Oracle 11g RAC 停机之后启动rac 时报 CRS-0184: Cannot communicate with the CRS daemon.

# ./crs_stat -t
CRS-0184: Cannot communicate with the CRS daemon.检查日志# pwd
/u01/app/11.2.0/grid/log/expquery01/crsd
# tail -200 crsd.log | more
....
2013-10-03 05:35:48.659: [ CRSD][1] ENV Logging level for Module: UiServer 0
2013-10-03 05:35:48.659: [ CRSMAIN][1] Checking the OCR device
2013-10-03 05:35:48.660: [ CRSMAIN][1] Sync-up with OCR
2013-10-03 05:35:48.660: [ CRSMAIN][1] Connecting to the CSS Daemon
2013-10-03 05:35:48.660: [ CRSMAIN][1] Getting local node number
2013-10-03 05:35:48.660: [ CRSMAIN][3] Policy Engine is not initialized yet！
2013-10-03 05:35:48.661: [ CRSMAIN][1] Initializing OCR
[ CLWAL][1]clsw_Initialize: OLR initlevel [70000]
2013-10-03 05:35:49.134: [ OCRASM][1]proprasmo: Error in open/create file in dg [DATA]
[ OCRASM][1]SLOS : SLOS: cat=8, opn=kgfoOpen01, dep=15056, loc=kgfokge2013-10-03 05:35:49.134: [ OCRASM][1]ASM Error Stack :
2013-10-03 05:35:49.221: [ OCRASM][1]proprasmo: kgfoCheckMount returned [6]
2013-10-03 05:35:49.221: [ OCRASM][1]proprasmo: The ASM disk group DATA is not found or not mounted
2013-10-03 05:35:49.222: [ OCRRAW][1]proprioo: Failed to open [+DATA]. Returned proprasmo（） with [26]. Marking location as UNAVAILABLE.
2013-10-03 05:35:49.222: [ OCRRAW][1]proprioo: No OCR/OLR devices are usable
2013-10-03 05:35:49.222: [ OCRASM][1]proprasmcl: asmhandle is NULL
2013-10-03 05:35:49.223: [ GIPC][1] gipcCheckInitialization: possible incompatible non-threaded init from [prom.c : 690], original from [clsss.c : 5326]
2013-10-03 05:35:49.226: [ default][1]clsvactversion:4: Retrieving Active Version from local storage.
2013-10-03 05:35:49.228: [ CSSCLNT][1]clssgsgrppubdata: group （ocr_expquer-cluster） not found2013-10-03 05:35:49.228: [ OCRRAW][1]proprio_repairconf: Failed to retrieve the group public data. CSS ret code [20]
2013-10-03 05:35:49.251: [ OCRRAW][1]proprioo: Failed to auto repair the OCR configuration.
2013-10-03 05:35:49.251: [ OCRRAW][1]proprinit: Could not open raw device
2013-10-03 05:35:49.251: [ OCRASM][1]proprasmcl: asmhandle is NULL
2013-10-03 05:35:49.253: [ OCRAPI][1]a_init:16！: Backend init unsuccessful : [26]
2013-10-03 05:35:49.254: [ CRSOCR][1] OCR context init failure. Error: PROC-26: Error while accessing the physical storage2013-10-03 05:35:49.254: [ CRSMAIN][1] Created alert : （:CRSD00111:） : Could not init OCR, error: PROC-26: Error while accessing the physical storage2013-10-03 05:35:49.254: [ CRSD][1][PANIC] CRSD exiting: Could not init OCR, code: 26
2013-10-03 05:35:49.254: [ CRSD][1] Done.
问题判断：可能是停机之后服务器比存储先起来，导致crs启动的时候未找到存储。
尝试解决方案：重启服务器结果： reboot 每个节点之后，crs正常启动，然后成功开启每个实例。推荐阅读：使用RMAN的Duplicate功能创建物理DataGuard http://www.linuxidc.com/Linux/2012-04/59330.htmOracle基础教程之通过RMAN复制数据库 http://www.linuxidc.com/Linux/2013-07/87072.htmRMAN备份策略制定参考内容 http://www.linuxidc.com/Linux/2013-03/81695.htmRMAN备份学习笔记 http://www.linuxidc.com/Linux/2013-03/81892.htmOracle数据库备份加密 RMAN加密 http://www.linuxidc.com/Linux/2013-03/80729.htm通过RMAN备份duplicate创建DataGuard http://www.linuxidc.com/Linux/2013-08/89225.htm更多Oracle相关信息见Oracle 专题页面 http://www.linuxidc.com/topicnews.aspx？tid=12CentOS 6.4安装Oracle 11.2问题总结ORA-19606: Cannot copy or restore to snapshot control file相关资讯 Oracle 11g RAC CRS-0184

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