Disk space

These sizes are representative and might not be the same on all systems:

Fresh installation type

For a default Fresh installation, the SCO OpenServer Host System requires 400MB, the SCO OpenServer Desktop System requires 450MB, the SCO OpenServer Enterprise System requires at least 500MB, and Internet Services requires at least 500MB of hard disk space. In each case, 15MB is reserved for /stand, and swap space is an additional requirement. French and German language support require 17MB per language.

To accommodate more than one graphical user, we strongly recommend that you specify swap space that is 150% to 200% as large as the RAM in your system. For non-graphical systems, we recommend swap space that is 150% as large as the system's RAM. The default minimum swap space presented during installation is 24MB.

The root filesystem is no longer limited to the first 1024 cylinders of the hard disk and can be made much larger than the (approximately) 500MB of space required to accommodate the software installation. The layout of the root filesystem can be controlled manually at installation using the Interactive disk setup; for more information, see ``Partitioning the hard disk using fdisk (Interactive installation)'' in the SCO OpenServer Handbook. The /stand (boot) filesystem must be large enough to hold three kernels, plus some extra software. It defaults to 15MB; we strongly recommend at least 10MB.

The following products all require additional space in the root filesystem:

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 For                                       Add
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 SCO Virtual Disk Manager                  1MB
 SCO Symmetrical Multiprocessing Support   1MB
 SCO OpenServer Development System         51MB

For more information, see the Release Notes for these specific products.

Preserve hard disk setup

Within a Fresh installation, you can choose the Preserve hard disk setup (see ``Choosing an upgrade path'' in Chapter 2 of the SCO OpenServer Handbook). For a Preserve setup, the required disk space on the root filesystem is the same as given in the information on Fresh installation type in ``Disk space'', plus the amount of swap space already configured on the system. The recommended space goes entirely to the root filesystem; Preserve does not create a /stand filesystem.

Upgrade installation type

For an Upgrade installation, your new system software will be installed either in the root filesystem (the default) if there is enough free space in that filesystem, or in root and another filesystem with free space. If you do not have enough free space in root, the installation procedure will automatically detect this and prompt you to relocate parts of your new software. If your total disk space is insufficient, see ``Adding a disk for an upgrade''.

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CAUTION: Once you choose to relocate software during installation, you will not be able to reverse this action from within the current installation procedure. To cancel software relocation, abort the current installation procedure, reboot the system, and select the Fresh installation type.

Before you proceed with software relocation, carefully read ``About the Upgrade installation type'' in Chapter 2 of the SCO OpenServer Handbook. Relocating software to the wrong filesystem can cause serious problems.

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To install the SCO OpenServer product entirely in the root filesystem, you must have at least as much free space as listed for your scenario in this table:

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 To upgrade from                      To SCO OpenServer   Free
 Release 5.0.0, 5.0.2, 5.0.4, 5.0.5   Release 5.0.6       space
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 SCO Open Server Enterprise System    Enterprise System   200MB
 SCO OpenServer Desktop System        Enterprise System   180MB
 SCO OpenServer Host System           Enterprise System   100MB

If you do not have enough free space in the root filesystem and choose to proceed with the installation by allowing software to be relocated into another filesystem with enough free space, you will still need 50MB of free space plus 17MB per language in your root filesystem, plus the amount listed above for your upgrade scenario.

If you intend to install software beyond the basic system configuration, you need additional space in the root filesystem, as specified in the table of additional disk space.

If you have additional system software on the root filesystem before the upgrade, increase the minimum required root filesystem space by the amount used by that additional software.

For example, if the system from which you are upgrading has the SCO OpenServer Development System installed, you will need an additional 51MB of space for your root filesystem.

If you upgrade a system that has the Localized Desktop installed, both the French and German language support products will be installed. Therefore, in such an upgrade, make sure you have sufficient disk space for both language support products.

See also ``Upgrading from an earlier SCO OpenServer Release 5 system''.

   DEFBOOTSTR=hd(40)unix swap=hd(41) dump=hd(41) root=hd(42)