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12c Flex Cluster中心节点和叶节点之间相互转换

时间: 2016-09-25 23:33:56  | 作者: ohsdba  | 
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注意：当把中心节点转化为叶子节点后，这个节点上的ASM，DB等相关服务不会运行，这个是正常现象。在最开始安装时，如果不确定使用HUB/LEAF模式，建议先安装为HUB，相对来说之后调整容易些。


将中心节点转换为叶子节点

获取当前节点角色
crsctl get node role config
[root@ohs3 ~]# ps -ef|grep pmon
oracle    7045     1  0 14:00 ?        00:00:00 ora_pmon_pgold3
root      7357  8573  0 14:00 pts/0    00:00:00 grep pmon
orgrid   25268     1  0 13:20 ?        00:00:00 asm_pmon_+ASM3
[root@ohs3 ~]#
[root@ohs3 ~]# crsctl get node role config
Node 'ohs3' configured role is 'hub'
[root@ohs3 ~]#

改变节点角色
crsctl set node role {hub | leaf}
[root@ohs3 ~]# crsctl set node role leaf
CRS-4408: Node 'ohs3' configured role successfully changed; restart Oracle High Availability Services for new role to take effect.
[root@ohs3 ~]#
[root@ohs3 ~]#


注意：在将叶子节点转化为中心节点时，如果此节点上不存在VIP，需要手动添加，然后继续下面的步骤


关闭集群服务
crsctl stop crs
[root@ohs3 ~]# crsctl stop crs
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'ohs3'
CRS-2673: Attempting to stop 'ora.crsd' on 'ohs3'
CRS-2790: Starting shutdown of Cluster Ready Services-managed resources on 'ohs3'
CRS-2673: Attempting to stop 'ora.LISTENER_SCAN2.lsnr' on 'ohs3'
CRS-2673: Attempting to stop 'ora.DATA_PGOLD.dg' on 'ohs3'
CRS-2673: Attempting to stop 'ora.pgold.db' on 'ohs3'
CRS-2673: Attempting to stop 'ora.FRA_PGOLD.dg' on 'ohs3'
CRS-2673: Attempting to stop 'ora.SYSTEMDG.dg' on 'ohs3'
CRS-2673: Attempting to stop 'ora.LISTENER.lsnr' on 'ohs3'
CRS-2677: Stop of 'ora.DATA_PGOLD.dg' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.FRA_PGOLD.dg' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.SYSTEMDG.dg' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.asm' on 'ohs3'
CRS-2677: Stop of 'ora.LISTENER_SCAN2.lsnr' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.scan2.vip' on 'ohs3'
CRS-2677: Stop of 'ora.LISTENER.lsnr' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.ohs3.vip' on 'ohs3'
CRS-2677: Stop of 'ora.asm' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.ASMNET1LSNR_ASM.lsnr' on 'ohs3'
CRS-2677: Stop of 'ora.ASMNET1LSNR_ASM.lsnr' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.ohs3.vip' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.ohs3.vip' on 'ohs2'
CRS-2677: Stop of 'ora.pgold.db' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.scan2.vip' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.scan2.vip' on 'ohs1'
CRS-2676: Start of 'ora.ohs3.vip' on 'ohs2' succeeded
CRS-2676: Start of 'ora.scan2.vip' on 'ohs1' succeeded
CRS-2672: Attempting to start 'ora.LISTENER_SCAN2.lsnr' on 'ohs1'
CRS-2676: Start of 'ora.LISTENER_SCAN2.lsnr' on 'ohs1' succeeded
CRS-2673: Attempting to stop 'ora.ons' on 'ohs3'
CRS-2677: Stop of 'ora.ons' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.net1.network' on 'ohs3'
CRS-2677: Stop of 'ora.net1.network' on 'ohs3' succeeded
CRS-2792: Shutdown of Cluster Ready Services-managed resources on 'ohs3' has completed
CRS-2677: Stop of 'ora.crsd' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.storage' on 'ohs3'
CRS-2673: Attempting to stop 'ora.gpnpd' on 'ohs3'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'ohs3'
CRS-2677: Stop of 'ora.storage' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.crf' on 'ohs3'
CRS-2673: Attempting to stop 'ora.ctssd' on 'ohs3'
CRS-2673: Attempting to stop 'ora.evmd' on 'ohs3'
CRS-2673: Attempting to stop 'ora.asm' on 'ohs3'
CRS-2677: Stop of 'ora.gpnpd' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.crf' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.ctssd' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.evmd' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.asm' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.cluster_interconnect.haip' on 'ohs3'
CRS-2677: Stop of 'ora.cluster_interconnect.haip' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'ohs3'
CRS-2677: Stop of 'ora.cssd' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.gipcd' on 'ohs3'
CRS-2677: Stop of 'ora.gipcd' on 'ohs3' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'ohs3' has completed
CRS-4133: Oracle High Availability Services has been stopped.
[root@ohs3 ~]# ps -ef|egrep 'd.bin|pmon'
root      8310  8573  0 14:02 pts/0    00:00:00 egrep d.bin|pmon
[root@ohs3 ~]#

