[c-lightning] Replicated backups

William Casarin jb55 at jb55.com
Fri May 31 02:27:27 AEST 2019

ZmnSCPxj <ZmnSCPxj at protonmail.com> writes:

> Good morning Christian,

> It will always remain a possibility in Lightning to close channels
> unilaterally using some sequence of transactions, and that is what we
> can focus on in the channel state interface, and proper versioning can
> be used in the channel state JSON data if we need to change the format
> of the channel state JSON data. But in any case, I myself am satisfied
> with FS-level replication strategies, so good luck in your endeavors
> and feel free to ignore me. Building is more important than arguing.

I think there's room for many possible designs here depending on the use
cases. Luckily the plugin system will give us the flexibility to
experiment with these designs. I wouldn't say we're ignoring you, just
exploring our options.

I consider myself a pretty technical person, but I'm still pretty new to
ZFS and have yet to try out RAID-Z and pool replication. If we hope to
have the widest impact, we'll need a variety of backup solutions.

I'm most interested in the case where you can just install a plugin and
have a mostly reliable, realtime, encrypted, streaming backup. This is
something people can enable no matter what hardware or filesystem
they're running on.

I agree, we should should be building instead of arguing. I don't think
the arguing has been unproductive, I'm going to be looking more into ZFS
replication with my setup.


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