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Administering Platform LSF - SAS

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Chapter 14<br />

Fairshare Scheduling<br />

Configuring host partition fairshare scheduling<br />

To configure host partition fairshare, define a host partition in lsb.hosts.<br />

Use the following format.<br />

Begin HostPartition<br />

HPART_NAME = Partition1<br />

HOSTS = hostA hostB ~hostC<br />

USER_SHARES = [groupA@, 3] [groupB, 7] [default, 1]<br />

End HostPartition<br />

◆ A host cannot belong to multiple partitions.<br />

◆ Optionally, use the reserved host name all to configure a single partition<br />

that applies to all hosts in a cluster.<br />

◆ Optionally, use the not operator (~) to exclude hosts or host groups from<br />

the list of hosts in the host partition.<br />

◆ Hosts in a host partition cannot participate in queue-based fairshare.<br />

Hosts that are not included in any host partition are controlled by FCFS<br />

scheduling policy instead of fairshare scheduling policy.<br />

<strong>Administering</strong> <strong>Platform</strong> <strong>LSF</strong> 209

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