Aug 20 21:56:27 rotse3a rotsed: open(/rotse/run/cfg/rotsed.cfg, O_WRONLY|O_CREAT|O_EXCL, 00664) failed, File exists
This is an indication that the rotsed.cfg file (which acts as a lockfile) is present. It is very possible that the system is already running! If it is not, then check the following Section 9.3.2.