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Version: $Date$ (debian - 07/07/09)

Section: 5 (Format de fichier)


hostgroup - host group entry file format


A host group entry is used to merge host names to groups. Each host group entry file defines one group. Inside a group definition file you can also reference to groups. These groups are called subgroups. A subgroup is referenced by the sign "@" as first character of the name.

A list of currently configured host group entries can be displayed via the -shgrpl option. The contents of each enlisted host group entry can be shown via the -shgrp switch. The output follows the hostgroup format description. New host group entries can be created and existing can be modified via the -ahgrp, -mhgrp, -dhgrp and -?attr options to

Note, Sun Grid Engine allows backslashes (\) be used to escape newline (\newline) characters. The backslash and the newline are replaced with a space (" ") character before any interpretation.


A host group entry contains following parameters:


The group_name defines the host group name. Host group names have to begin with an '@' character as explained for hostgroup_name in


The name of all hosts and host groups (see host_identifier in which are member of the group. As list separators white-spaces are supported only. Default value for this parameter is NONE.

Note, if the first character of the host_identifier is an "@" sign the name is used to reference a which is taken as sub group of this group.


This is a typical host group entry:

group_name @bigMachines

hostlist @solaris64 @solaris32 fangorn balrog

The entry will define a new host group called @bigMachines. In this host group are the host fangorn, balrog and all members of the host groups @solaris64 and @solaris32.


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