Install > Preinstallation tasks > System requirements for installation > Check the SA Global File System (OGFS) requirements

Check the SA Global File system (OGFS) requirements

This section discusses requirements for SA’s Global File System (OGFS). The OGFS represents objects in the platform data model (such as facilities, customers, and device groups) and information available on platform managed devices (such as the configuration setting on a managed network device or the file system of a managed server) as a hierarchical structure of file directories and text files.

OGFS store and audit hosts

When you run the SA Installer interviewer in advanced mode, you can specify values for the ogfs.store.host.ip and ogfs.audit.host.ip parameters. If you set either of these parameters to point to a host that does not run the Slice Component bundle (which contains OGFS and the Software repository), then perform the following steps on the host you do specify:

  1. With mkdir, create the directories that you specified for the ogfs.store.path and ogfs.audit.path parameters.
  2. Modify the export tables.
    Note: In these examples, the Slice Component bundle is installed on two separate hosts within the same core.

    On a Linux host, modify the /etc/exports file, such as:

    # Begin Opsware ogfs export
    /export/ogfs/store 1.2.3.4(rw,no_root_squash,sync) \
    1.2.3.5(rw,no_root_squash,sync)
    /export/ogfs/audit 1.2.3.4(rw,no_root_squash,sync) \
    1.2.3.5(rw,no_root_squash,sync)
    # End Opsware ogfs exports

    where 1.2.3.4 and 1.2.3.5 are example IP addresses of the two Slice Component bundle hosts and where /export/ogfs/store and /export/ogfs/audit are corresponding paths that exist on the host from where you are exporting the OGFS data.

  3. After you add new entries to the export tables, export the directories or restart the Network File System using standard system procedures.
Note: Remember to verify that the NFS Daemon starts when the system reboots. If your security policies require that NFS services be disabled, in order to install the Slice Component bundle on Linux systems you will need to configure the services nfs, nfslock to start the services and netfs to ensure that network (remote) filesystems are mounted after the network is available. Slice Component bundle installation will fail otherwise. The services can be disabled again after installation.

Name Service Caching Daemon (nscd) and OGFS

If the Name Service Caching Daemon (nscd) runs on the same server as the Slice Component bundle, then users cannot open a global shell session with a direct ssh connection. If ncsd is running on the Slice Component bundle server, the Installer turns it off and runs the chkconfig nscd off command to prevent it from starting after a reboot. No action is required.