LSF Version 7.3 - Platform LSF Configuration Reference

Default
N (the specified host group is not condensed)
GROUP_MEMBER
Description
A space-delimited list of host names or previously defined host group names, enclosed in one
pair of parentheses.
You cannot use more than one pair of parentheses to define the list.
The names of hosts and host groups can appear on multiple lines because hosts can belong to
multiple groups. The reserved name all specifies all hosts in the cluster. An exclamation mark
(!) indicates an externally-defined host group, which the egroup executable retrieves.
Pattern definition
You can use string literals and special characters when defining host group members. Each
entry cannot contain any spaces, as the list itself is space delimited.
When a leased-in host joins the cluster, the host name is in the form of host@cluster. For these
hosts, only the host part of the host name is subject to pattern definitions.
You can use the following special characters to specify host group members:
•
Use a tilde (~) to exclude specified hosts or host groups from the list.
•
Use an asterisk (*) as a wildcard character to represent any number of characters.
•
Use square brackets with a hyphen ([integer1 - integer2]) to define a range of non-negative
integers at the end of a host name. The first integer must be less than the second integer.
•
Use square brackets with commas ([integer1, integer2 ...]) to define individual non-negative
integers at the end of a host name.
•
Use square brackets with commas and hyphens (for example, [integer1 - integer2,
integer3, integer4 - integer5]) to define different ranges of non-negative integers at the end
of a host name.
Restrictions
•
You cannot use more than one set of square brackets in a single host group definition.
•
The following example is not correct:
... (hostA[1-10]B[1-20] hostC[101-120])
•
The following example is correct:
... (hostA[1-20] hostC[101-120])
•
You cannot define subgroups that contain wildcards and special characters. The following
definition for groupB is not correct because groupA defines hosts with a wildcard:
Begin HostGroup GROUP_NAME GROUP_MEMBER groupA (hostA*) groupB
(groupA) End HostGroup
Example HostGroup sections
Example 1
Begin HostGroup GROUP_NAME GROUP_MEMBER groupA (hostA hostD) groupB
(hostF groupA hostK) groupC (!) End HostGroup
This example defines three host groups:
lsb.hosts
Platform LSF Configuration Reference 225