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运行root.sh 如下
[root@rac2 crs]# ./root.sh
WARNING: directory '/u01' is not owned by root
Checking to see if Oracle CRS stack is already configured
Oracle CRS stack is already configured and will be running under init（1M）
其实是 因为存储设备和上次安装的设备文件名称不一致
把下面的文件删除在重新运行即可
[root@rac2 crs]# rm /etc/oracle/scls_scr/rac2/oracle/cssfatal
2、dd设备文件
安装rac 在第二个节点一直卡在
Waiting for the Oracle CRSD and EVMD to start
Waiting for the Oracle CRSD and EVMD to start
Waiting for the Oracle CRSD and EVMD to start
Waiting for the Oracle CRSD and EVMD to start
后来发现是因为voting disk和ocr没有清除干净，oracle给的是：
dd if=/dev/zero of=/dev/raw/raw1 bs=8192 count=12800
3、通常在最后一个节点执行root.sh时会遇到错误
CSS is active on these nodes.
node1
node2
CSS is active on all nodes.
Waiting for the Oracle CRSD and EVMD to start
Waiting for the Oracle CRSD and EVMD to start
Oracle CRS stack installed and running under init（1M）
Running vipca（silent） for configuring nodeapps
/u01/app/oracle/product/10.2.0/crs/jdk/jre//bin/java: error while loading shared libraries: libpthread.so.0: cannot open shared object file: No such file or directory
出现以下报错，各节点修改以下参数就可以：
[root@node2 bin]# vi /u01/app/oracle/product/10.2.0/crs/bin/vipca
if [ "$arch" = "i686" -o "$arch" = "ia64" ]
then
LD_ASSUME_KERNEL=2.4.19
export LD_ASSUME_KERNEL
fi
unset LD_ASSUME_KERNEL ------添加的行
#End workaround
;;
[root@node2 bin]# vi /u01/app/oracle/product/10.2.0/crs/bin/srvctl
LD_ASSUME_KERNEL=2.4.19
export LD_ASSUME_KERNEL
unset LD_ASSUME_KERNEL ------添加的行
[root@node1 bin]# vi /u01/app/oracle/product/10.2.0/crs/bin/vipca
if [ "$arch" = "i686" -o "$arch" = "ia64" ]
then
LD_ASSUME_KERNEL=2.4.19
export LD_ASSUME_KERNEL
fi
unset LD_ASSUME_KERNEL ------添加的行
#End workaround
;;
[root@node1 bin]# vi /u01/app/oracle/product/10.2.0/crs/bin/srvctl
LD_ASSUME_KERNEL=2.4.19
export LD_ASSUME_KERNEL
unset LD_ASSUME_KERNEL ------添加的行
在节点2再次执行下面操作：
[root@node2 bin]# /u01/app/oracle/product/10.2.0/crs/root.sh
4、
ASM: Device is already labeled for ASM disk
当一块磁盘或分区已经被一个DataGroup用过，此时想用这块磁盘或分区重新生成Asmlib生成Oracle磁盘设备时即会报标题的错。
类似如下：
oracle@vvfs$ /etc/init.d/oracleasm createdisk VOL1 /dev/sda1
Marking disk "/dev/sda1" as an ASM disk: asmtool:
Device "/dev/sda1" is already labeled for ASM disk "" [FAILED]
oracle@vvfs$ /etc/init.d/oracleasm deletedisk VOL1
Removing ASM disk "VOL1" [FAILED]
解决问题其实很简单，把磁盘头清一下就可以了：
dd if=/dev/zero of=<your_raw_device> bs=1024 count=100
现在操作就该正常了：
oracle@vvfs$ dd if=/dev/zero of=/dev/sda1 bs=1024 count=100
100+0 records in
100+0 records out
oracle@vvfs$ /etc/init.d/oracleasm createdisk VOL /dev/sda1
Marking disk "/dev/sda1" as an ASM disk: [ OK ]
5、Error 0（Native: listNetInterfaces:[3]）
[Error 0（Native: listNetInterfaces:[3]）]
[root@node2 bin]# ./oifcfg iflist
eth1 10.10.17.0
virbr0 192.168.122.0
eth0 192.168.100.0
[root@node2 bin]# ./oifcfg setif -global eth0/192.168.100.0:public
[root@node2 bin]# ./oifcfg setif -global eth1/10.10.17.0:cluster_interconnect
[root@node2 bin]# ./oifcfg getif
eth0 192.168.100.0 global public
eth1 10.10.17.0 global cluster_interconnect
在节点上重新运行 crs/bin/install/rootdelete.sh
然后在运行 crs/bin/root.sh
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