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HP-UX 11i Version 2 May 2005 Release Notes: HP 9000 Servers, HP Integrity Servers, and HP Workstations > Chapter 5 General System Administration

Node and Host Name Expansion

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The optional Node and Host Name Expansion (NodeHostNameXpnd) product bundle, revision B.11.23.01, provides you with the ability to set node and host names up to 255 bytes.

This product is available on Software Pack (SPK) for HP-UX 11i v2 May 2005. (For more information about SPK, see “Software Pack (Optional HP-UX 11i v2 Core Enhancements)”.)

Summary of Change

Without NodeHostNameXpnd, node names are limited to 8 bytes, and host names are limited to 64 bytes. With NodeHostNameXpnd, node and host names can be expanded to 255 bytes each.

Impact

This product allows you to set longer node and host names for your HP-UX 11i v2 systems.

Compatibility

If you choose to load only the May 2005 version of this feature, without doing a complete update to the May 2005 version of HP-UX 11i v2, you must first load the September 2004 version of HP-UX 11i v2.

The default HP-UX system parameters ensure that node and host names do not exceed the compatible lengths of 8 and 64 bytes, respectively. The NodeHostNameXpnd product bundle includes a new system tunable parameter by which you can enable the system to accept node and host names up to 255 bytes in length.

Setting node and host names longer than 8 or 64 bytes, respectively, can cause some applications that use the node and/or host names to exhibit anomalous behavior or fail. HP strongly recommends that you understand all NodeHostNameXpnd documentation (manpages and the “Node and Host Name Sizes on HP-UX” whitepaper) before enabling the system to accept longer names.

The whitepaper “Node and Host Name Sizes on HP-UX” can be found at /usr/share/doc/NodeHostNameSize.pdf following installation of the NodeHostNameXpnd optional product bundle. The whitepaper can also be found on the Software Pack media at /DOCS/NodeHostNameXpnd/NodeHostNameSize.pdf.

The NodeHostNameXpnd product bundle is supported only on the HP-UX 11i v2 operating system.

See also “HP Serviceguard ”.

Performance

This product does not affect system performance.

Documentation

The following manpages, and possibly others, have been updated with the NodeHostNameXpnd product bundle:

The following manpages, and possibly others, are new with the bundle:

The NodeHostNameXpnd bundle includes the whitepaper “Node and Host Name Sizes on HP-UX,” which can be found at /usr/share/doc/NodeHostNameSize.pdf following installation of the bundle. The whitepaper can also be found on the Software Pack media at /DOCS/NodeHostNameXpnd/NodeHostNameSize.pdf.

Also see the following related information in this Release Notes document:

Obsolescence

Not applicable.

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