Identify which situation, by checking if other nodes in the same AZ are available or not.
If hardware failure, simply launch a new instance with the appropriate AMI, add it to chef config, remap elastic ip, mount volumes, etc.
If an entire AZ is down then
- create new volumes in alternate AZ, and retrieve from backuppc the uploads, custom reports etc.
  - only use "tar download" restore method, and only of /etc/mifos/uploads dir...
  - download tar to local machine, then copy to remote host and untar as user "tomcat6"
- relaunch each frontend into an alternate AZ, add to chef config, remap elastic ips, mount new volumes etc.

Warning
If you manually stop Mifos, say, during a restore of `/etc/mifos/uploads`, Chef will automatically restart it. To temporarily disable this behavior, you can use: `sudo service chef-client stop`, then `sudo service chef-client start` when you're finished.

Statefiles

Statefiles are lists of specific versions of packages to be included in images. They are kept in the statefiles/ dir in the "cloud" git repo.

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