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User Guide
The information contained in this section applies to IBM WebSphere Commerce Version 7.0.0.9 and Feautre Pack 8. The documentation also applies to all subsequent releases and modifications until otherwise indicated in new editions.
Administering
WebSphere Commerce instance
Every WebSphere Commerce installation requires at least one instance to function, and each WebSphere Commerce instance can contain one or more stores.
Starting and stopping WebSphere Commerce and its components
Ensuring that the database is started
Ensuring that the database is started is done differently on each operating system on which a database runs.
... on AIX, Linux, and Solaris operating systems
To ensure an operational WebSphere Commerce environment, the associated DB2 database needs to be active.

Ensuring that the database is started on AIX, Linux, and Solaris operating environment

To ensure an operational WebSphere Commerce environment, the associated DB2 database needs to be active.

Procedure

To ensure that DB2 database is started on AIX, Linux, and Solaris operating environment:
1. Start a command line session.
2. Issue the following command:
```
  ps -ef  | grep db2
```
3. Review the output of the command and ensure the following processes are listed:
```
db2tcpcm
db2srvlst
db2ipccm
db2spmrm
db2sysc
db2wdog
db2tcpdm
db2gds
db2tcpcm
db2sysc
db2ipccm
db2resyn
db2gds
db2wdog
db2spmlw
```
  If any of these processes are not listed after you issue the command, stop and restart DB2 database according to the instructions provided in the DB2 documentation.
To ensure that Oracle is started on AIX, Linux, and Solaris Operating Environment, follow the instructions in the Oracle documentation.