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 HP-UX 11i v1 Installation and Update Guide: HP Servers and Workstations > Chapter 2 System Requirements for Cold-Installing and Updating

How to Plan Your Disk Space Needs
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This section provides hints and information to help you determine your disk needs for HP-UX 11i v1. If you need more disk space, be sure to order the equipment and plan on installing it after backing up your current system.

  • Record the hardware path to the CD or DVD drive.

  • Develop a clear configuration plan, including:

    • File system sizes

    • Swap space size

    • Dump device

    • Disk and file system parameters

    • Mirroring information

  • If installing application programs other than those supplied within an HP-UX 11i v1 Operating Environment (OE), consider the vendor’s size recommendations.

  • When planning disk space, refer to these documents:

    • Managing Systems and Workgroups: A Guide for HP-UX System Administrators — This manual is available on the Instant Information CD and at the HP Technical Documentation Web site:

      http://docs.hp.com

    • Disk and File Management Tasks on HP-UX — Prentice-Hall, Hewlett-Packard Professional Books, 1997.

Disk Space Allocation for File Partitions

Depending on your system’s purpose, you may need to determine how much disk space you will need for each file partition before you cold-install or update to HP-UX 11i v1. For example, if you plan to install applications from other vendors, you may need to modify the size of the /opt partition to accommodate their size.

Disk Space Requirements for a Cold-Install

Table 2-1 “File Partition Disk Space Allocation by Operating Environment” lists the amount of disk space allocated for the indicated partitions during a default cold-install for each Operating Environment. (The percentage used in each partition is in parentheses.)

Table 2-1 File Partition Disk Space Allocation by Operating Environment[1]

Partition

FOE

EOE

MCOE

TCOE

MTOE

/

208 MB
(78% used)

208 MB
(81% used)

208 MB
(81% used)

208 MB
(77% used)

223 MB
(83% used)

/stand

304 MB
(21% used)

304 MB
(21% used)

304 MB
(21% used)

304 MB
(21% used)

300 MB
(23% used)

/var

4.5 GB
(2% used)

4.5 GB
(2% used)

4.5 GB
(2% used)

4.5 GB
(2% used)

1.5 GB
(6% used)

/usr

2.6 GB
(76% used)

2.7 GB
(75% used)

2.7 GB
(75% used)

3.7 GB
(61% used)

3.7 GB
(62% used)

/tmp

208 MB
(4% used)

208 MB
(4% used)

208 MB
(4% used)

208 MB
(4% used)

200 MB
(4% used)

/opt

3.6 GB
(52% used)

3.7 GB
(53% used)

3.7 GB
(53% used)

4.5 GB
(58% used)

2.7 GB
(63% used)

/home

32 MB
(26% used)

32 MB
(26% used)

32 MB
(26% used)

32 MB
(26% used)

20 MB
(41% used)

Total[2]

11.5 GB
(37% used)

11.7 GB
(37% used)

11.7 GB
(36% used)

13.5 GB
(38% used)

8.7 GB
(50% used)

[1] The results are from using the bdf(1M) command; your results may vary if you use the du(1) command.

[2] Totals are not exact due to rounding.

 

Depending on how much disk space is available, you can change the partition size to meet your needs. For information about modifying your file system, refer to Managing Systems and Workgroups: A Guide for HP-UX System Administrators at the HP Technical Documentation Web site:

http://docs.hp.com/hpux/os/11i/index.html

Disk Space Requirements for an Update

To ensure a successful update to HP-UX 11i v1, make sure that you have at least as much disk space allocated to the file partitions listed in Table 2-1 “File Partition Disk Space Allocation by Operating Environment”, and that each partition (most importantly, /usr, /opt, and /var) has at least 10-20 percent free space to allow for any growth. Additionally, make sure that you have at least 1 GB allocated for /swap.

Extra Space Needed with TCOE and MTOE

Cold-installing or updating the HP-UX 11i v1 Technical Computing OE (TCOE) and the Minimal Technical OE (MTOE) installs all CDE languages rather than just a selected language.

To remove unneeded CDE language bundles after installing the TCOE or MTOE, list them using swlist and remove unneeded bundles using swremove. You can also choose to deselect unneeded bundles during the installation process. For information on how to deselect software bundles that are installed by default during a cold-install, see “Task 4: Deselecting OE Software Bundles”. For information on how to deselect software bundles that are installed by default during an update, see “Task 3: Using update-ux (Required)”.

See Chapter 8 “Verifying System Install or Update” for examples of swlist and swremove. Refer to the HP-UX 11i v1 Release Notes for software dependencies:

http://docs.hp.com/hpux/os/11iv1



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