$ORACLE_HOME/bin/asmcmd afd_configure(可选步骤)
注意：如果之前没有配置，在将叶子节点转化为中心节点时，需要用root执行$ORACLE_HOME/bin/asmcmd afd_configure配置ASMFD

启动集群服务
crsctl start crs -wait
[root@ohs3 ~]# crsctl start crs -wait
CRS-4123: Starting Oracle High Availability Services-managed resources
CRS-2672: Attempting to start 'ora.mdnsd' on 'ohs3'
CRS-2672: Attempting to start 'ora.evmd' on 'ohs3'
CRS-2676: Start of 'ora.mdnsd' on 'ohs3' succeeded
CRS-2676: Start of 'ora.evmd' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.gpnpd' on 'ohs3'
CRS-2676: Start of 'ora.gpnpd' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.gipcd' on 'ohs3'
CRS-2676: Start of 'ora.gipcd' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.cssdmonitor' on 'ohs3'
CRS-2676: Start of 'ora.cssdmonitor' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.cssd' on 'ohs3'
CRS-2672: Attempting to start 'ora.diskmon' on 'ohs3'
CRS-2676: Start of 'ora.diskmon' on 'ohs3' succeeded
CRS-2676: Start of 'ora.cssd' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.cluster_interconnect.haip' on 'ohs3'
CRS-2672: Attempting to start 'ora.ctssd' on 'ohs3'
CRS-2676: Start of 'ora.cluster_interconnect.haip' on 'ohs3' succeeded
CRS-2676: Start of 'ora.ctssd' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.storage' on 'ohs3'
CRS-2676: Start of 'ora.storage' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.crf' on 'ohs3'
CRS-2676: Start of 'ora.crf' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.crsd' on 'ohs3'
CRS-2676: Start of 'ora.crsd' on 'ohs3' succeeded
CRS-6017: Processing resource auto-start for servers: ohs3
CRS-6016: Resource auto-start has completed for server ohs3
CRS-6024: Completed start of Oracle Cluster Ready Services-managed resources
CRS-4123: Oracle High Availability Services has been started.
[root@ohs3 ~]#
[root@ohs3 ~]#


可以看到变成叶节点后，ASM,DB服务没有起 

[root@ohs3 ~]# ps -ef|grep pmon
root      9673  8573  0 14:06 pts/0    00:00:00 grep pmon
[root@ohs3 ~]#
[root@ohs3 ~]# olsnodes -n -s -t
ohs1    1       Active  Unpinned
ohs2    2       Active  Unpinned
ohs3    3       Inactive        Unpinned
ohs3    100     Active  Unpinned
[root@ohs3 ~]#

