"invalid number of raid devices: 0"

[joshbronson]

mdadm is complaining that it has an invalid number of raid devices. Here is the chef stacktrace

Generated at 2012-09-27 22:28:17 +0000
Chef::Exceptions::ShellCommandFailed: mdadm[/dev/md0](volumes::build_raid line 54) had an error: Expected process to exit with [0], but received '2'
---- Begin output of yes | mdadm --create /dev/md0 --chunk=16 --level 0 --raid-devices 0 ----
STDOUT:
STDERR: mdadm: invalid number of raid devices: 0
---- End output of yes | mdadm --create /dev/md0 --chunk=16 --level 0 --raid-devices 0 ----
Ran yes | mdadm --create /dev/md0 --chunk=16 --level 0 --raid-devices 0 returned 2
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/shell_out.rb:207:in invalid!' /usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/shell_out.rb:193:inerror!'
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/mixin/shell_out.rb:36:in shell_out!' /usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/provider/mdadm.rb:57:inaction_create'
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/resource.rb:437:in run_action' /var/chef/cache/cookbooks/volumes/recipes/build_raid.rb:59:inblock in from_file'
/var/chef/cache/cookbooks/volumes/recipes/build_raid.rb:32:in each' /var/chef/cache/cookbooks/volumes/recipes/build_raid.rb:32:infrom_file'
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/mixin/from_file.rb:30:in instance_eval' /usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/mixin/from_file.rb:30:infrom_file'
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/cookbook_version.rb:578:in load_recipe' /usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/mixin/language_include_recipe.rb:40:inblock in include_recipe'
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/mixin/language_include_recipe.rb:27:in each' /usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/mixin/language_include_recipe.rb:27:ininclude_recipe'
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/run_context.rb:72:in block in load' /usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/run_context.rb:69:ineach'
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/run_context.rb:69:in load' /usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/client.rb:195:insetup_run_context'
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/client.rb:159:in run' /usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/application/client.rb:239:inblock in run_application'
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/application/client.rb:229:in loop' /usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/application/client.rb:229:inrun_application'
/usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/lib/chef/application.rb:67:in run' /usr/lib/ruby/gems/1.9.2-p290/gems/chef-0.10.4/bin/chef-client:26:in<top (required)>'
/usr/bin/chef-client:19:in `load'

I've pushed the tonia cluster definition into infochimps-homebase. commit 2ef44dbb07f9f93bfcbb3bf161d60d954cb6bd9d.