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Administering Platform LSF - SAS

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Configuring lsf.cluster.cluster_name ResourceMap Section<br />

Syntax<br />

([resource_value@][host_name... | all [~host_name]... | others | default]<br />

...)<br />

◆ For static resources, you must include the resource value, which indicates<br />

the quantity of the resource. Do not specify the resource value for dynamic<br />

resources because information about dynamic resources is updated by<br />

ELIM.<br />

◆ Type square brackets around the list of hosts, as shown. You can omit the<br />

parenthesis if you only specify one set of hosts.<br />

◆ Each set of hosts within square brackets specifies an instance of the<br />

resource. The same host cannot be in more than one instance of a resource.<br />

All hosts within the instance share the quantity of the resource indicated<br />

by its value.<br />

◆ The keyword all refers to all the server hosts in the cluster, collectively.<br />

Use the not operator (~) to exclude hosts or host groups.<br />

◆ The keyword others refers to all hosts not otherwise listed in the instance.<br />

◆ The keyword default refers to each host in the cluster, individually.<br />

Non-batch configuration<br />

The following items should be taken into consideration when configuring<br />

resources under <strong>LSF</strong> Base.<br />

◆ In lsf.cluster.cluster_name, the Host section must precede the<br />

ResourceMap section, since the ResourceMap section uses the host names<br />

defined in the Host section.<br />

◆ The RESOURCES column in the Host section of the<br />

lsf.cluster.cluster_name file should be used to associate static<br />

Boolean resources with particular hosts.<br />

◆ Almost all resources specified in the ResourceMap section are interpreted<br />

by <strong>LSF</strong> commands as shared resources, which are displayed using<br />

lsload -s or lshosts -s. The exceptions are:<br />

❖ Non-shared static resources<br />

❖ Dynamic numeric resources specified using the default keyword.<br />

These are host-based resources and behave like the built-in load<br />

indices such as mem and swap. They are viewed using lsload -l or<br />

lsload -I.<br />

156<br />

<strong>Administering</strong> <strong>Platform</strong> <strong>LSF</strong>

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