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Mirantis OpenStack for Kubernetes
  • Product Overview
  • Reference Architecture
    • Deployment profiles
    • Components overview
    • Requirements
      • MOSK cluster hardware requirements
      • Management cluster storage
      • System requirements for the seed node
      • Components collocation
      • Infrastructure requirements
      • Automatic upgrade of a host operating system
    • Cloud services
      • Compute service
        • Resource oversubscription
        • Virtual CPU
        • Live migration
        • Image storage backend
        • Remote console access to virtual machines
        • GPU virtualization
      • Networking service
        • Backends
        • General configuration
        • BGP dynamic routing
        • DVR incompatibility with ARP announcements and VRRP
      • Block Storage service
        • Backup configuration
        • Volume encryption
      • Identity service
        • Integration with Mirantis Container Cloud IAM
        • Regions
        • Application credentials
        • Domain-specific configuration
      • Image service
      • Object Storage service
      • Dashboard
      • Telemetry services
      • Bare Metal service
      • DNS service
      • Key Manager service
      • Instance High Availability service
      • Shared Filesystems service
      • Dynamic Resource Balancer service
    • OpenStack
      • OpenStack cluster
      • OpenStack lifecycle management
        • OpenStack Controller
        • OpenStackDeployment Admission Controller
      • OpenStack configuration
        • OpenStackDeployment custom resource
        • OpenStackDeploymentStatus custom resource
        • OpenStack Controller configuration
      • OpenStack database
        • Overview of the OpenStack database backup and restoration
        • Workflows of the OpenStack database backup and restoration
        • OpenStack database auto-cleanup
        • Periodic OpenStack database backups
        • Remote storage for OpenStack database backups
      • OpenStack message bus
    • Tungsten Fabric
      • Tungsten Fabric cluster
        • Tungsten Fabric cluster components
        • Tungsten Fabric traffic flow
      • Tungsten Fabric lifecycle management
        • Tungsten Fabric Operator
        • TFOperator custom resource
        • Key differences between TFOperator API v1alpha1 and v2
      • Tungsten Fabric configuration
        • Cassandra configuration
        • Custom vRouter settings
        • Control plane traffic interface
        • Traffic encapsulation
        • Autonomous System Number (ASN)
        • Access to external DNS
        • Gateway for vRouter data plane network
        • Tungsten Fabric image precaching
        • Graceful restart and long-lived graceful restart
        • Configuring the protocol for connecting to Cassandra clusters
        • SR-IOV Spoof Check control for Tungsten Fabric
        • Availability zones
      • Tungsten Fabric database
        • Periodic Tungsten Fabric database backups
        • Remote storage for Tungsten Fabric database backups
      • Tungsten Fabric services
        • Tungsten Fabric load balancing (HAProxy)
        • Octavia Amphora load balancing
      • Tungsten Fabric known limitations
      • Tungsten Fabric integration with OpenStack
    • Networking
      • Networking overview
      • Management cluster networking
      • MOSK cluster networking
      • Network types
      • Multi-rack architecture
      • Physical networks layout
      • Underlay networking: routing configuration
      • Performance optimization
    • Storage
      • Ceph overview
      • Ceph limitations
      • Ceph integration with OpenStack
    • Mirantis StackLight
      • Deployment architecture
      • Monitored components
      • OpenSearch and Prometheus storage sizing
      • StackLight integration with OpenStack
      • Workload monitoring
    • Blueprints
      • Remote compute nodes
        • Introduction to edge computing
        • Overview of the remote compute nodes approach
        • Design considerations for a remote site
        • Remote compute nodes with Tungsten Fabric
      • Large clusters
      • Cephless cloud
    • Node maintenance API
      • Node maintenance API objects
      • OpenStack Controller maintenance API
      • Tungsten Fabric Controller maintenance API
      • Cluster update flow
      • Parallelizing node update operations
  • Deployment Guide
    • Plan the deployment
    • Provision a Container Cloud bare metal management cluster
    • Create a managed cluster
      • Add a bare metal host
      • Create a custom bare metal host profile
        • Default configuration of the host system storage
        • Create MOSK host profiles
        • Enable huge pages in a host profile
        • Configure RAID support
          • Create an LVM software RAID (raid1)
          • Create an mdadm software RAID (raid0, raid1, raid10)
        • Create LVM volume groups on top of RAID devices
      • Create a MOSK cluster
        • Create a managed bare metal cluster
        • Workflow of network interface naming
        • Service labels and their life cycle
        • Create subnets
        • Create subnets for a multi-rack MOSK cluster
