GNU bug report logs - #65335
[PATCH 0/4] Allow mounting root on tmpfs for impersistence

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Message #98 received at 65335 <at> debbugs.gnu.org (full text, mbox):

From: "Scott Colby" <scott <at> scolby.com>
To: 65335 <at> debbugs.gnu.org
Subject: [PATCH 0/4] Allow mounting root on tmpfs for impersistence
Date: Thu, 28 Mar 2024 00:25:12 -0400

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Hello,

I am interested in setting up my installation of Guix with root-on-tmpfs-style
"impermanence," so I was happy to see that these patches were merged.
Unfortunately, I cannot seem to make it work. My approach was to use a main
partition mounted at `/persistent` with directories underneath like
`/persistent/var/{log,lib,guix}` that were bind-mounted on top of the tmpfs at
`/`.

Not mentioned as far as I can see in this thread is what about `/gnu/store`.
Should that also be stored persistently or does it originate from inside
`/var/guix`? Originally I tried having `/gnu` be the persistent filesystem with
subdirectories `/gnu/persistent/var/...` and `/gnu/store`, but this interfered
with the `%immutable-store bind mount`.

Would you be so kind as to share a working configuration snippet using
root-on-tmpfs? (I understand if you're using btrfs subvolumes; it would still be
useful to me I think to see the configuration.)

Thanks,
Scott

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