节点二：
[oracle@rac2 ~]$ crs_stat -t
CRS-0184: Cannot communicate with the CRS daemon
节点一：
[root@rac1 ~]# crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora.DATA.dg ora....up.type ONLINE ONLINE rac1
ora.FRA.dg ora....up.type ONLINE ONLINE rac1
ora....ER.lsnr ora....er.type ONLINE ONLINE rac1
ora....N1.lsnr ora....er.type ONLINE ONLINE rac1
ora....TING.dg ora....up.type ONLINE ONLINE rac1
ora.asm ora.asm.type ONLINE ONLINE rac1
ora.cvu ora.cvu.type ONLINE ONLINE rac1
ora.dave.db ora....se.type ONLINE ONLINE rac1
ora.gsd ora.gsd.type OFFLINE OFFLINE
ora....network ora....rk.type ONLINE ONLINE rac1
ora.oc4j ora.oc4j.type ONLINE ONLINE rac1
ora.ons ora.ons.type ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application OFFLINE OFFLINE
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip ora....t1.type ONLINE ONLINE rac1
ora.rac2.vip ora....t1.type ONLINE ONLINE rac1
ora.scan1.vip ora....ip.type ONLINE ONLINE rac1
查看节点二alert日志：
tail -150f alertrac2.log | less
2013-08-17 09:26:08.534
[ctssd(2257)]CRS-2405:The Cluster Time Synchronization Service on host rac2 is shutdown by user
2013-08-17 09:26:17.886
[ctssd(2265)]CRS-2401:The Cluster Time Synchronization Service started on host rac2.
2013-08-17 09:26:17.887
[ctssd(2265)]CRS-2407:The new Cluster Time Synchronization Service reference node is host rac1.
2013-08-17 09:26:22.222
[ctssd(2265)]CRS-2404:The Cluster Time Synchronization Service detects that the local time is significantly different from the mean cluster time. Details in /u01/app/grid/11.2.0/log/rac2/ctssd/octssd.log.
2013-08-17 09:26:22.493
[ctssd(2265)]CRS-2402:The Cluster Time Synchronization Service aborted on host rac2. Details at in /u01/app/grid/11.2.0/log/rac2/ctssd/octssd.log.
2013-08-17 09:26:34.347
[ctssd(2284)]CRS-2401:The Cluster Time Synchronization Service started on host rac2.
2013-08-17 09:26:34.347
[ctssd(2284)]CRS-2407:The new Cluster Time Synchronization Service reference node is host rac1.
2013-08-17 09:26:52.911
节点二octssd.log日志：
[root@rac2 cssd]# tail -f /u01/app/grid/11.2.0/log/rac2/ctssd/octssd.log
2013-08-17 10:10:23.046: [ CTSS][1231296256]ctssslave_msg_handler4_1: Waiting for slave_sync_with_master to finish sync process. sync_state[3].
2013-08-17 10:10:23.047: [ CTSS][1227093760]ctssslave_swm2_3: Received time sync message from master.
2013-08-17 10:10:23.047: [ CTSS][1227093760]ctssslave_swm: The magnitude [37935421] of the offset [37935421 usec] is larger than [10000000 usec] which is the CTSS limit that can be synced up in a short period.
2013-08-17 10:10:23.047: [ CTSS][1227093760]ctssslave_swm: The magnitude of the systime diff is larger than max adjtime limit. Offset [37935421] usec will be changed to max adjtime limit [+/- 131071].
2013-08-17 10:10:23.047: [ CTSS][1227093760]ctssslave_swm15: The CTSS master is behind this node. The local time offset [-131071 usec] is being adjusted. Sync method [2]
2013-08-17 10:10:23.047: [ CTSS][1227093760]ctssslave_swm17: LT [1376705423sec 46690usec], MT [1376705385sec 140716013630117usec], Delta [14739usec]
2013-08-17 10:10:23.047: [ CTSS][1227093760]ctssslave_swm19: The offset is [131071 usec] and sync interval set to [4]
2013-08-17 10:10:23.047: [ CTSS][1227093760]ctssslave_swm: Received from master (mode [0xcc] nodenum [1] hostname [rac1] )
2013-08-17 10:10:23.047: [ CTSS][1231296256]ctssslave_msg_handler4_3: slave_sync_with_master finished sync process. Exiting clsctssslave_msg_handler
2013-08-17 10:10:23.047: [ CTSS][1227093760]ctsselect_msm: Sync interval returned in [4]
2013-08-17 10:10:24.056: [ CTSS][1227093760]ctsselect_msm: CTSS mode is [0xc4]
2013-08-17 10:10:24.057: [ CTSS][1227093760]ctssslave_swm1_2: Ready to initiate new time sync process.
2013-08-17 10:10:24.059: [ CTSS][1227093760]ctssslave_swm2_1: Waiting for time sync message from master. sync_state[2].
2013-08-17 10:10:24.070: [ CTSS][1231296256]ctsscomm_recv_cb2: Receive incoming message event. Msgtype [2].
2013-08-17 10:10:24.070: [ CTSS][1231296256]ctssslave_msg_handler4_1: Waiting for slave_sync_with_master to finish sync process. sync_state[3].
2013-08-17 10:10:24.070: [ CTSS][1227093760]ctssslave_swm2_3: Received time sync message from master.
从日志看两个节点时间不同步，时间差超过CTSS的限制。
2013-08-17 10:10:23.047: [ CTSS][1227093760]ctssslave_swm: The magnitude [37935421] of the offset [37935421 usec] is larger than [10000000 usec] which is the CTSS limit that can be synced up in a short period.
SQL> select 10000000/1000000 from dual;
10000000/1000000
----------------
10
SQL> select 37935421/1000000 from dual;
37935421/1000000
----------------
37.935421
同步两节点时间后：
[root@rac2 ~]# crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora.DATA.dg ora....up.type ONLINE ONLINE rac1
ora.FRA.dg ora....up.type ONLINE ONLINE rac1
ora....ER.lsnr ora....er.type ONLINE ONLINE rac1
ora....N1.lsnr ora....er.type ONLINE ONLINE rac1
ora....TING.dg ora....up.type ONLINE ONLINE rac1
ora.asm ora.asm.type ONLINE ONLINE rac1
ora.cvu ora.cvu.type ONLINE ONLINE rac1
ora.dave.db ora....se.type ONLINE ONLINE rac1
ora.gsd ora.gsd.type OFFLINE OFFLINE
ora....network ora....rk.type ONLINE ONLINE rac1
ora.oc4j ora.oc4j.type ONLINE ONLINE rac1
ora.ons ora.ons.type ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application OFFLINE OFFLINE
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip ora....t1.type ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application OFFLINE OFFLINE
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip ora....t1.type ONLINE ONLINE rac2
ora.scan1.vip ora....ip.type ONLINE ONLINE rac1