oracle10g rac中的节点上crs无法启动？
环境说明： oracle10gr2 linux5.3
之前遇到的一个问题。rac中的节点1突然没法用了，检查后发现是crs服务没有启动。
错误：
[root@rac1 bin]# ./crsctl check crs
Failure 1 contacting CSS daemon
Cannot communicate with CRS
Cannot communicate with EVM
下面是我的排错过程和相关日志。。
首先我查看了ClusterWare日志：
#more alertrac1.log
2014-12-05 12:56:52.752
[client(20064)]CRS-1006:The OCR location /dev/raw/raw1 is inaccessible. Details in /u01/oracle/OraCrs10g_home/log/rac1/cl
ient/clscfg_23344.log.
在查看
[oracle@rac1 rac1]$ more client/clscfg_23344.log
Oracle Database 10g CRS Release 10.2.0.1.0 Production Copyright 1996, 2005 Oracle. All rights reserved.
2015-01-04 19:25:15.523: [ OCROSD][3801381760]utread:3: problem reading buffer afb8000 buflen 512 retval 0 phy_offset 10
2400 retry 0
2015-01-04 19:25:15.523: [ OCROSD][3801381760]utread:4: problem reading the buffer errno 2 errstring No such file or dir
ectory
2015-01-04 19:25:15.524: [ OCROSD][3801381760]utread:3: problem reading buffer afba000 buflen 4096 retval 0 phy_offset 1
02400 retry 0
2015-01-04 19:25:15.524: [ OCROSD][3801381760]utread:4: problem reading the buffer errno 2 errstring No such file or dir
ectory
2015-01-04 19:25:15.524: [ OCRRAW][3801381760]propriogid:1: INVALID FORMAT
2015-01-04 19:25:15.524: [ OCROSD][3801381760]utread:3: problem reading buffer afba000 buflen 4096 retval 0 phy_offset 1
02400 retry 0
-----------------------分割线--------
小弟我也看不太懂到底问题出在了那， 但是感觉好像是OCR设备在写的时候发生了错误。于是我查看了rac1的ocr文件
[oracle@rac1 oracle]$ more ocr.loc
ocrconfig_loc=/u01/oracle/OraCrs10g_home/cdata/localhost/local.ocr
local_only=TRUE
发现这个文件是错的，于是我该过来，和rac2上改成一样的。rac2是正常的。
[root@rac1 rac1]# more /etc/oracle/ocr.loc
ocrconfig_loc=/dev/raw/raw1
local_only=FALSE
重新启动rac1机器，还是没法启动crs。
之前遇到的一个问题。rac中的节点1突然没法用了，检查后发现是crs服务没有启动。
错误：
[root@rac1 bin]# ./crsctl check crs
Failure 1 contacting CSS daemon
Cannot communicate with CRS
Cannot communicate with EVM
下面是我的排错过程和相关日志。。
首先我查看了ClusterWare日志：
#more alertrac1.log
2014-12-05 12:56:52.752
[client(20064)]CRS-1006:The OCR location /dev/raw/raw1 is inaccessible. Details in /u01/oracle/OraCrs10g_home/log/rac1/cl
ient/clscfg_23344.log.
在查看
[oracle@rac1 rac1]$ more client/clscfg_23344.log
Oracle Database 10g CRS Release 10.2.0.1.0 Production Copyright 1996, 2005 Oracle. All rights reserved.
2015-01-04 19:25:15.523: [ OCROSD][3801381760]utread:3: problem reading buffer afb8000 buflen 512 retval 0 phy_offset 10
2400 retry 0
2015-01-04 19:25:15.523: [ OCROSD][3801381760]utread:4: problem reading the buffer errno 2 errstring No such file or dir
ectory
2015-01-04 19:25:15.524: [ OCROSD][3801381760]utread:3: problem reading buffer afba000 buflen 4096 retval 0 phy_offset 1
02400 retry 0
2015-01-04 19:25:15.524: [ OCROSD][3801381760]utread:4: problem reading the buffer errno 2 errstring No such file or dir
ectory
2015-01-04 19:25:15.524: [ OCRRAW][3801381760]propriogid:1: INVALID FORMAT
2015-01-04 19:25:15.524: [ OCROSD][3801381760]utread:3: problem reading buffer afba000 buflen 4096 retval 0 phy_offset 1
02400 retry 0
-----------------------分割线--------
小弟我也看不太懂到底问题出在了那， 但是感觉好像是OCR设备在写的时候发生了错误。于是我查看了rac1的ocr文件
[oracle@rac1 oracle]$ more ocr.loc
ocrconfig_loc=/u01/oracle/OraCrs10g_home/cdata/localhost/local.ocr
local_only=TRUE
发现这个文件是错的，于是我该过来，和rac2上改成一样的。rac2是正常的。
[root@rac1 rac1]# more /etc/oracle/ocr.loc
ocrconfig_loc=/dev/raw/raw1
local_only=FALSE
重新启动rac1机器，还是没法启动crs。