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This article is about how to uninstall grid software. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

When installing grid, the grid software needs to be uninstalled and reinstalled for some reason, and the following information is collected on the Internet:

In previous versions of Oracle 11gR2, uninstall CRS and oracle database need to delete some things manually, from the oracle 11gR2 version to add deinstall command can uninstall grid and database,new oui version no longer support uninstall, can delete very clean, if you need to delete manually, the deinstall command will also be prompted.

There are two ways to delete oracle home and grid home

1. Use the installed $ORACLE_HOME/deinstall/deinstall command

2. The media name of the deinstall tool downloaded from the official website of oracle is aix.ppc64_11gR2_deinstall.zip.

Execute the first method directly, go to $ORACLE_HOME/deinstall/ and execute deinstall

Cd $ORACLE_HOME/deinstall/

. / deinstall

Checking for required files and bootstrapping... Please wait... Location of logs/ tmp/deinstall2010-03-05mm 12-32-34-PM/logs/# ORACLE DEINSTALL & DECONFIG TOOL START # # CHECK OPERATION START # Install check configuration STARTChecking for existence of the Oracle home location / gridOracle Home type selected for de-install is: CRSOracle Base selected for de-install is: / oracleChecking for existence of central inventory location / oracle/oraInventoryChecking for existence of the Oracle Grid Infrastructure homeThe following nodes are part of this cluster: p570a P570bInstall check configuration ENDTraces log file: / tmp/deinstall2010-03-05 / 12-32-34-PM/logs//crsdc.logEnter an address or the name of the virtual IP used on node "p570a" [p570a-vip] > The following information can be collected by running ifconfig-an on node "p570a" Enter the IP netmask of Virtual IP "192.168.128.12" on node "p570a" [255.255.255.0] > Enter the network interface name on which the virtual IP address "192.168.128.12" is active > Enter An address or the name of the virtual IP used on node "p570b" [p570b-vip] > The following information can be collected by running ifconfig-an on node "p570b" Enter the IP netmask of Virtual IP "192.168.128.13" on node "p570b" [255.255.255.0] > Enter the network interface name on which the virtual IP address "192.168.128.13" is active > Enter an address or the name of the virtual IP [] > Network Configuration check config STARTNetwork de-configuration trace file location: / tmp/deinstall2010-03- 0513-32-34-PM/logs/netdc_check3943047409382157255.logNetwork Configuration check config ENDAsm Check Configuration STARTASM de-configuration trace file location: / tmp/deinstall2010-03-05-12-32-34-PM/logs/asmcadc_check8859913828659895984.logASM configuration was not detected in this Oracle home. Was ASM configured in this Oracle home (y | n) [n]: yIs OCR/Voting Disk placed in ASM y | n [n]: yEnter the OCR/Voting Disk diskgroup name []: Specify the ASM Diagnostic Destination []: Specify the diskgroups that are managed by this ASM instance []: # CHECK OPERATION END # # # CHECK OPERATION SUMMARY # Oracle Grid Infrastructure Home is:The cluster node (s) on which the Oracle home exists are: (Please input nodes seperated by " ", eg: node1,node2,...) p570aMagol p570b Oracle Home selected for de-install is: / gridInventory Location where the Oracle home registered is: / oracle/oraInventoryASM instance will be de-configured from this Oracle homeDo you want to continue (y-yes, n-no)? [n]: yA log of this session will be written to:'/ tmp/deinstall2010-03-05mm 12-32-34-PM/logs/deinstall_deconfig2010-03-05mm 12-33-38-PM.out'Any error messages from this session will be written to:'/ tmp/deinstall2010-03-05mm 12-32-34-PM/logs/deinstall_deconfig2010-03-05mm 12-33-38-PM.err'# # CLEAN OPERATION START # ASM de-configuration trace file location: / tmp/deinstall2010-03-05 / 12-32-34-PM/logs/asmcadc_clean6608625374089856517.logASM Clean Configuration STARTASM Clean Configuration ENDNetwork Configuration clean config STARTNetwork de-configuration trace file location: / tmp/deinstall2010-03-05 / 12-32-34-PM/logs/netdc_clean5624344075530317905.logDe-configuring Naming Methods configuration file on all nodes.. .Naming Methods configuration file de-configured successfully.De-configuring Local Net Service Names configuration file on all nodes...Local Net Service Names configuration file de-configured successfully.De-configuring Directory Usage configuration file on all nodes...Directory Usage configuration file de-configured successfully.De-configuring backup files on all nodes...Backup files de-configured successfully.The network configuration has been cleaned up successfully.Network Configuration clean config END-- -> Run the following command as the root user or the administrator on node "p570a". / tmp/deinstall2010-03-05mm 12-32-34-PM/perl/bin/perl-I/tmp/deinstall2010-03-05mm 12-32-34-PM/perl/lib-I/tmp/deinstall2010-03-05mm 12-32-34-PM/crs/install/ tmp/deinstall2010-03-05mm 12-32-34-PM/crs/install/rootcrs.pl-force -delete-paramfile / tmp/deinstall2010-03-05mm 12-32-34-PM/response/deinstall_Ora11g_gridinfrahome1.rspPress Enter after you finish running the above commands

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