Anadministratorwasnotifiedthataresourcegrouphasfailedoverfromthehomenode，Node1toastandbynode，Node2andthatNode1hadbeenpoweredoff.UponrestartingNode1theadministratorcheckedtheAIXerrorlogandthecluster.logWhichofthefollowingismostlikelythecauseofthefailover？（
题目
Anadministratorwasnotifiedthataresourcegrouphasfailedoverfromthehomenode，Node1toastandbynode，Node2andthatNode1hadbeenpoweredoff.UponrestartingNode1theadministratorcheckedtheAIXerrorlogandthecluster.logWhichofthefollowingismostlikelythecauseofthefailover？（）
A.AIXwasshutdown
B.Afatalcorruptionoccurredinthegsclvmddaemon
C.Thetopsvcsdaemonwasstoppedbythesystemresourcecontroller
D.Thegrpsvcsprocesswasstoppedbythesystemresourcecontroller