Log in as root.
List all DB2 instances:
bash# /usr/IBMdb2/V7.1/instance/db2ilist
stop db2
db2stop
Drop each instance listed in the previous step with the following command:
bash# /usr/ibmdb2/v7.1/instance/db2idrop instance-name
Drop the DB2 administration server:
bash# /usr/IBMdb2/V7.1/instance/dasidrop `/usr/IBMdb2/V7.1/instance/dasilist`
Uninstall all of the DB2 packages on your system using the db2deinstall command on your DB2 CD-ROM:
bash# /mnt/cdrom/db2/db2_deinstall -n
or execute the following cmd:
db2unins -f
db2unins - Uninstall DB2 database product command
Uninstalls one or more DB2 database products. db2unins can be found both in the installation media and in a DB2 install copy on the system. If ran from the installation
media, only the -f, -l, -t and -? parameters
can be used. If ran from a DB2 install copy, all the options can be used.
Authorization
sysadm.
Required connection
None.
Command syntax
>>-db2unins-----------------------------------------------------> >--+------------------------------------------------------------------+->< +-+- -d--------------------------------------------+--+----------+-+ | '-+- -f-------------------------------+--+-----+-' '- -l-- -t-' | | '- -p--products-- -u--response-file-' '- -y-' | '- -?--------------------------------------------------------------'
Command parameters
Running the db2unins command without any of the -?, -d, -p or -u parameters
will result in the removal of all DB2 database products under the current installation directory.
- -d
- Displays the products that are installed in the current DB2 copy on the system. This option is only available when executed from an installed copy of a DB2 database product.
- -f
- Performs a brute force uninstallation of all DB2 database products on the system. The db2unins -f command can be issued from either the installation media or
an install copy on your machine. Your system will reboot when you successfully issue db2unins -f. It can only be issued if there are no DB2 products prior to version 9 installed on the system. - -p products
- Specifies the products that should be uninstalled where products is a semicolon separated list of the abbreviations for DB2 database products
enclosed in double quotes. For example, -p “ESE”;“PE”;“QP”. This option is only available when executed from an installed copy of a DB2 database product. - -u response-file
- Performs an uninstallation based on what is specified in response-file. This option is also used to perform a silent uninstallation and
is only available when executed from an installed copy of a DB2 database product. - -y
- Ensures that no confirmation is done during the uninstallation process.
- -l
- Specifies the location of the log file.
- -t
- Turns on the trace functionality. The trace file will be used for debugging problems with the db2unins command.
- -?
- Displays help for the db2unins