单项选择题
Anadministratorhasa2nodeclusterrunningPowerHAversion5.5.Theyremovearesourcegroupfromtheactiveclusterconfiguration.Whenperformingaverifyandsynchronizeofthecluster，theadministratorgetsthefollowingerror："migcheck[471]：cl_connect（）error，nodename=Node1，rc=-1cldare：AcommunicationerrorpreventsobtainingtheVRMFfromremotenodes.ADAREeventcannotberununtilthisiscorrected.Pleaseensureclcomdisrunning."Whatisthemostlikelycauseofthiserror？（）
A.ThereisaDARElockinplace
B.APowerHAmigrationisinprogress
C.Clusterservicesisnotactiveontheothernode
D.TheotherclusternodeisrunningadifferentversionofRSCT
A.5.Theyremovearesourcegroupfromtheactiveclusterconfiguration.Whenperformingaverifyandsynchronizeofthecluster，theadministratorgetsthefollowingerror："migcheck[471]：cl_connect（）error，nodename=Node1，rc=-1cldare：AcommunicationerrorpreventsobtainingtheVRMFfromremotenodes.ADAREeventcannotberununtilthisiscorrected.Pleaseensureclcomdisrunning."Whatisthemostlikelycauseofthiserror？（）
A.ThereisaDARElockinplace
B.APowerHAmigrationisinprogress
C.Clusterservicesisnotactiveontheothernode
D.TheotherclusternodeisrunningadifferentversionofRSCT
