Hi Abhijit, Here is what in the CRS log file when the patch was applied: [client(10328)]CRS-10001:26-Jul-13 14:36 ACFS-9309: ADVM/ACFS installation correctness verified. 2013-07-26 14:36:21.031 [ohasd(10334)]CRS-2112:The OLR service started on node usfhm1-uddbs002. 2013-07-26 14:36:21.059 [ohasd(10334)]CRS-1301:Oracle High Availability Service started on node usfhm1-uddbs002. 2013-07-26 14:36:21.059 [ohasd(10334)]CRS-8017:location: /etc/oracle/lastgasp has 2 reboot advisory log files, 0 were announced and 0 errors occurred 2013-07-26 14:36:21.450 [ohasd(10334)]CRS-5828:Could not start agent '/u01/app/11.2.0/grid/bin/oraagent'. Details at (:CRSAGF00123:) {0:0:2} in /u01/app/11.2.0/grid/log/usfhm1-uddbs002/ohasd/ohasd.log. 2013-07-26 14:36:21.450 [ohasd(10334)]CRS-5828:Could not start agent '/u01/app/11.2.0/grid/bin/oraagent'. Details at (:CRSAGF00126:) {0:0:2} in /u01/app/11.2.0/grid/log/usfhm1-uddbs002/ohasd/ohasd.log. And cssd log file:2013-07-26 14:18:43.333: [ CSSD][2360801024]clssnmSendManualShut: Notifying all nodes that this node has been manually shut down 2013-07-26 14:18:43.334: [GIPCHAUP][2145875712] gipchaUpperDisconnect: initiated discconnect umsg 0x7f0b7403c380 { msg 0x7f0b74018ad8, ret gipcretRequestPending (15), flags 0x2 }, msg 0x7f0b74018ad8 { type gipchaMsgTypeDisconnect (5), srcCid 00000000-000213d5, dstCid 00000000-00000c93 }, endp 0x7f0b740155c0 [00000000000213d5] { gipchaEndpoint : port 'gm2_fhminfd-cluster/58a9-0478-e98c-cd4c', peer 'usfhm1-uddbs001:ee59-47b5-f752-316b', srcCid 00000000-000213d5, dstCid 00000000-00000c93, numSend 0, maxSend 100, groupListType 2, hagroup 0x7f0b3c008390, usrFlags 0x4000, flags 0x21c } 2013-07-26 14:18:43.334: [GIPCXCPT][2145875712] gipcObjectCheckF [gipcPostF : gipc.c : 2008]: object 0x7f0b74058740 is dying, ret gipcretInvalidObject (3) 2013-07-26 14:18:43.334: [GIPCXCPT][2145875712] gipcPostF [gipcmodGipcCallback : gipcmodGipc.c : 1831]: EXCEPTION[ ret gipcretInvalidObject (3) ] failed to post obj 00000000000213ea, flags 0x40004000 2013-07-26 14:18:43.334: [GIPCGMOD][2145875712] gipcmodGipcCallback: EXCEPTION[ ret gipcretInvalidObject (3) ] failed during request completion for req (nil), endp 0x7f0b7405e150 Thanks. Lu From: aten t <orionten@xxxxxxxxxxx> To: "lu.jiang69@xxxxxxxxx" <lu.jiang69@xxxxxxxxx>; oracle freelists <oracle-l@xxxxxxxxxxxxx> Sent: Saturday, July 27, 2013 9:40 AM Subject: RE: CRS service can not be started on the second RAC node after GI PSU patching Hi Lu, what does your crs ,cssd log says. Thanks & Regards, Abhijit D. -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l