Fedora Copr DistGit machine consumed the disk, we are getting Nagios reports

[praiskup]

[root@copr-dist-git ~][PROD]# df -h /var/lib/dist-git
Filesystem      Size  Used Avail Use% Mounted on
/dev/nvme0n1p1  6.8T  5.7T  782G  89% /var/lib/dist-git

[praiskup]

I'm running time bash -x /etc/cron.daily/copr-dist-git in tmux right now to see if it helps.
Poking at a few lookaside cache directories, and the log /var/log/copr-dist-git/cleanup-tarballs.log*, this tarball cleanup seems to work really well.

We probably need something like +1T.

[praiskup]

Previous event: #3020

[praiskup]

Done, per https://docs.pagure.org/copr.copr/enlarge_volumes.html