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关于RAC CRS 自动启动
关于CRS自动重启实验
一.检查ASM
[root@rac1 ~]# /etc/init.d/oracleasm status
Checking if ASM is loaded: yes
Checking if /dev/oracleasm is mounted: yes
[root@rac1 ~]# /etc/init.d/oracleasm listdisks
ASM01
ASM02
ASM03
二.RAC自动启动的时候后台CRS进程
[root@rac1 ~]# ls -l /etc/init.d/init.*
-r-xr-xr-x 1 root root 1951 Aug 20 11:57 /etc/init.d/init.crs
-r-xr-xr-x 1 root root 4722 Aug 20 11:57 /etc/init.d/init.crsd
-r-xr-xr-x 1 root root 35402 Aug 20 11:57 /etc/init.d/init.cssd
-r-xr-xr-x 1 root root 3198 Aug 20 11:57 /etc/init.d/init.evmd
三.我查看一下CRS状态
节点1
[oracle@rac1 ~]# crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.inst application ONLINE ONLINE rac1
ora....B2.inst application ONLINE ONLINE rac2
ora.RACDB.db application ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
节点2
[oracle@rac2 ~]# crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.inst application ONLINE ONLINE rac1
ora....B2.inst application ONLINE ONLINE rac2
ora.RACDB.db application ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
方法：也可以用crs_stat 查看全部进程信息
[root@rac1 bin]# ./crs_stat
NAME=ora.RACDB.RACDB1.inst
TYPE=application
TARGET=ONLINE
STATE=ONLINE on rac1
NAME=ora.RACDB.RACDB2.inst
TYPE=application
TARGET=ONLINE
STATE=ONLINE on rac2
NAME=ora.RACDB.db
TYPE=application
TARGET=ONLINE
STATE=ONLINE on rac1
NAME=ora.rac1.ASM1.asm
TYPE=application
TARGET=ONLINE
STATE=ONLINE on rac1
NAME=ora.rac2.gsd
TYPE=application
TARGET=ONLINE
STATE=OFFLINE on rac2
NAME=ora.rac2.ons
TYPE=application
TARGET=ONLINE
STATE=UNKNOWN on rac2
。。。
1.对于OFFLINE的进程可以手动启动
[root@rac1 bin]# ./crs_start ora.rac2.gsd
Attempting to start `ora.rac2.gsd` on member `rac2`
Start of `ora.rac2.gsd` on member `rac2` succeeded.
2.对于UNKNOWN的进程 可以先./crs_stop .... 后再 ./crs_start
3.如果crs_stop不能结束，crs_start不能启动的进程，解决方式：
3.1 使用crs_stop -f 参数把crs中状态是UNKNOWN的服务关掉，然后再用crs_start -f(加一个-f的参数)启动所有的服务就可以。分别在两个节点上执行。
3.2 转换到root用户下用/etc/init.d/init.crs stop先禁用crs，然后在用/etc/init.d/init.crs start去启用crs,启用crs后会自启动crs的一系列服务，注意：此种方法最好在两节点都执行。 （但我自己做实验只在节点1上也可以）
[root@rac1 ~]# /etc/init.d/init.crs stop
Shutting down Oracle Cluster Ready Services (CRS):
Stopping resources.
Successfully stopped CRS resources
Stopping CSSD.
Shutting down CSS daemon.
Shutdown request successfully issued.
Shutdown has begun. The daemons should exit soon.
[root@rac1 bin]# ./crs_stat -t
CRS-0184: Cannot communicate with the CRS daemon.
[root@rac1 bin]# ./crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.inst application ONLINE ONLINE rac1
ora....B2.inst application ONLINE ONLINE rac2
ora.RACDB.db application ONLINE ONLINE rac2
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
2.查看当前关于crs的进程
[root@rac1 ~]$ ps -ef |grep crs
root 23206 1 0 03:05 ? 00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/crsd.bin restart
oracle 30815 29217 0 03:10 pts/4 00:00:00 grep crs
3.kill 掉crs进程
[root@rac1 ~]# kill -9 23206
[root@rac1 ~]# crs_stat -t
CRS-0184: Cannot communicate with the CRS daemon.
