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使用DBCA创建新库的时候报错：
查看资源状态：
$ crsctl stat res -t
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NAME TARGET STATE SERVER STATE_DETAILS
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Local Resources
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ora.DATA.dg
ONLINE ONLINE rac11g1
OFFLINE OFFLINE rac11g2
ora.FRA.dg
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.LISTENER.lsnr
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.OCR.dg
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.asm
ONLINE ONLINE rac11g1 Started
ONLINE ONLINE rac11g2 Started
ora.gsd
OFFLINE OFFLINE rac11g1
OFFLINE OFFLINE rac11g2
ora.net1.network
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.ons
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.registry.acfs
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE rac11g1
ora.cvu
1 ONLINE ONLINE rac11g1
ora.oc4j
1 ONLINE ONLINE rac11g1
ora.rac11g1.vip
1 ONLINE ONLINE rac11g1
ora.rac11g2.vip
1 ONLINE ONLINE rac11g2
ora.scan1.vip
1 ONLINE ONLINE rac11g1
可以发现，在第二节点，资源ora.DATA.dg处于offline状态。
使用asmcmd查看也没做发现磁盘组data：
$ asmcmd ASMCMD> ls -l State Type Rebal Name MOUNTED EXTERN N FRA/ MOUNTED NORMAL N OCR/ ASMCMD>
解决方法:
重新mount一下没发现的磁盘组data
SQL> alter diskgroup data mount;
再次查看资源的状态，发现已经处于online状态：
$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.DATA.dg
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.FRA.dg
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.LISTENER.lsnr
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.OCR.dg
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.asm
ONLINE ONLINE rac11g1 Started
ONLINE ONLINE rac11g2 Started
ora.gsd
OFFLINE OFFLINE rac11g1
OFFLINE OFFLINE rac11g2
ora.net1.network
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.ons
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
ora.registry.acfs
ONLINE ONLINE rac11g1
ONLINE ONLINE rac11g2
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE rac11g1
ora.cvu
1 ONLINE ONLINE rac11g1
ora.oc4j
1 ONLINE ONLINE rac11g1
ora.rac11g1.vip
1 ONLINE ONLINE rac11g1
ora.rac11g2.vip
1 ONLINE ONLINE rac11g2
ora.scan1.vip
1 ONLINE ONLINE rac11g1
然后可以继续安装！
补充：
也有人遇到类似问题，通过以下方法解决了问题
To find out diskgroup resource status: $GRID_HOME/bin/srvctl status diskgroup -g diskgroupname -a To start or sync diskgroup resource: $GRID_HOME/bin/srvctl start diskgroup -g diskgroupname
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原文地址：http://www.cnblogs.com/abclife/p/5714508.html
