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doc: Add additional information over CloudStack and RBD
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wido committed Apr 11, 2014
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7 changes: 6 additions & 1 deletion doc/rbd/rbd-cloudstack.rst
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Expand Up @@ -45,7 +45,12 @@ setup for CloudStack Primary Storage.

.. note:: Make sure the /tmp partition on your hypervisors is at least 25GB.
When deploying from a template from the first time /tmp will be used for
converting the template from QCOW2 to RAW for storage on RBD.
converting the template from QCOW2 to RAW for storage on RBD. This is no
longer valid starting from CloudStack version 4.4.0

.. note:: To use RBD with CloudStack 4.4.0 you require at least librbd version
0.67.7 (Ceph Dumpling). Otherwise template deployments and template backups
will fail. In case you use Ubuntu we recommend at least LTS version 14.04

Installing and configuring QEMU for use with CloudStack doesn't require any
special handling. Ensure that you have a running Ceph Storage Cluster. Install
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