2-node Rac on windows, oracle version =10.2.02, crs version =10.2.03 I tried to start OracleCRService on one node and it faied (the other node is OK). C:\oracle\product\10.2.0\crs\BIN>crsctl check crs CSS appears healthy Cannot communicate with CRS EVM appears healthy C:\oracle\product\10.2.0\crs\BIN> I looked a few log files and csrd.log has this: 2007-05-07 17:56:39.743: [ CRSD][600]32Doing grpstat on crs_version group 2007-05-07 17:56:39.774: [ OCRRAW][1108]proprioo: for disk 0 (F:\oracle\product\10.2.0\db_1\cdata\localhost\local.ocr), id match (1), my id set (711027857,1028247821) total id sets (1), 1st set (711027857,1028247821), 2nd set (0,0) my votes (2), total votes (2) 2007-05-07 17:56:39.851: [ OCRMAS][3964]th_master:9: Comparing device hash ids. Local dev = (711027857, 1028247821) Master dev = (1598592443, 1028247821) 2007-05-07 17:56:39.882: [ OCRMAS][3964]th_master:9: Shutdown CacheLocal. my hash ids don't match 2007-05-07 17:56:39.913: [ OCRSRV][2256]proath_invalidate_cache:Exiting thread..context still not valid 2007-05-07 17:56:39.913: [ OCRSRV][3324]proath_listen:Exiting thread..context still not valid 2007-05-07 17:56:39.913: [ OCRAPI][1108]a_init:18!: Thread init unsuccessful : [30] 2007-05-07 17:56:39.913: [ OCRSRV][2756]proath_listen:Exiting thread..context still not valid 2007-05-07 17:56:40.331: [ CRSOCR][1108]32OCR context init failure. Error: PROC-30: Oracle Cluster Registry IDs do not match 2007-05-07 17:56:40.347: [ CRSMAIN][1108][PANIC]32CRSD exiting; Could not init OCR, code 30 I found my node has registry key "ocrconfig_loc" values different on two nodes: One this node: local_only = true ocrconfig_loc = F:\oracle\product\10.2.0\db_1\cdata\localhost\local.ocr On the other node (which everything is fine there): local_only = false ocrconfig_loc = G:\cdata\crs\data.ocr My question: should ocrconfig_loc setting be the same on two nodes? I could not figure out the root cause of my problem. Thanks. Guang -- //www.freelists.org/webpage/oracle-l