Add the ability to log to a file #6
Description
For now, the new mgmtd intentionally does not support logging to a file (only journald) and we aren't sure we actually want to add this. For one with BeeGFS 8 we deprecated beegfs-helperd, as it was a common sticking point to installing the client, and we felt it better the client just log to the normal place that kernel modules are expected to log (i.e., dmesg, which gets picked up by journald).
Right now the development team's consensus is that getting rid of the ability to log to a file will have a net positive impact on BeeGFS. But as this may be somewhat controversial, this issue exists to collect all the internal/external feedback on this topic and potentially adjust course in the future based on user input. However based on feedback received thus far, it may be sufficient to simply update our documentation/processes, for example temporarily disabling journald log throttling when asking users to enable debug logging.
If we do decide to move forward with logging to a file, we need to decide if it is sufficient to do some from userspace services like mgmtd, or if we also need to go back and figure out a way to log to a file from the client (which will be much harder without bringing back some helperd-like component).