On Thu, Dec 31, 2020 at 11:09 AM Greg Woods <g...@gregandeva.net> wrote:
>
> I suppose I should provide more info. /pub is a place where I store a bunch 
> of stuff. In particular there are our photo and music collections, and 
> rsync'ed Fedora repos (I rsync F32 and F33 repos once a day, then I use the 
> local repo to perform updates on my 6 Fedora systems).
>
> The problem here is that, by the time I see one of these entries and 
> investigate, the PID is for a process that is long gone, and I'm not getting 
> any useful info about what command is triggering this.

I'd guess that it's related to polling for repo differences.


> Again, process 253560 is long gone, but at least I know that this automount 
> was triggered by a dnf command. When the command is "PT3122", then I have no 
> clue what triggered this automount.

No idea.

I think for this it's something of a heavy hammer, but you could try
fatrace to see what's doing what, e.g.

firefox(43214): W
/mnt/home/chris/.mozilla/firefox/sfgorfus.default-release/storage/default/moz-extension+++cbf54e9c-1792-49aa-8511-5756bf926071^userContextId=4294967295/idb/3647222921wleabcEoxlt-eengsairo.sqlite-wal

Process name and PID, write, path to file. You might want to cd /pub
and run this with --current-mount option. Do that in a tmux pane and
just walk away from it? I have seen it give up if there's too many
reads/writes, but I don't know the parameters of when or why it stops.

Possibly the better idea is setting up an auditd rule to watch /pub -
that's sorta what auditd is designed for.


-- 
Chris Murphy
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