[INS-40719]IP address configured for Single Client Access Name(SCAN):test-pdb.xxxxxx is already assi

原因是SCAN分配的IP被占用，因为我是配置在DNS，所以修改DNS中对应的IP为未使用后关掉OUI重新安装OK

• 节点1

[grid@pdb1 ~]$ cd $ORACLE_HOME/deinstall
[grid@pdb1 deinstall]$ ll
total 84
-rwxr-xr-x 1 grid oinstall  9780 May 10  2011 bootstrap.pl*
-rwxr-xr-x 1 grid oinstall  9645 Dec 15 17:06 deinstall*
-rwxr-xr-x 1 grid oinstall 18841 Jan 29  2013 deinstall.pl*
-rw-r--r-- 1 grid oinstall  3466 Aug 18  2010 deinstall.xml
drwxr-xr-x 2 grid oinstall    61 Dec 15 17:05 jlib/
-rw-r--r-- 1 grid oinstall   409 Aug 18  2010 readme.txt
drwxr-xr-x 2 grid oinstall    32 Dec 15 17:05 response/
-rwxr-xr-x 1 grid oinstall 32343 Dec 16  2009 sshUserSetup.sh*
[grid@pdb1 deinstall]$ ./deinstall
Checking for required files and bootstrapping ...
Please wait ...
Location of logs /tmp/deinstall2020-12-16_02-53-12PM/logs/

############ ORACLE DEINSTALL & DECONFIG TOOL START ############


######################### CHECK OPERATION START #########################
## [START] Install check configuration ##


Checking for existence of the Oracle home location /u01/app/11.2.0.4/grid
Oracle Home type selected for deinstall is: Oracle Grid Infrastructure for a Cluster
Oracle Base selected for deinstall is: /u01/app/grid
Checking for existence of central inventory location /u01/app/oraInventory
Checking for existence of the Oracle Grid Infrastructure home /u01/app/11.2.0.4/grid
The following nodes are part of this cluster: pdb1,pdb2
Checking for sufficient temp space availability on node(s) : 'pdb1,pdb2'

## [END] Install check configuration ##

Traces log file: /tmp/deinstall2020-12-16_02-53-12PM/logs//crsdc.log

Network Configuration check config START

Network de-configuration trace file location: /tmp/deinstall2020-12-16_02-53-12PM/logs/netdc_check2020-12-16_02-53-30-PM.log

Specify all RAC listeners (do not include SCAN listener) that are to be de-configured [LISTENER_SCAN2,LISTENER_SCAN1]:

Network Configuration check config END

Asm Check Configuration START

ASM de-configuration trace file location: /tmp/deinstall2020-12-16_02-53-12PM/logs/asmcadc_check2020-12-16_02-55-28-PM.log

ASM configuration was not detected in this Oracle home. Was ASM configured in this Oracle home (y|n) [n]: y
Is OCR/Voting Disk placed in ASM y|n [n]: y

Enter the OCR/Voting Disk diskgroup name []: OCR
Specify the ASM Diagnostic Destination [ ]:
Specify the diskstring []:
Specify the diskgroups that are managed by this ASM instance []:


######################### CHEC