LSF Version 7.3 - Administering Platform LSF

Administering Platform LSF 89
Working with Hosts
BB.BB.BB.BB host host-BB # second interface
Example /etc/hosts entries
No unique official name
The following example is for a host with two interfaces, where the host does not
have a unique official name.
# Address Official name Aliases
# Interface on network A
AA.AA.AA.AA host-AA.domain host.domain host-AA host
# Interface on network B
BB.BB.BB.BB host-BB.domain host-BB host
Looking up the address AA.AA.AA.AA finds the official name host-AA.domain.
Looking up address
BB.BB.BB.BB finds the name host-BB.domain. No
information connects the two names, so there is no way for LSF to determine that
both names, and both addresses, refer to the same host.
To resolve this case, you must configure these addresses using a unique host name.
If you cannot make this change to the system file, you must create an LSF hosts file
and configure these addresses using a unique host name in that file.
Both addresses have the same official name
Here is the same example, with both addresses configured for the same official
name.
# Address Official name Aliases
# Interface on network A
AA.AA.AA.AA host.domain host-AA.domain host-AA host
# Interface on network B
BB.BB.BB.BB host.domain host-BB.domain host-BB host
With this configuration, looking up either address returns host.domain as the
official name for the host. LSF (and all other applications) can determine that all the
addresses and host names refer to the same host. Individual interfaces can still be
specified by using the
host-AA and host-BB aliases.
Example for a dual-stack host
Dual-stack hosts have more than one IP address. You must associate the host name
with both addresses, as shown in the following example:
# Address Official name Aliases
# Interface IPv4
AA.AA.AA.AA host.domain host-AA.domain
# Interface IPv6
BBBB:BBBB:BBBB:BBBB:BBBB:BBBB::BBBB host.domain host-BB.domain
With this configuration, looking up either address returns host.domain as the
official name for the host. LSF (and all other applications) can determine that all the
addresses and host names refer to the same host. Individual interfaces can still be
specified by using the
host-AA and host-BB aliases.