DevStack plugin to configure the DRBD backend.
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| CONTRIBUTING.rst | ||
| drbd-devstack.json | ||
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| README.rst | ||
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drbd-devstack
DRBD installation helper for DevStack.
- Free software: Apache license
This plugin helps to install the DRBD backend for Cinder (and, later on, Nova) in a devstack install.
Usage
Put some lines similar to these in your `local.conf`:
enable_plugin drbd-devstack https://git.openstack.org/openstack/drbd-devstack CINDER_ENABLED_BACKENDS=drbd:drbdmanage
A few environment variables can be set to modify the behaviour:
- CINDER_DRBD_NO_STORAGE means --no-storage
- CINDER_DRBD_NO_CV gets translated to --no-control-volume. This is allowed only for additional nodes, and not the initial drbdmanage node that has to create a control volume.
- CINDER_DRBD_USE_DRBD_PROTOCOL makes the driver use the DRBD protocol to provide storage to the Nova nodes.
Secondary nodes are detected by having $SERVICE_HOST unequal to $HOST_IP, and therefore register themselves as additional nodes in drbdmanage.