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.Glance i...
Thank you to OpenStack and to the city of Boston for a great summit! The
OpenStack Summit was in Boston, May 8-11. This was the first summit with
new format, which separates the general summit from the design summit.
Having attended and enjoyed several Op...
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 sender...
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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)OpenDaylight...
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 leave...
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 instance in de...
This is a blog about how to:Snapshot an OpenStack nova instance as a
glance imageBoot an instance from the snapshot (glance image)Download
the snapshot (glance image) as a file onto diskValidate the downloaded
snapshot file (image) using qemu-imgUpload th...
This is a blog about configuring jumbo frames in OpenStack in order to
scale neutron and nova in a production datacenter using Cisco's UCS
servers, UCS Fabric Interconnects and Nexus 9000.In computer networking,
MTU (Maximum Transmission Unit) is the size...
In the movie Ghostbusters, Zuul is the demigod and gatekeeper of Gozer,
the destructor.In OpenStack, ZUUL is a program used to gate the source
code repository of a project so that changes are only merged if they
pass tests. Zuul is a pipeline-oriented pro...
This blog has the steps to stack DevStack Newton on CentOS-7 in
VirtualBox on Mac laptop.Below are the versions used.OpenStack DevStack
stable Newton (GitHub - openstack-dev/devstack at stable/newton)CentOS-7
It is nearly here, the OpenStack Summit in Barcelona, October 24-28. As
always, the agenda is packed with great sessions, including in depth
tutorials and hands on workshops. I have installed the mobile app and
started building out my schedule. With so ma...
I am using Cisco Finesse version (11.5). I just want to get the customer information in Finesse ECE gadget that a customer filled during submitting chat request through pre-chat form like the picture I have attached I just&...
I am new to Cisco Chat and Email. I want to know that is there any way to generate an event on agent side while we submit the customer info in Enterprise Chat and Email chat form and initialized the chat.Actually I want to pop up a message on agent side (...
Hello, I am attempting to automate the imaging of a CSR by booting it and having it pull a ZTP script which goes out and grabs a config file, then replaces it's current config with the one it just downloaded. I am seeing weird things though. ZTP only...
I'm configuring a Cisco Infrastructure virtual instance, but cannot ping the default gateway.Version: 3.6.0Build: 22.214.171.124.172Host: VMware 6.0 I've tried two different virtual adapters E1000 and E1000e. The IP Address / Subnet are on ...
I have a REST API in AWS. I want to make a call to that REST service from a Finesse widget within an instance of DCloud. Are there special instances of DCloud that allow external traffic, or can I connect the two systems via VPN somehow?