Administering Platform LSF - SAS

Common LSF Problems
UNKNOWN host type or model
Viewing UNKNOWN host type or model
Run lshosts. A model or type UNKNOWN indicates the host is down or the
LIM on the host is down. You need to take immediate action. For example:
% lshosts
HOST_NAME type model cpuf ncpus maxmem maxswp server RESOURCES
hostA UNKNOWN Ultra2 20.2 2 256M 710M Yes ()
Fixing UNKNOWN
host type or
model
DEFAULT host type or model
Viewing DEFAULT
host type or
model
1 Start the host.
2 Run lsadmin limstartup to start up the LIMs on the host. For example:
# lsadmin limstartup hostA
Starting up LIM on .... done
You can specify more than one host name to start up LIM on multiple hosts.
If you do not specify a host name, LIM is started up on the host from which
the command is submitted.
On UNIX, in order to start up LIM remotely, you must be root or listed in
lsf.sudoers and be able to run the rsh command across all hosts
without entering a password. See “Prerequisites” on page 62 for more
details.
3 Wait a few seconds, then run lshosts again. You should now be able to
see a specific model or type for the host or DEFAULT. If you see DEFAULT,
you can leave it as is. When automatic detection of host type or model fails,
the type or model is set to DEFAULT. LSF will work on the host. A
DEFAULT model may be inefficient because of incorrect CPU factors. A
DEFAULT type may cause binary incompatibility because a job from a
DEFAULT host type can be migrated to another.
Run lshosts. If Model or Type are displayed as DEFAULT when you use
lshosts and automatic host model and type detection is enabled, you can
leave it as is or change it. For example:
% lshosts
HOST_NAME type model cpuf ncpus maxmem maxswp server RESOURCE
S
hostA DEFAULT DEFAULT 1 2 256M 710M Yes ()
If model is DEFAULT, LSF will work correctly but the host will have a CPU
factor of 1, which may not make efficient use of the host model.
If type is DEFAULT, there may be binary incompatibility. For example, there
are 2 hosts, one is Solaris, the other is HP. If both hosts are set to type
DEFAULT, it means jobs running on the Solaris host can be migrated to the HP
host and vice-versa.
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Administering Platform LSF