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Supermarket Belongs to the Community

Supermarket belongs to the community. While Chef has the responsibility to keep it running and be stewards of its functionality, what it does and how it works is driven by the community. The chef/supermarket repository will continue to be where development of the Supermarket application takes place. Come be part of shaping the direction of Supermarket by opening issues and pull requests or by joining us on the Chef Mailing List.

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drbd (12) Versions 0.8.0

Installs/Configures drbd.

cookbook 'drbd', '= 0.8.0'
cookbook 'drbd', '= 0.8.0', :supermarket
knife supermarket install drbd
knife supermarket download drbd
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Installs and configures the Distributed Replicated Block Device (DRBD) service for mirroring block devices between a pair of hosts. Right now it simply works in pairs, multiple hosts could be supported with a few small changes.

The drbd cookbook does not partition drives. It will format partitions given a filesystem type, but it does not explicitly depend on the xfs cookbook if you want that type of filesystem, but you can put it in your run list and set the node['drbd']['fs_type'] to 'xfs' or 'ext4' or whatever.



Tested with Ubuntu 10.04 and 10.10. You must have the 'linux-server' package and 'linux-headers-server' kernel installed to properly support the drbd module.



Installs drbd but does no configuration.


Given a filesystem and a partner host, configures block replication between the hosts. The master will claim the primary, format the filesystem and mount the partition. The slave will simply mirror without mounting. It currently takes 2 chef-client runs to ensure the pair is synced properly.


The required attributes are

  • node['drbd]['remote_host'] - Remote host to pair with.
  • node['drbd]['disk'] - Disk partition to mirror.
  • node['drbd]['mount'] - Mount point to mirror.
  • node['drbd]['fs_type'] - Disk format for the mirrored disk, defaults to ext3.
  • node['drbd]['master'] - Whether this node is master between the pair, defaults to false.


There are a pair of example roles drbd-pair.rb and drbd-pair-master.rb with the cookbook source.

License and Author

Author: Matt Ray (

Copyright 2011, Opscode, Inc.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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This cookbook has no specified dependencies.

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