        • Create subnets for a MOSK cluster
        • Configure MetalLB
        • MetalLB configuration guidelines for subnets
        • Configure the MetalLB speaker node selector
        • Configure BGP announcement for cluster API LB address
        • Create L2 templates
          • Create L2 templates for a multi-rack MOSK cluster
          • Create an L2 template for a Kubernetes manager node
          • Create an L2 template for a MOSK controller node
          • Create an L2 template for a MOSK compute node
          • Create an L2 template for a MOSK storage node
          • Edit and apply L2 templates
          • Mandatory parameters of L2 templates
          • Netplan template macros
          • L2 template example with bonds and bridges
      • Add a machine
        • Create a machine using CLI
        • Assign L2 templates to machines
        • Deploy a machine to a specific bare metal host
        • Override network interfaces naming and order
      • Add a Ceph cluster
      • Delete a managed cluster
    • Deploy OpenStack
      • Deploy an OpenStack cluster
      • Advanced OpenStack configuration (optional)
        • Enable LVM ephemeral storage
        • Enable LVM block storage
        • Enable DPDK with OVS
        • Enable SR-IOV with OVS
        • Enable BGP VPN
        • Encrypt the east-west traffic
        • Enable Cinder backend for Glance
        • Enable Cinder volume encryption
        • Advanced configuration for OpenStack compute nodes
          • Configuration recommendations for compute node types
          • Configure the CPU model
          • Enable huge pages for OpenStack
          • Configure CPU isolation for an instance
          • Configure custom CPU topologies
          • Configure PCI passthrough for guests
          • Configure initial resource oversubscription
          • Limit HW resources for hyperconverged OpenStack compute nodes
          • Configure GPU virtualization
        • Enable image signature verification
        • Enable Telemetry services
        • Configure LoadBalancer for PowerDNS
      • Access OpenStack after deployment
        • Configure DNS to access OpenStack
        • Access your OpenStack environment
      • Troubleshoot an OpenStack deployment
        • Debugging the Helm releases
        • Debugging the OpenStack Controller
        • Debugging the OsDpl CR
        • Support dump
    • Deploy Tungsten Fabric
      • Tungsten Fabric deployment prerequisites
      • Deploy Tungsten Fabric
      • Advanced Tungsten Fabric configuration (optional)
        • Enable huge pages for OpenStack with Tungsten Fabric
        • Enable DPDK for Tungsten Fabric
        • Enable SR-IOV for Tungsten Fabric
        • Configure multiple Contrail API workers
        • Disable Tungsten Fabric analytics services
      • Access the Tungsten Fabric web UI
      • Troubleshoot the Tungsten Fabric deployment
        • Enable debug logs for the Tungsten Fabric services
        • Troubleshoot access to the Tungsten Fabric web UI
        • Disable TX offloading on NICs used by vRouter
  • Operations Guide
    • Cluster update
      • Calculate a maintenance window duration for update
      • Update to a major version
      • Update to a patch version
    • OpenStack operations
      • Upgrade OpenStack
      • Backup and restore OpenStack databases
        • Enable OpenStack database remote backups
        • Restore OpenStack databases from a backup
        • Verify the periodic backup jobs for the OpenStack database
      • Add a controller node
      • Replace a failed controller node
      • Add a compute node
      • Change oversubscription settings for existing compute nodes
      • Delete a compute node
      • Reschedule stateful applications
      • Run Tempest tests
      • Remove an OpenStack cluster
      • Remove an OpenStack service
      • Enable uploading of an image through Horizon with untrusted SSL certificates
      • Rotate OpenStack credentials
      • Customize OpenStack container images
    • OpenStack services configuration
      • Configure high availability with Masakari
      • Configure monitoring of cloud workload availability
    • Ceph operations
      • Configure Ceph Object Gateway TLS
      • Ceph default configuration options
      • Use object storage server-side encryption
      • Set a bucket policy for OpenStack users
      • Calculate target ratio for Ceph pools
      • Ceph pools for Cinder multi-backend
    • StackLight operations
      • View Grafana dashboards
      • View OpenSearch Dashboards
      • StackLight alerts
        • Core services
          • Libvirt
          • MariaDB
          • Memcached
          • SSL certificates
          • RabbitMQ
        • OpenStack
          • OpenStack services API
          • Cinder
          • Ironic
          • Neutron
          • Nova
          • Cloudprober
          • Portprober
          • Credential rotation
        • OpenStack Controller
        • Tungsten Fabric
          • Cassandra
          • Kafka
          • Redis
          • Tungsten Fabric Operator
          • Tungsten Fabric
          • ZooKeeper
        • Alert dependencies
      • Configure StackLight
        • StackLight configuration procedure
        • StackLight configuration parameters