手动更新inventory
A.如果你讲中心节点转化为叶子节点，在其他中心节点执行
  /pgold/orgrid/oracle/product/121/oui/bin/runInstaller -updateNodeList ORACLE_HOME=/pgold/orgrid/oracle/product/121 "CLUSTER_NODES={ohs1,ohs2}" -silent -local CRS=TRUE
[orgrid@ohs1 ~]$ /pgold/orgrid/oracle/product/121/oui/bin/runInstaller -updateNodeList ORACLE_HOME=/pgold/orgrid/oracle/product/121 "CLUSTER_NODES={ohs1,ohs2}" -silent -local CRS=TRUE
Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 3605 MB    Passed
The inventory pointer is located at /etc/oraInst.loc
'UpdateNodeList' was successful.
[orgrid@ohs1 ~]$
[orgrid@ohs2 ~]$ /pgold/orgrid/oracle/product/121/oui/bin/runInstaller -updateNodeList ORACLE_HOME=/pgold/orgrid/oracle/product/121 "CLUSTER_NODES={ohs1,ohs2}" -silent -local CRS=TRUE
Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 4093 MB    Passed
The inventory pointer is located at /etc/oraInst.loc
'UpdateNodeList' was successful.
[orgrid@ohs2 ~]$
[orgrid@ohs1 ~]$ cat /pgold/oraInventory/ContentsXML/inventory.xml 
<?xml version="1.0" standalone="yes" ?>
<!-- Copyright (c) 1999, 2014, Oracle and/or its affiliates.
All rights reserved. -->
<!-- Do not modify the contents of this file by hand. -->
<INVENTORY>
<VERSION_INFO>
   <SAVED_WITH>12.1.0.2.0</SAVED_WITH>
   <MINIMUM_VER>2.1.0.6.0</MINIMUM_VER>
</VERSION_INFO>
<HOME_LIST>
<HOME NAME="OraGI12Home1" LOC="/pgold/orgrid/oracle/product/121" TYPE="O" IDX="1" CRS="true">
   <NODE_LIST>
      <NODE NAME="ohs1"/>
      <NODE NAME="ohs2"/>
   </NODE_LIST>
</HOME>
<HOME NAME="OraDB12Home1" LOC="/pgold/ordb/oracle/product/121" TYPE="O" IDX="2">
   <NODE_LIST>
      <NODE NAME="ohs1"/>
      <NODE NAME="ohs2"/>
      <NODE NAME="ohs3"/>
   </NODE_LIST>
</HOME>
</HOME_LIST>
<COMPOSITEHOME_LIST>
</COMPOSITEHOME_LIST>
</INVENTORY>
[orgrid@ohs1 ~]$
  在新的叶子节点上执行
  /pgold/orgrid/oracle/product/121/oui/bin/runInstaller  -updateNodeList ORACLE_HOME=/pgold/orgrid/oracle/product/121 "CLUSTER_NODES={ohs3}" -silent -local CRS=TRUE
[orgrid@ohs3 ~]$ /pgold/orgrid/oracle/product/121/oui/bin/runInstaller  -updateNodeList ORACLE_HOME=/pgold/orgrid/oracle/product/121 "CLUSTER_NODES={ohs3}" -silent -local CRS=TRUE
Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 4086 MB    Passed
The inventory pointer is located at /etc/oraInst.loc
'UpdateNodeList' was successful.
[orgrid@ohs3 ~]$
[orgrid@ohs3 ContentsXML]$ cat /pgold/oraInventory/ContentsXML/inventory.xml 
<?xml version="1.0" standalone="yes" ?>
<!-- Copyright (c) 1999, 2014, Oracle and/or its affiliates.
All rights reserved. -->
<!-- Do not modify the contents of this file by hand. -->
<INVENTORY>
<VERSION_INFO>
   <SAVED_WITH>12.1.0.2.0</SAVED_WITH>
   <MINIMUM_VER>2.1.0.6.0</MINIMUM_VER>
</VERSION_INFO>
<HOME_LIST>
<HOME NAME="OraGI12Home1" LOC="/pgold/orgrid/oracle/product/121" TYPE="O" IDX="1" CRS="true">
   <NODE_LIST>
      <NODE NAME="ohs3"/>
   </NODE_LIST>
</HOME>
<HOME NAME="OraDB12Home1" LOC="/pgold/ordb/oracle/product/121" TYPE="O" IDX="2">
   <NODE_LIST>
      <NODE NAME="ohs1"/>
      <NODE NAME="ohs2"/>
      <NODE NAME="ohs3"/>
   </NODE_LIST>
</HOME>
</HOME_LIST>
<COMPOSITEHOME_LIST>
</COMPOSITEHOME_LIST>
</INVENTORY>
[orgrid@ohs3 ContentsXML]$


