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OracleRAC数据库个别资源不能自动启动

 最近处理过好几个关于RAC在重启时个别资源无法启动,例instance、tns等。

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资源情况如下:

--------------------------------------------------------------------------------

NAME           TARGET  STATE        SERVER                   STATE_DETAILS      

--------------------------------------------------------------------------------

Local Resources

--------------------------------------------------------------------------------

ora.CRS.dg

               ONLINE  ONLINE       resdb1                                      

               ONLINE  ONLINE       resdb2                                       

ora.DATA.dg

               ONLINE  ONLINE       resdb1                                      

               ONLINE  ONLINE       resdb2                                      

ora.LISTENER.lsnr

               OFFLINE OFFLINE       resdb1                                      

               OFFLINE OFFLINE       resdb2                                      

ora.asm

               ONLINE  ONLINE       resdb1                   Started            

               ONLINE  ONLINE       resdb2                   Started            

ora.gsd

               OFFLINE OFFLINE      resdb1                                      

               OFFLINE OFFLINE      resdb2                                      

ora.net1.network

               ONLINE  ONLINE       resdb1                                      

               ONLINE  ONLINE       resdb2                                      

ora.ons

               ONLINE  ONLINE       resdb1                                      

               ONLINE  ONLINE       resdb2                                      

ora.registry.acfs

               ONLINE  ONLINE       resdb1                                      

               ONLINE  ONLINE       resdb2                                       

--------------------------------------------------------------------------------

Cluster Resources

--------------------------------------------------------------------------------

ora.LISTENER_SCAN1.lsnr

      1        ONLINE  ONLINE       resdb1                                       

ora.cvu

      1        ONLINE  ONLINE       resdb2                                      

ora.oc4j

      1        ONLINE  ONLINE       resdb1                                      

ora.resdb.db

      1        OFFLINE OFFLINE       resdb1                                  

      2        OFFLINE OFFLINE       resdb2     

 

从上面状态信息可以看出,resdb数据库的resdb1和resdb2两个实例及监听的TARGET和STATE值都为OFFLINE。

  而大多数初级DBA在关闭数据库和监听是基本都是sqlplus shut immediate,这样以来就会出现上边的问题。(这样会导致cluster无法正常管理资源)

查看

查看每个资源属性的值如下:

NAME=ora.LISTENER.lsnr

TYPE=ora.listener.type

ACL=owner:grid:rwx,pgrp:oinstall:rwx,other::r--

ACTION_FAILURE_TEMPLATE=

ACTION_SCRIPT=%CRS_HOME%/bin/racgwrap%CRS_SCRIPT_SUFFIX%

AGENT_FILENAME=%CRS_HOME%/bin/oraagent%CRS_EXE_SUFFIX%

ALIAS_NAME=ora.%CRS_CSS_NODENAME_LOWER_CASE%.LISTENER_%CRS_CSS_NODENAME_UPPER_CASE%.lsnr

AUTO_START=restore----此属性

CHECK_INTERVAL=60

CHECK_TIMEOUT=120

DEFAULT_TEMPLATE=PROPERTY(RESOURCE_CLASS=listener) PROPERTY(LISTENER_NAME=PARSE(%NAME%, ., 2))

DEGREE=1

DESCRIPTION=Oracle Listener resource

ENABLED=1

ENDPOINTS=TCP:1521

LOAD=1

LOGGING_LEVEL=1

NAME=ora.resdb.db

TYPE=ora.database.type

ACL=owner:oracle:rwx,pgrp:oinstall:r--,other::r--,group:dba:r-x,group:oper:r-x,user:grid:r-x

ACTION_FAILURE_TEMPLATE=

ACTION_SCRIPT=

ACTIVE_PLACEMENT=1

AGENT_FILENAME=%CRS_HOME%/bin/oraagent%CRS_EXE_SUFFIX%

AUTO_START=restore----此属性

CARDINALITY=2

CHECK_INTERVAL=1

CHECK_TIMEOUT=30

CLUSTER_DATABASE=true

避免此问题发生,可修改如下属性:(root用户)

./crsctl modify resource "ora.LISTENER.lsnr" -attr "AUTO_START=always"

./crsctl modify resource "ora.resdb.db" -attr "AUTO_START=always"

而10G数据库的crs和11G还是有一定差别的。

10G 的属性如下:

$ crs_stat -p

NAME=ora.dba.LISTENER_RACDB1.lsnr

TYPE=application

ACTION_SCRIPT=/oracle/oracle10g/bin/racgwrap

ACTIVE_PLACEMENT=0

AUTO_START=1

CHECK_INTERVAL=600

.......

NAME=ora.dbb.LISTENER_RACDB2.lsnr

TYPE=application

ACTION_SCRIPT=/oracle/oracle10g/bin/racgwrap

ACTIVE_PLACEMENT=0

AUTO_START=1

CHECK_INTERVAL=600

DESCRIPTION=CRS application for listener on node

NAME=ora.RACDB.db

TYPE=application

ACTION_SCRIPT=/oracle/crs10g/bin/racgwrap

ACTIVE_PLACEMENT=0

AUTO_START=1

CHECK_INTERVAL=600

NAME=ora.RACDB.RACDB1.inst

TYPE=application

ACTION_SCRIPT=/oracle/oracle10g/bin/racgwrap

ACTIVE_PLACEMENT=0

AUTO_START=1

NAME=ora.RACDB.RACDB2.inst

TYPE=application

ACTION_SCRIPT=/oracle/oracle10g/bin/racgwrap

ACTIVE_PLACEMENT=0

AUTO_START=1

属性说明:

AUTO_START值

0,表示:启动到资源重启之前的状态
1,表示:启动资源
2,表示:不启动资源

可以用如下命令进行修改

crs_register resource_name -update -o as=2  ---(root下)

一般在安装11GR2 RAC时,有经验的dba都会对资源属性进行修改

如:

./crsctl modify res ora.crf -attr AUTO_START=never

./crsctl modify res ora.crf ENABLE=0 –init

./crsctl modify resource "ora.LISTENER.lsnr" -attr "AUTO_START=always"

./crsctl modify resource "ora.racdb.db" -attr "AUTO_START=always"


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