is a better fit for such installations.
>
> Actually, multipath is used outside of datacenters and enterprise setups. A
> better solution would be to use Anaconda to include it when configured, and
> leave it out otherwise..

Anaconda live install architecture does not support post-installation
package installs based on user requests or configuration selected at
install time. So this would not be possible.


-- 
真実はいつも一つ!/ Always, there's only one truth!
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