将叶子节点转换为中心节点
 

[root@ohs3 ~]# crsctl get node role config
Node 'ohs3' configured role is 'leaf'
[root@ohs3 ~]# crsctl set node role hub
CRS-4408: Node 'ohs3' configured role successfully changed; restart Oracle High Availability Services for new role to take effect.
[root@ohs3 ~]# 
[root@ohs3 ~]# crsctl stop crs
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'ohs3'
CRS-2673: Attempting to stop 'ora.crsd' on 'ohs3'
CRS-2677: Stop of 'ora.crsd' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.storage' on 'ohs3'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'ohs3'
CRS-2673: Attempting to stop 'ora.gpnpd' on 'ohs3'
CRS-2677: Stop of 'ora.storage' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.crf' on 'ohs3'
CRS-2673: Attempting to stop 'ora.ctssd' on 'ohs3'
CRS-2673: Attempting to stop 'ora.evmd' on 'ohs3'
CRS-2673: Attempting to stop 'ora.cluster_interconnect.haip' on 'ohs3'
CRS-2677: Stop of 'ora.cluster_interconnect.haip' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.gpnpd' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.crf' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.ctssd' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.evmd' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'ohs3'
CRS-2677: Stop of 'ora.cssd' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.gipcd' on 'ohs3'
CRS-2677: Stop of 'ora.gipcd' on 'ohs3' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'ohs3' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'ohs3' has completed
CRS-4133: Oracle High Availability Services has been stopped.
[root@ohs3 ~]# 
[root@ohs3 ~]# 
[root@ohs3 ~]# crsctl start crs -wait
CRS-4123: Starting Oracle High Availability Services-managed resources
CRS-2672: Attempting to start 'ora.mdnsd' on 'ohs3'
CRS-2672: Attempting to start 'ora.evmd' on 'ohs3'
CRS-2676: Start of 'ora.mdnsd' on 'ohs3' succeeded
CRS-2676: Start of 'ora.evmd' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.gpnpd' on 'ohs3'
CRS-2676: Start of 'ora.gpnpd' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.gipcd' on 'ohs3'
CRS-2676: Start of 'ora.gipcd' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.cssdmonitor' on 'ohs3'
CRS-2676: Start of 'ora.cssdmonitor' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.cssd' on 'ohs3'
CRS-2672: Attempting to start 'ora.diskmon' on 'ohs3'
CRS-2676: Start of 'ora.diskmon' on 'ohs3' succeeded
CRS-2676: Start of 'ora.cssd' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.cluster_interconnect.haip' on 'ohs3'
CRS-2672: Attempting to start 'ora.ctssd' on 'ohs3'
CRS-2676: Start of 'ora.ctssd' on 'ohs3' succeeded
CRS-2676: Start of 'ora.cluster_interconnect.haip' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.asm' on 'ohs3'
CRS-2676: Start of 'ora.asm' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.storage' on 'ohs3'
CRS-2676: Start of 'ora.storage' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.crf' on 'ohs3'
CRS-2676: Start of 'ora.crf' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.crsd' on 'ohs3'
CRS-2676: Start of 'ora.crsd' on 'ohs3' succeeded
CRS-6017: Processing resource auto-start for servers: ohs3
CRS-2672: Attempting to start 'ora.net1.network' on 'ohs3'
CRS-2672: Attempting to start 'ora.ASMNET1LSNR_ASM.lsnr' on 'ohs3'
CRS-2676: Start of 'ora.net1.network' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.ons' on 'ohs3'
CRS-2673: Attempting to stop 'ora.ohs3.vip' on 'ohs2'
CRS-2677: Stop of 'ora.ohs3.vip' on 'ohs2' succeeded
CRS-2672: Attempting to start 'ora.ohs3.vip' on 'ohs3'
CRS-2676: Start of 'ora.ASMNET1LSNR_ASM.lsnr' on 'ohs3' succeeded
CRS-2676: Start of 'ora.ons' on 'ohs3' succeeded
CRS-2673: Attempting to stop 'ora.LISTENER_SCAN2.lsnr' on 'ohs1'
CRS-2677: Stop of 'ora.LISTENER_SCAN2.lsnr' on 'ohs1' succeeded
CRS-2673: Attempting to stop 'ora.scan2.vip' on 'ohs1'
CRS-2677: Stop of 'ora.scan2.vip' on 'ohs1' succeeded
CRS-2672: Attempting to start 'ora.scan2.vip' on 'ohs3'
CRS-2676: Start of 'ora.ohs3.vip' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.LISTENER.lsnr' on 'ohs3'
CRS-2676: Start of 'ora.LISTENER.lsnr' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.asm' on 'ohs3'
CRS-2676: Start of 'ora.scan2.vip' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.LISTENER_SCAN2.lsnr' on 'ohs3'
CRS-2676: Start of 'ora.LISTENER_SCAN2.lsnr' on 'ohs3' succeeded
CRS-2676: Start of 'ora.asm' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.DATA_PGOLD.dg' on 'ohs3'
CRS-2672: Attempting to start 'ora.FRA_PGOLD.dg' on 'ohs3'
CRS-2676: Start of 'ora.DATA_PGOLD.dg' on 'ohs3' succeeded
CRS-2672: Attempting to start 'ora.pgold.db' on 'ohs3'
CRS-2676: Start of 'ora.FRA_PGOLD.dg' on 'ohs3' succeeded
CRS-2676: Start of 'ora.pgold.db' on 'ohs3' succeeded
CRS-6016: Resource auto-start has completed for server ohs3
CRS-6024: Completed start of Oracle Cluster Ready Services-managed resources
CRS-4123: Oracle High Availability Services has been started.
[root@ohs3 ~]# 
[root@ohs3 ~]# 
[root@ohs3 ~]# su - orgrid
[orgrid@ohs3 ~]$ /pgold/orgrid/oracle/product/121/oui/bin/runInstaller  -updateNodeList ORACLE_HOME=Oracle_home "CLUSTER_NODES={ohs1,ohs2,ohs3}" -silent -local CRS=TRUE
Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 4084 MB    Passed
The inventory pointer is located at /etc/oraInst.loc
'UpdateNodeList' failed.
[orgrid@ohs3 ~]$ ps -ef|grep pmon
orgrid   16475     1  0 14:29 ?        00:00:00 asm_pmon_+ASM3
oracle   16623     1  0 14:29 ?        00:00:00 ora_pmon_pgold3
orgrid   17549 17316  0 14:31 pts/0    00:00:00 grep pmon
[orgrid@ohs3 ~]$

