rake aborted! getaddrinfo: Name or service not known

I'm deploying new rails applications. Everything works well except when it comes to the db migration:

* executing "cd /var/rails/benefits_test/releases/20101129190121 && /opt/ruby-enterprise-1.8.7-2010.02/bin/rake RAILS_ENV=production db:util:migrate" servers: ["ps-test-app1"] [ps-test-app1] executing command ** [out :: ps-test-app1] (in /filestore/rails/benefits_test/releases/20101129190121) *** [err :: ps-test-app1] rake aborted! *** [err :: ps-test-app1] getaddrinfo: Name or service not known *** [err :: ps-test-app1] *** [err :: ps-test-app1] (See full trace by running task with --trace) command finished failed: "sh -c 'cd /var/rails/benefits_test/releases/20101129190121 && /opt/ruby-enterprise-1.8.7-2010.02/bin/rake RAILS_ENV=production db:util:migrate'" on ps-test-app1

When I manually run it with '--trace' I see nothing evident: [root@ps-test-app1 current]# rake RAILS_ENV=production db:migrate --trace (in /filestore/rails/benefits_test/releases/20101129190121) ** Invoke db:migrate (first_time) ** Invoke environment (first_time) ** Execute environment rake aborted! getaddrinfo: Name or service not known /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/drb/drb.rb:861:in `initialize' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/drb/drb.rb:861:in `open' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/drb/drb.rb:861:in `open_server' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/drb/drb.rb:759:in `open_server' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/drb/drb.rb:757:in `each' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/drb/drb.rb:757:in `open_server' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/drb/drb.rb:1342:in `initialize' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/drb/drb.rb:1630:in `new' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/drb/drb.rb:1630:in `start_service' /filestore/rails/benefits_test/releases/20101129190121/vendor/plugins/backgroundrb/lib/backgroundrb.rb:11 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:in `require' /filestore/rails/benefits_test/releases/20101129190121/vendor/plugins/backgroundrb/init.rb:1:in `evaluate_init_rb' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/rails/plugin.rb:158:in `evaluate_init_rb' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/kernel/reporting.rb:11:in `silence_warnings' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/rails/plugin.rb:154:in `evaluate_init_rb' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/rails/plugin.rb:48:in `load' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:38:in `load_plugins' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:37:in `each' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:37:in `load_plugins' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:369:in `load_plugins' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:165:in `process' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:113:in `send' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:113:in `run' /filestore/rails/benefits_test/releases/20101129190121/config/environment.rb:23 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in `new_constants_in' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/tasks/misc.rake:4 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/monitor.rb:242:in `synchronize' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:607:in `invoke_prerequisites' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `each' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `invoke_prerequisites' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:596:in `invoke_with_call_chain' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/monitor.rb:242:in `synchronize' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run' /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31 /opt/ruby-enterprise-1.8.7-2010.02/bin/rake:19:in `load' /opt/ruby-enterprise-1.8.7-2010.02/bin/rake:19

I can ping the db with no problems and I can also telnet to the db successfully from the app server:

[root@ps-test-app1 20101129190121]# telnet ps-test-db 3306 Trying 10.204.47.161... Connected to ps-test-db.localdomain (10.204.47.161). Escape character is '^]'. 4 5.1.33jSD7(_*2J\rJWW.~R\[                 ot packets out of orderConnection closed by foreign host.

I’m using the following “database.yml”:

production:   adapter: mysql   database: tsise_development   username: *user*   password: *pass*   host: ps-test-db   reconnect: true

Can someone help me out?

Thanks, Franck