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Re: Solstice infrastructure hackathon

From: pukkamustard
Subject: Re: Solstice infrastructure hackathon
Date: Sat, 18 Dec 2021 10:57:59 +0000

I'm in!

Ludovic Courtès <> writes:

> Hello Guix!
> This week, the node behind {ci,issues,disarchive} and
> was down twice for a few hours—nothing terrible in the end,
> but it reminded us that, even though Guix doesn’t rely on any particular
> machine, we can definitely feel the inconvenience when it’s down.
> We were unlucky enough that it happened days after the other build farm,
>, ran out of disk space and had its CI stopped,
> right before the big merge—so it doesn’t have substitutes for current
> master.
> While discussing this on IRC the other day, we thought that perhaps it
> was time to have an infrastructure hackathon.  How about Tuesday,
> Dec. 21st?  (Probably with a followup in January.)
> Here are tasks that were brought up:
>   • Set up a backup server for, the head node of the
>, possibly moving some services such as the web site
>     there.
>   • Add DNS redundancy for so it can point to one of two
>     hosts (need to figure out certbot challenges so both machines can
>     update their certificates).
>   • Set up with sysadmin status updates (possibly
>     using Prometheus?).
>   • Come up with a plan to add disks to the RAID array on bayfront, the
>     head node of
>   • Work on a plan to back up the Disarchive database currently on
>     berlin.guix.
>   • Work on a plan to mirror nars from ci.guix and bordeaux.guix, using
>     plain rsync or <>.
>   • Have a documented procedure to set up substitute mirrors, such as
>     the one in .cn (I can’t find the URL), ideally with plain rsync
>     access.
> Am I forgetting something?
> Some of these tasks require root or physical access for the final steps,
> but most of them are about (1) coming up with a plan, and (2) adjusting
> the system configuration at
> <>.
> Anyone with sysadmin experience to share and Guix System knowledge can
> join!  We’ll communicate over #guix on
> Who’s in?  :-)
> Cheers,
> Ludo’.

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