B.如果你讲叶子节点转化为中心节点，在所有的中心节点上执行

/pgold/orgrid/oracle/product/121/oui/bin/runInstaller  -updateNodeList ORACLE_HOME=/pgold/orgrid/oracle/product/121 "CLUSTER_NODES={ohs1,ohs2,ohs3}" -silent -local CRS=TRUE 


[orgrid@ohs1 ~]$ /pgold/orgrid/oracle/product/121/oui/bin/runInstaller  -updateNodeList ORACLE_HOME=/pgold/orgrid/oracle/product/121 "CLUSTER_NODES={ohs1,ohs2,ohs3}" -silent -local CRS=TRUE
Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 3740 MB    Passed
The inventory pointer is located at /etc/oraInst.loc
'UpdateNodeList' was successful.
[orgrid@ohs1 ~]$ 
[orgrid@ohs1 ~]$ 
[orgrid@ohs1 ~]$ 
[orgrid@ohs1 ~]$ cat /pgold/oraInventory/ContentsXML/inventory.xml
<?xml version="1.0" standalone="yes" ?>
<!-- Copyright (c) 1999, 2014, Oracle and/or its affiliates.
All rights reserved. -->
<!-- Do not modify the contents of this file by hand. -->
<INVENTORY>
<VERSION_INFO>
   <SAVED_WITH>12.1.0.2.0</SAVED_WITH>
   <MINIMUM_VER>2.1.0.6.0</MINIMUM_VER>
</VERSION_INFO>
<HOME_LIST>
<HOME NAME="OraGI12Home1" LOC="/pgold/orgrid/oracle/product/121" TYPE="O" IDX="1" CRS="true">
   <NODE_LIST>
      <NODE NAME="ohs1"/>
      <NODE NAME="ohs2"/>
      <NODE NAME="ohs3"/>
   </NODE_LIST>
</HOME>
<HOME NAME="OraDB12Home1" LOC="/pgold/ordb/oracle/product/121" TYPE="O" IDX="2">
   <NODE_LIST>
      <NODE NAME="ohs1"/>
      <NODE NAME="ohs2"/>
      <NODE NAME="ohs3"/>
   </NODE_LIST>
</HOME>
</HOME_LIST>
<COMPOSITEHOME_LIST>
</COMPOSITEHOME_LIST>
</INVENTORY>
[orgrid@ohs1 ~]$


Reference

http://docs.oracle.com/database/121/CWADD/bigcluster.htm#CWADD92647



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