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Course Outline
1. Introduction to OpenStack
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History of the cloud and OpenStack
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Cloud features
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Cloud models
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private, public, hybrid
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on-premise, IaaS, PaaS, SaaS
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Public and private cloud deployments based on OpenStack
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Open source and commercial OpenStack distributions
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OpenStack deployment models
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OpenStack ecosystem
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Modules
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Underlying tools
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Integrations
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OpenStack lifecycle
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OpenStack certification
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OpenStack lab (VM) for this course
2. Hands-on OpenStack administration workshop
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Getting to know OpenStack
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OpenStack components (Keystone, Glance, Nova, Neutron, Cinder, Swift, Heat)
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Interaction with OpenStack cloud
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OpenStack daemons and API communication flow
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Keystone - Identity management service
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Keystone architecture
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Authentication and available backends
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Token types and token management
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Authorization in OpenStack - roles and oslo.policy
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Keystone resources - domains, projects, users
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Openrc and clouds.yaml - CLI clients configuration
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OpenStack service catalog
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Adding new OpenStack service
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Quota system in OpenStack
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Glance - Image service
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Images adjusted to the cloud
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Image features (properties, metadata, format, container)
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Uploading and downloading image
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Sharing images
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Glance image stores
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Protected images
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Manage quotas for image service
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Verification of Glance services
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Neutron - Networking
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Architecture and Neutron services
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The ML2 plugin
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Networking in compute node - analysis
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Networking concepts and tools used by Neutron
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Basic Neutron network resource types
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Manage tenant networks, subnets,
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Manage security groups and rules
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East-West routing
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Network namespaces
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Manage external/provider networks
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North-South routing
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Floating IPs management
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Role-based access control in Neutron
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Manage network quotas
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Internals of SDN and NFV (iptables, ip route, OVS)
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Basic network troubleshooting (namespaces, tcpdump, etc.)
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Networking quotas
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Verification of Neutron services
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Nova - Compute service
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Interfaces to hypervisors
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Keypair management
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Flavour management
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Flavors and CPU topology
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Instance parameters
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Creating an instance
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Verification of spawned instances
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Snapshotting
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Instance management
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Resizing instances
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Assigning floating IPs
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Interactive console and console log
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Security groups assignment
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Internals of security groups and port-security features (iptables)
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Internals of L3 routers
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Compute quotas
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Getting statistics from Nova
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Placement API and Nova Cells v2
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Placement API and instance scheduling
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Placement API client commands
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Verification of Nova services
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Cinder - Block Storage
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Volume parameters
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Creating volume
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Manage volume
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Attaching volume to Nova instance
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Managing volume snapshots
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Managing volume backups
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Internals of snapshots and backups in Cinder
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Transferring volumes between projects
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Restoring backups
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Managing volume quotas
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Adding new storage backend
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QoS in Cinder
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LVM, storage array and Ceph storage backends
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Ceph in OpenStack
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Integrating Ceph and Cinder
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Good practices for Ceph deployments
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Verification of Cinder services
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Barbican - Key Management Service
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Barbican architecture
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Storing passphrases
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Generating and storing symmetric encryption keys
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Volume encryption mechanisms
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Configuring Cinder storage type for volume encryption
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Limitations of volume encryption
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Storing X.509 certificate bundles
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Swift - Object Storage
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Swift components and processes
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Managing containers and objects
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Managing access control lists
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Setting up object expiration
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The Ring and storage policies
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Monitoring available storage space
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Setting up quotas
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Verification of Swift services
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Heat - Orchestration
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Heat Orchestration Template and its components
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Creating Heat stack
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Verification of Heat stack
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Updating Heat stack
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Verification of Heat services
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Basic troubleshooting
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Analyzing log files
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Centralized logging
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Debugging OpenStack client queries
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Managing OpenStack database
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Extracting information from service databases
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Backing up OpenStack
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Analyzing compute node status
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Analyzing instance status
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Troubleshooting instances at the compute node (libvirt)
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Analyzing AMQP broker (RabbitMQ)
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Troubleshooting RabbitMQ
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Metadata services
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General way of diagnosing OpenStack issues
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Troubleshooting network problems
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Troubleshooting network performance
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Instance backup and recovery
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2. Advanced Topics
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Octavia - Load Balancing-as-a-service
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Architecture
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Objects and request flow
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Octavia flavors
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Octavia Availability Zones
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Creating the HTTP load balancer
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Creating the TCP load balancer
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Creating HTTPS passthrough load balancer
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Listeners, Pools and Health Monitors
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Layer 7 load balancing in Octavia
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Building Amphora image
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LB Failover
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Networking and Monitoring details
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Troubleshooting Octavia
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Hardware considerations and capacity planning
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Compute hardware
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Network design
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Storage design
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Flavour sizing
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Resource overcommitment
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Highly Available control plane
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HA in OpenStack services
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HA database
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HA message queue
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Active-Active vs Active-Passive deployments
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Multi-region deployments
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Cloud partitioning and scheduler filters
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Why and how implement cloud partitions (host-aggregates)
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Nova scheduler filters
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Dive into filter's code
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Workload migration
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Cold and live migration
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Live migration tweaking
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Migration excercises and troubleshooting
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Policies and authorization in OpenStack
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Oslo.policy
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Creating a new meaningful role with policy files
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Verifying API access for the specific user
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In-depth OpenStack networking (SDN) (2-3h)
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Types of network (local, flat, vlan, vxlan, gre)
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Detailed netowork flow and architecture in various neutron deployments
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East-West traffic in tenant networks
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North-South traffic in tenant networks
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Traffic in provider-only deployments
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Neutron plugins
- Linux Bridge
- Open vSwitch
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OVS troubleshooting and excercises
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Troubleshooting security groups (iptables, tcpdump)
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Port-security adjustments and vIP management
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Distributed Virtual Routers
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LBaaS + Octavia project
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VPNaaS
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OpenStack monitoring and telemetry
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Ceilometer service
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External monitoring
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Advances cloud/hypervisor features
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CPU pinning / NUMA architecture
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SR-IOV
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Cloud-init and image customization
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Metadata Service
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Getting information from metadata service
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Block storage backends
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LVM
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Ceph RBD
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Physical appliances
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Storage network considerations
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Upgrading OpenStack
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Upgrade strategies and procedures
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Zero-downtime upgrade
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Bare-metal provisioning with OpenStack
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Ironic module
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Undercloud and overcloud concepts
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Various excercises on troubleshooting OpenStack cluster
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Example examination tasks
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Future of OpenStack
Requirements
- Basic Linux administration skills
- Basic networking knowledge
- Basic knowledge of cloud computing paradigm
35 Hours
Testimonials (2)
communication, knowledge from experience, solve problems,
Marcin Walewski - Intel Technology Poland Sp. z o.o.
Course - OpenStack Bootcamp
The virtual desktop in a browser feature was kind of neat.
