change ipaddress/name at Disaster Recovery test

Greetings,

  Please be kind..I'm a systems programmer, not an Oracle
person!

  I would like to recover a box running Web Application
Server/linux
at a disaster recovery test. It will be a replica of one
running
production at home, so the DR replica needs a different
ipaddress
and DNS hostname.
I know how to change the linux operating system at DR to use
a new
address. What I need to know is what must be changed in
WebAS to allow it
to function at its DR address.

  Is it possible to put the DR ipaddress
in /etc/hosts and somehow instruct Oracle to use /etc/hosts
instead of
LDAP to look up what it knows as its hostname/ipaddress?

Or must I completely change he hostname/ipaddress with the
Oracle chngip
procedure?  (This is a mid-tier instance.)


thanks,
Kate Riggsby
Systems Programmer
University of Tennessee

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