HP-UX 10.20 System Requirements

For general system requirements for updating, please see Chapter 1 “Before You Install ”.

Update and Upgrade Paths

You can use the SD-UX tools to update your OS to HP-UX 10.20 from either 10.10 or 10.01. For upgrades from 9.0x, see the manual Upgrading from HP-UX 9.x to 10.01. You can also use SD-UX to install or update applications.

Memory and Disk Space Requirements

HP-UX 10.20, including NFS and LAN/9000, requires 32 MB of RAM.
Before you begin the update, you should be sure your target disk has the space needed to accommodate the new OS as well as your data files and all needed backups on disk. HP-UX 10.20 requires 271 MB, including NFS, LAN software and X Windows. ACE can require 50-100 MB more. This means you should plan on a minimum of 625 MB for a server system. Disk usage numbers will vary with the SD-UX installation by a factor of 20%.
In general, the Disk Space Analysis phase of swinstall will warn you if disk space is insufficient. However, Disk Space Analysis does not currently check /var/adm/sw, where the database is kept, for temporary space usage.
If you are running your system as LVM and /var comprises a single volume, be sure you have configured adequate space in the /var volume to accommodate the update files. Update requires a minimum amount of free disk space of at least 20 MB to allow for the generation of the installed software database, among other things.
1. Determine your free disk space in /var by running bdf /var and bdf /var/tmp. The default temporary directory is /var/tmp.
2. Delete any files in this volume that you don't need.
3. If necessary, set the environment variable TMPDIR to point to a directory that has sufficient space. For example (for a directory dir):
  TMPDIR=/dir
  After setting this variable, export it, and kill and restart the swagentd process.
  /usr/sbin/swagentd -r
4. Ensure that your system has at least 30 MB of swap enabled before starting the update process. You can use swapinfo -mt and check the total free MB of swap space. Or you can use SAM to see how much swap you currently have. If you do not have enough swap, you can enable filesystem swap for the duration of the update (until system reboot) by using the following command:
  /usr/sbin/swapon /var/tmp
  The directory /var/tmp can be used if there is sufficient free space. If /var/tmp is full, then specify a different volume that has enough free space to satisfy the swap space requirement.
  Alternatively, you can shut down unneeded programs to make more memory and swap space available. This also improves performance, especially in 16 MB systems.
Before updating, you may wish to use /usr/sbin/swremove to remove unneeded filesets from your system. You can use the freedisk tool on a system which has been active for a time to detect unused filesets.

For More Information on Space Requirements

Refer to the current System Administration Tasks manual and the Release Notes for HP-UX 10.20 for additional information on peripherals and disk space.

CD-ROMs Used

See the section "Booting from Media, in Chapter 2 of this manual for the complete list of media.




	NOTE: If you are updating any networking products, such as FDDI or Token-Ring, which are not on the HP-UX or the CORE CD, please see “Networking Products on Additional Media”.

Starting the Source Media

Note that your multi-user license is typically supplied on separate media.
Ensure that you have made a backup tape of your present system.
Ensure that your system is booted and running HP-UX 10.x. You should have a term window opened.
Turn on the DDS, QIC, or CD-ROM drive, if it is external to your HP-UX 10.x system.
Insert the tape or CD-ROM into its drive.
Wait for the busy lights to stop blinking.
If necessary, identify the drive device, using the /etc/ioscan -fn command.
If you are using a tape source, you do not need to mount the drive. Go on to the procedure in “Updating SD-UX Before Installing/Updating Software ”.
If you are using a CD-ROM, note that you will first have to mount the disc, using SAM or the mount(1M) command. If you do not use SAM, you can do the following to mount the disc:
1. Put the CD into the CD-ROM drive. CD-ROM "busy light" should blink.
2. Open a term window and, at the shell prompt, type the following:
  mkdir /SD_CDROM Enter If not created by cold install already.
  mount /dev/dsk/c1t2d0 /SD_CDROM Enter
  The device name "c1t2d0" should be replaced with whatever device name you found using ioscan in item 7 above.

HP-UX 10.20 System Requirements

Technical documentation

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Update and Upgrade Paths

Memory and Disk Space Requirements

For More Information on Space Requirements

CD-ROMs Used

Starting the Source Media