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Ceph (Ceph Homepage - Ceph) is a great way to deploy persistent storage with OpenStack. Ceph can be used as the persistent storage backend with OpenStack Cinder (GitHub - openstack/cinder: OpenStack Block Storage (Cinder)) for:Volumes of nova VMs.Gla...
This is a blog about how to deploy multicast in an OpenStack cloud. Unlike broadcast and unicast, multicast is used for one-to-many communications.What is multicast?One-to-many communicationDriven by receivers (On the contrary, unicast is driven by ...
This blog has the steps to deploy OpenStack Newton with OpenDaylight Boron and Open vSwitch on CentOS-7 in VirtualBox on Mac laptop.Below are the versions used:OpenStack DevStack stable Newton (GitHub - openstack-dev/devstack at stable/newton)OpenDay...
In an OpenStack deployment, when packets from a nova instance need to reach the external world, they first go through the virtual switch (OpenvSwitch or Linux Bridge) for layer-2 switching, then through the physical NIC of the compute host, and then ...
OpenStack cinder provides block storage for nova instances. Cinder volumes are great to store files in a nova instance permanently. Without cinder volume, the data/files in a nova instance are ephemeral (temporary) and will be lost once the instanc...
physical_device_mappings is the comma-separated list of <physical_network>:<network_device> tuples mapping physical network names to the agent’s node-specific physical network device interfaces of SR-IOV physical function to be used for VLAN networks...
