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C H A P T E R 4 Scenario 1
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Step 3. Delete the first site to transition over.
For the purposes of this scenario, the eastcoastsite converts over first.
By deleting the site (deleting the sites ISV Group), the 7190s makes
all new referrals to the remaining sites. In this case that leaves just the
westcoastsite, since the brokered sites are still disabled. Deleting a
site also causes the removal of all of its associated services from
hostname mappings. To prove this, check the hostname after deletion.
config dns isv-groups
delete eastcoastsite
config dns zones geo.mstd-ex.com hostnames www
info
Step 4. Commit the new configuration.
At this point, you can save and commit the configuration.
save before-upgrade
commit all
Step 5. Bring the new eastcoastbroker hardware on line.
After the commit, the site known as eastcoastsite no longer receives
traffic from new referrals. It may still continue to receive some
residual traffic from cached referrals or current connections.
Configure the load balancer known as the eastcoastbroker. Verify
that it has the service 10.2.2.50:80 configured.
Step 6. Enable the eastcoastbroker and delete the
westcoastsite.
Similar to disabling an agent, enabling an agent automatically
enables all of its services mapped to hostnames.
config dns agents eastcoastbroker enable
config dns isvgroups
delete westcoastsite
commit all