[systemd-devel] journald tiered logging for embedded system with flash?

Lennart Poettering lennart at poettering.net
Mon Jul 15 15:35:59 PDT 2013

On Mon, 15.07.13 08:27, Chris Morgan (chmorgan at gmail.com) wrote:

> Hello.
> I'm looking at journald.conf for a way to log all messages to ram but
> only messages lower than a certain level to disk (which in this case
> is flash and is slow/has a limited number of write cycles). I see
> MaxLevelStore etc and Storage but I don't see any combination that
> would work as desired.

We currently do not support a scheme like this. We either usr /var, or
we use /run, but not both.

I see the usecase though, and it sounds like a worthwile addition, and
due to journalctl's automatic interleaving would be pretty
seamless. Added to the TODO list!


Lennart Poettering - Red Hat, Inc.

More information about the systemd-devel mailing list