Hi,
/*Zbigniew Jędrzejewski-szmek*/ wrote on Sat, 7 Oct 2017 07:18:59 +0000:
Two boot-time services provided by the venerable initscripts package:
<...>
- fedora-readonly.service: this is used to mount parts of the filesystem rw
in case the system is using read-only root filesystem. To do anything this
service checks if READONLY=yes is set in /etc/sysconfig/readonly-root.
Is anybody using this? If yes, would it be OK if the service was not
enabled by default anymore and would require an explicit 'systemctl enable
fedora-readonly.service' or creating a custom preset (in addition to
setting READONLY=yes) to be active?
I do! Yes, I don't care if it should be explicitly enabled, but I really
hope that it won't vanish. I even don't care if you do not need to
specify READONLY=yes if it is enabled explicitly (enabling it can mean
that you really want READONLY=yes).
See https://bugzilla.redhat.com/show_bug.cgi?id=1493479 and
https://pagure.io/fesco/issue/1779 for some more info.
<...>
fedora-readonly.service is based on mounting tmpfs dirs, copying files
around, doing selinux fixups, manually mounting rpcfs and nfs, etc. I have never
seen fedora-readonly.service actually used, but that doesn't mean much.
If people are using them I'd love to hear about their use cases, and
think if we can provide the same functionality using more modern
mechanisms. Without breaking existing setups, I'd like to disable this
by default to simplify the boot process and not encourage the use in
new installations. ]
fedora-readonly.service is actually an advanced utility to let you
configure the system to be used with fully or partly read-only root
filesystem. I've used it, and are very likely to use it again and again
in future, to deploy 'reliable' Fedora instances, which are either fully
read-only, or let you write in a very specific locations and make sure
that your / partition will never be corrupted for any reason. It is a
great feature for using Fedora in embedded devices.
Anyway, I don't see why it can't be disabled by default, but I hope it
is not removed... at least not until there is a replacement with 100% of
its features.
Regards,
Hedayat
Zbyszek
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