title: Using rsync on windows with vagrant running a CoreOS VM
body: <p>I am using windows 8.1 Pro pc running vagrant and cygwin's rsync.</p>
  
  <p>I am configuring as such:</p>
  
  <pre><code>config.vm.synced_folder "../sharedFolder", "/vagrant_data", type: "rsync"
  </code></pre>
  
  <p>And when I execute <code>vagrant up</code> I get the following error:</p>
  
  <pre><code>C:\dev\vagrantBoxes\coreOS&gt;vagrant up
  Bringing machine 'default' up with 'virtualbox' provider...
  ==&gt; default: Checking if box 'yungsang/coreos' is up to date...
  ==&gt; default: Clearing any previously set forwarded ports...
  ==&gt; default: Clearing any previously set network interfaces...
  ==&gt; default: Preparing network interfaces based on configuration...
      default: Adapter 1: nat
  ==&gt; default: Forwarding ports...
      default: 22 =&gt; 2222 (adapter 1)
  ==&gt; default: Running 'pre-boot' VM customizations...
  ==&gt; default: Booting VM...
  ==&gt; default: Waiting for machine to boot. This may take a few minutes...
      default: SSH address: 127.0.0.1:2222
      default: SSH username: core
      default: SSH auth method: private key
      default: Warning: Connection timeout. Retrying...
  ==&gt; default: Machine booted and ready!
  ==&gt; default: Rsyncing folder: /c/dev/vagrantBoxes/sharedFolder/ =&gt; /vagrant_data
  There was an error when attempting to rsync a synced folder.
  Please inspect the error message below for more info.
  
  Host path: /c/dev/vagrantBoxes/sharedFolder/
  Guest path: /vagrant_data
  Command: rsync --verbose --archive --delete -z --copy-links --chmod=ugo=rwX --no-perms --no-owner --no-group --rsync-path sudo rsync -e ssh -p 2222 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/d
  ev/null -i 'C:/Users/aaron.axisa/.vagrant.d/insecure_private_key' --exclude .vagrant/ /c/dev/vagrantBoxes/sharedFolder/ core@127.0.0.1:/vagrant_data
  Error: Warning: Permanently added '[127.0.0.1]:2222' (RSA) to the list of known hosts.
  rsync: change_dir "/c/dev/vagrantBoxes/sharedFolder" failed: No such file or directory (2)
  rsync error: some files/attrs were not transferred (see previous errors) (code 23) at /usr/src/ports/rsync/rsync-3.0.9-1/src/rsync-3.0.9/main.c(1052) [sender=3.0.9]
  </code></pre>
  
  <p>I assume it is an issue with how it is changing the directory path to /c/dev rather than C:\dev</p>