It used to be that you would see /@, which is normally mounted in /, and /@home, which is normally mounted in /home, thus the log files would be under /@/var/log/installer. I am not sure where these other directories came from.
It used to be that you would see /@, which is normally mounted in /, and /@home, which is normally mounted in /home, thus the log files would be under /@/var/ log/installer. I am not sure where these other directories came from.