mon: new cluster logging strategy
Pull request ID:
- putting the log files in $mon_data is probably a bad idea
- they don't get rotated
- they aren't in a sufficiently standard location such that the logrotate conf can point to them
maybe just /var/log/ceph/$cluster.log?
mon: put cluster log at /var/log/ceph/$cluster.log and/or send to syslog
Also, stop breaking it down by event severity on disk. If you want that,