2.5.1 Installation problems

(a) Solution

When installing NNMi in Linux, you are not allowed to select the location where binary data is installed ($OV_INST_DIR) or the location where data files are installed ($OV_DATA_DIR). These locations are set as follows in the initial configuration:

• OV_INST_DIR=/opt/OV

• OV_DATA_DIR=/var/opt/OV

If there is insufficient disk space in either /opt/OV or /var/opt/OV, improve availability with either of the following methods:

1. If necessary, uninstall NNMi.

2. Create a symbolic link from the installation target to a partition that has sufficient disk space to install the binary data, and save the data files. The syntax for creating symbolic links is as follows:

   ln -s large-disk /opt/OV

   ln -s large-disk /var/opt/OV

   Important

   • Set the access permission for the parent directory at the installation site to 555 or higher.

3. Install NNMi.

(a) Solution

The NNMi installation script automatically creates two groups (nmsgrp and nmsdb), two users (nmsproc and nmsdbmgr), and the corresponding $HOME directories. This operation might fail for either of the following reasons:

• Users and groups cannot be created because useradd or groupadd was disabled by the IT department.

• The root user cannot create a $HOME directory because the $HOME directory exists on NFS.

Installation stops whenever the NNMi installer is unable to create these groups, users, or directories. In such a case, you can create the users manually and restart the installation.

1. Create the nmsproc user in the nmsgrp group.

   Set the $HOME directory to any directory that exists.

2. Create the nmsdbmgr user in the nmsdb group.

   Set the $HOME directory to any directory that exists.

If you know that these operations will fail but you need to control user IDs, group IDs, or the locations of $HOME, you can first create the groups, users, and $HOME directories, and then start the installer.

When the useradd command is used to create a user, the default home directory will be /home/user-name.