4.此时crs进程秒级的进入boot状态，还有服务init.crsd 运行
[root@rac1 ~]# ps -ef|grep crs
root 430 1 0 03:12 ? 00:00:00 /bin/sh /etc/init.d/init.crsd run
root 507 474 0 03:12 ? 00:00:00 /bin/su -l oracle -c /u01/app/oracle/product/10.2.0/db_1/bin/crsctl check boot > /tmp/crsctl.474
oracle 508 507 0 03:12 ? 00:00:00 -bash -c /u01/app/oracle/product/10.2.0/db_1/bin/crsctl check boot > /tmp/crsctl.474
oracle 539 508 0 03:12 ? 00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/crsctl.bin check boot
root 570 2971 0 03:12 pts/4 00:00:00 grep crs
节点2
[oracle@rac2 ~]$ ps -ef|grep crs
root 4348 1 0 13:56 ? 00:00:01 /u01/app/oracle/product/10.2.0/db_1/bin/crsd.bin reboot
oracle 25981 16487 0 15:16 pts/3 00:00:00 grep crs
[oracle@rac2 ~]$ crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.inst application ONLINE ONLINE rac1
ora....B2.inst application ONLINE ONLINE rac2
ora.RACDB.db application ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
5.再次查看进程 只有init.crsd进程运行
[root@rac1 ~]# ps -ef|grep crs
root 430 1 0 03:12 ? 00:00:00 /bin/sh /etc/init.d/init.crsd run
root 730 2971 0 03:12 pts/4 00:00:00 grep crs
[root@rac1 ~]# ps -ef|grep crs
root 430 1 0 03:12 ? 00:00:00 /bin/sh /etc/init.d/init.crsd run
root 833 2971 0 03:12 pts/4 00:00:00 grep crs
6.一分钟左右查看
[root@rac1 ~]# ps -ef|grep crs
root 430 1 0 03:12 ? 00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/crsd.bin restart
root 4813 2971 0 03:14 pts/4 00:00:00 grep crs
此时的crs 服务已经是启动了
[root@rac1 ~]# crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.inst application ONLINE ONLINE rac1
ora....B2.inst application ONLINE ONLINE rac2
ora.RACDB.db application ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
一.检查ASM
[root@rac1 ~]# /etc/init.d/oracleasm status
Checking if ASM is loaded: yes
Checking if /dev/oracleasm is mounted: yes
[root@rac1 ~]# /etc/init.d/oracleasm listdisks
ASM01
ASM02
ASM03
二.RAC自动启动的时候后台CRS进程
[root@rac1 ~]# ls -l /etc/init.d/init.*
-r-xr-xr-x 1 root root 1951 Aug 20 11:57 /etc/init.d/init.crs
-r-xr-xr-x 1 root root 4722 Aug 20 11:57 /etc/init.d/init.crsd
-r-xr-xr-x 1 root root 35402 Aug 20 11:57 /etc/init.d/init.cssd
-r-xr-xr-x 1 root root 3198 Aug 20 11:57 /etc/init.d/init.evmd
三.我查看一下CRS状态
节点1
[oracle@rac1 ~]# crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.inst application ONLINE ONLINE rac1
ora....B2.inst application ONLINE ONLINE rac2
ora.RACDB.db application ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
节点2
[oracle@rac2 ~]# crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.inst application ONLINE ONLINE rac1
ora....B2.inst application ONLINE ONLINE rac2
ora.RACDB.db application ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
方法：也可以用crs_stat 查看全部进程信息
[root@rac1 bin]# ./crs_stat
NAME=ora.RACDB.RACDB1.inst
TYPE=application
TARGET=ONLINE
STATE=ONLINE on rac1
NAME=ora.RACDB.RACDB2.inst
TYPE=application
TARGET=ONLINE
STATE=ONLINE on rac2
NAME=ora.RACDB.db
TYPE=application
TARGET=ONLINE
STATE=ONLINE on rac1
NAME=ora.rac1.ASM1.asm
TYPE=application
TARGET=ONLINE
STATE=ONLINE on rac1
NAME=ora.rac2.gsd
TYPE=application
TARGET=ONLINE
STATE=OFFLINE on rac2
NAME=ora.rac2.ons
TYPE=application
TARGET=ONLINE
STATE=UNKNOWN on rac2
。。。
1.对于OFFLINE的进程可以手动启动
[root@rac1 bin]# ./crs_start ora.rac2.gsd
Attempting to start `ora.rac2.gsd` on member `rac2`
Start of `ora.rac2.gsd` on member `rac2` succeeded.
2.对于UNKNOWN的进程 可以先./crs_stop .... 后再 ./crs_start
3.如果crs_stop不能结束，crs_start不能启动的进程，解决方式：
3.1 使用crs_stop -f 参数把crs中状态是UNKNOWN的服务关掉，然后再用crs_start -f(加一个-f的参数)启动所有的服务就可以。分别在两个节点上执行。
3.2 转换到root用户下用/etc/init.d/init.crs stop先禁用crs，然后在用/etc/init.d/init.crs start去启用crs,启用crs后会自启动crs的一系列服务，注意：此种方法最好在两节点都执行。 （但我自己做实验只在节点1上也可以）
[root@rac1 ~]# /etc/init.d/init.crs stop
Shutting down Oracle Cluster Ready Services (CRS):
Stopping resources.
Successfully stopped CRS resources
Stopping CSSD.
Shutting down CSS daemon.
Shutdown request successfully issued.
Shutdown has begun. The daemons should exit soon.
[root@rac1 bin]# ./crs_stat -t
CRS-0184: Cannot communicate with the CRS daemon.
[root@rac1 bin]# ./crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.inst application ONLINE ONLINE rac1
ora....B2.inst application ONLINE ONLINE rac2
ora.RACDB.db application ONLINE ONLINE rac2
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
2.查看当前关于crs的进程
[root@rac1 ~]$ ps -ef |grep crs
root 23206 1 0 03:05 ? 00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/crsd.bin restart
oracle 30815 29217 0 03:10 pts/4 00:00:00 grep crs
3.kill 掉crs进程
[root@rac1 ~]# kill -9 23206
[root@rac1 ~]# crs_stat -t
CRS-0184: Cannot communicate with the CRS daemon.
4.此时crs进程秒级的进入boot状态，还有服务init.crsd 运行
[root@rac1 ~]# ps -ef|grep crs
root 430 1 0 03:12 ? 00:00:00 /bin/sh /etc/init.d/init.crsd run
root 507 474 0 03:12 ? 00:00:00 /bin/su -l oracle -c /u01/app/oracle/product/10.2.0/db_1/bin/crsctl check boot > /tmp/crsctl.474
oracle 508 507 0 03:12 ? 00:00:00 -bash -c /u01/app/oracle/product/10.2.0/db_1/bin/crsctl check boot > /tmp/crsctl.474
oracle 539 508 0 03:12 ? 00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/crsctl.bin check boot
root 570 2971 0 03:12 pts/4 00:00:00 grep crs
节点2
[oracle@rac2 ~]$ ps -ef|grep crs
root 4348 1 0 13:56 ? 00:00:01 /u01/app/oracle/product/10.2.0/db_1/bin/crsd.bin reboot
oracle 25981 16487 0 15:16 pts/3 00:00:00 grep crs
[oracle@rac2 ~]$ crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.inst application ONLINE ONLINE rac1
ora....B2.inst application ONLINE ONLINE rac2
ora.RACDB.db application ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
5.再次查看进程 只有init.crsd进程运行
[root@rac1 ~]# ps -ef|grep crs
root 430 1 0 03:12 ? 00:00:00 /bin/sh /etc/init.d/init.crsd run
root 730 2971 0 03:12 pts/4 00:00:00 grep crs
[root@rac1 ~]# ps -ef|grep crs
root 430 1 0 03:12 ? 00:00:00 /bin/sh /etc/init.d/init.crsd run
root 833 2971 0 03:12 pts/4 00:00:00 grep crs
6.一分钟左右查看
[root@rac1 ~]# ps -ef|grep crs
root 430 1 0 03:12 ? 00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/crsd.bin restart
root 4813 2971 0 03:14 pts/4 00:00:00 grep crs
此时的crs 服务已经是启动了
[root@rac1 ~]# crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....B1.inst application ONLINE ONLINE rac1
ora....B2.inst application ONLINE ONLINE rac2
ora.RACDB.db application ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
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