A good locator of a town when the spelling is in question : www.jewishgen.org/ShtetlSeeker/loctown.htmis not locating a town with that spelling in Romania.
Your surnames do seem to have German roots. www.genealogienetz.de/reg/ESE/dsinfo.htmmight be of some use in your research. This website listing Glogowatz as now Vladimirescu,Romania.It seems that LDS-Mormons (Family History Center) have filmed some church records, so check out what they. The old 1910 Hungarian megye map is at : http://lazarus.elte.hu/hun/maps/1910http://lazarus.elte.hu/hun/maps/1910click on Arad. On this map the village's name is Glogovacs, not far from town of Arad.
7 HONAKERs, 22 MESINGERs, 633 SCHAEFFERs passed thru Ellis Island to America.
Romania's phone site is at : www.whitepages.roand a spelling SCHAFER,SCHAEFER in Arad's phone book.
www.rat.de/kuijsten/nagivator Do check out German's websites for your ancestral names.