User`s guide
Oracle Database Preinstallation Requirements
3-10 Oracle Database Installation and Administration Guide
The
inst_group
parameter shows the group name of your former Oracle Database
installation, here
oracle
.
■ To determine if this group is defined with a unique group-id, enter the following
command:
$ grep 'oracle' /etc/group
If the output shows the group name and a group-id greater than 100, then the
group exists.
If the group-id is 100, then you must change the id to a distinct value greater than
100, for example, 104.
If the group cannot be found in
/etc/group,
then ask your POSIX administrator
or BS2000 system administrator to add the group name and a unique group
number to the file
/etc/group
. The administrator must use a text editor, such as
edt
or
vi
to add a new line with the following specifications:
groupname::groupnumber:user-id[,user-id,...]
The following example shows a line in the file
/etc/group
for the group
oracle
:
oracle::104:ORAC1120,ORADB11G
Add further installation user IDs and all DBA user IDs to the line with the Oracle
group-id.
3.3.4.3 Initializing the POSIX User
Before using the installation user ID as a POSIX user, the POSIX administrator or
BS2000 system administrator must initialize the POSIX user with the following
command:
/ADD-POSIX-USER USER-NAME=user-id,USER-NUMBER=nnn,GROUP-NUMBER=oracle group
number,HOME-DIRECTORY=path[,RLOGIN-ACCOUNT=account]
Consider the following requirements:
■ The
USER-NAME
is the installation user ID.
■ The
USER-NUMBER
must be unique and greater than 100.
■ The
GROUP-NUMBER
must be the number of the Oracle installation group and greater
than 100.
■ The
HOME-DIRECTORY
must be a valid path. Do not use a path which resides in the
root
or
var
file system. It is strictly recommended to create a separate file system
for the POSIX users. An example for a valid
HOME-DIRECTORY
is
/home/orac1120
where
/home
is the mount point of a POSIX file system.
■ The
RLOGIN-ACCOUNT
can be specified if you allow the remote access by using
rlogin
or
ssh
.
3.3.4.4 Creating Users and Groups for Oracle Databases
Typically Oracle databases in BS2000/OSD reside in BS2000 user IDs not equal to the
Oracle database installation user ID. If you create a new DBA user ID for a new Oracle
database, then you must also initialize the POSIX user in the same way as described in
"Initializing the POSIX User". If you want to upgrade an existing Oracle database, then
you must check if the POSIX user is initialized for the DBA user ID with the following
BS2000 command: