Administering Platform LSF - SAS

Chapter 4
Working with Hosts
Limitation
4 Optionally, run hostsetup on each LSF server host.
You only need to run hostsetup if you want LSF to automatically start
when the host is rebooted. For example:
# cd /usr/local/lsf/5.1/install
# ./hostsetup --top="/usr/local/lsf" --boot="y"
For complete hostsetup usage, enter hostsetup -h.
5 Use the following commands start LSF:
# lsadmin limstartup
# lsadmin resstartup
# badmin hstartup
The first time a non-shared slave host joins the cluster, daemons on the new
host can only be started on local host. For example, the LSF administrator
cannot start daemons on hostB from hostA by using lsadmin limstartup
hostB. Instead, the first time the host joins the cluster, use:
# rsh hostB lsadmin limstartup
Allowing only certain hosts to join the cluster
By default, any host can be dynamically added to the cluster. To avoid having
unauthorized hosts join the cluster, you can optionally use
LSF_HOST_ADDR_RANGE in lsf.cluster.cluster_name to identify a
range of IP addresses to identify hosts that are allowed to be dynamically
added as LSF hosts.
LSF_HOST_ADDR_RANGE (lsf.cluster.cluster_name)
If a value is defined for LSF_HOST_ADDR_RANGE, security for dynamically
adding and removing hosts is enabled, and only hosts with IP addresses within
the specified range can be added to or removed from a cluster dynamically.
Automatic removal of dynamically added hosts
By default, dynamically added hosts remain in the cluster permanently.
Optionally, you can use LSF_DYNAMIC_HOST_TIMEOUT in lsf.conf to set
an optional timeout value in hours or minutes.
LSF_DYNAMIC_HOST_TIMEOUT (lsf.conf)
If LSF_DYNAMIC_HOST_TIMEOUT is defined and a host is not a master
candidate, when the host is unavailable for longer than the value specified, it
is removed from the cluster.
Administering Platform LSF 83