        • Verify StackLight after configuration
    • Tungsten Fabric operations
      • Update Tungsten Fabric
      • Back up TF databases
      • Restore Tungsten Fabric data
      • Convert v1alpha1 TFOperator custom resource to v2
      • Replace a failed TF controller node
      • Delete a vRouter node
      • Verify the Tungsten Fabric deployment
      • Configure load balancing
      • Enable contrail-tools
      • Enable tf-api-cli
    • Container Cloud operations
      • Replace a failed manager node
      • Modify network configuration on an existing machine
      • Add more racks to an existing MOSK cluster
      • Expand IP addresses capacity in an existing cluster
      • Restart a bare metal host
    • Limitations
  • API Reference
  • User Guide
    • Use the Instance HA service
    • Manage application credentials
    • Authenticate in OpenStack API as a federated OIDC user
    • Use the Shared Filesystems service
    • Deploy your first cloud application using automation
    • Deploy your first cloud application using cloud web UI
    • Use Heat to create and manage Tungsten Fabric objects
    • Use S3 API for MOSK Object Storage
    • Run Windows guests
    • Use the Dynamic Resource Balancer service
  • Security Guide
    • CADF audit notifications in OpenStack services
    • Rotation of credentials in OpenStack
    • Firewall configuration
      • Container Cloud
      • Mirantis Kubernetes Engine
      • StackLight
      • Ceph
      • MOSK
      • OpenStack
      • Tungsten Fabric
    • OpenStack API access policies
    • Data protection
      • Data encryption capabilities
      • Encryption of live migration data
      • Encryption of cloud control plane communications
    • Compliance
      • FIPS compliance
    • Container images signing and validation
  • FAQ

Release notes

  • Release Notes
    • 24.2 series
      • 24.2
        • New features
        • Major components versions
        • Known issues
          • OpenStack known issues
          • Tungsten Fabric known issues
          • Update known issues
        • Release artifacts
        • Addressed issues
        • Update notes
        • Security notes
      • 24.2.1 patch
        • Highlights
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.2.2 patch
        • Highlights
        • Release artifacts
        • Security notes
        • Known issues
        • Update notes
    • 24.1 series
      • 24.1
        • New features
        • Major components versions
        • Known issues
          • OpenStack known issues
          • Tungsten Fabric known issues
          • Update known issues
        • Release artifacts
        • Addressed issues
        • Update notes
        • Security notes
      • 24.1.1 patch
        • Enhancements
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.1.2 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.1.3 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.1.4 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.1.5 patch
        • Highlights
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.1.6 patch
        • Highlights
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.1.7 patch
        • Highlights
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
    • 23.3 series
      • 23.3
        • New features
        • Major components versions
        • Known issues
          • OpenStack known issues
          • Tungsten Fabric known issues
          • StackLight known issues
          • Update known issues
        • Release artifacts
        • Addressed issues
        • Update notes
        • Security notes
      • 23.3.1 patch
        • Release artifacts
        • Security notes
        • Addressed issues
      • 23.3.2 patch
        • Release artifacts
        • Security notes
      • 23.3.3 patch
        • Release artifacts
        • Security notes
        • Addressed issues
      • 23.3.4 patch
        • Release artifacts
        • Security notes
        • Addressed issues
    • 23.2 series
      • 23.2
        • New features
        • Major components versions
        • Known issues
          • OpenStack known issues
          • Tungsten Fabric known issues
          • Wireguard known issues
          • Cluster update known issues
        • Release artifacts
        • Addressed issues
        • Update notes
        • Security notes
      • 23.2.1 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Cluster update known issues
      • 23.2.2 patch
        • Addressed issues
        • Release artifacts
        • Security notes
        • Cluster update known issues
      • 23.2.3 patch
        • Addressed issues
        • Release artifacts
        • Security notes
        • Cluster update known issues
    • 23.1 series
      • 23.1
        • New features
        • Major components versions
        • Known issues
          • OpenStack known issues
          • Tungsten Fabric known issues
          • Ceph known issues
          • StackLight known issues
          • Cluster update known issues
        • Release artifacts
        • Addressed issues
        • Update notes
        • Security notes
      • 23.1.1 patch
        • Release artifacts
        • Security notes
      • 23.1.2 patch
        • Release artifacts
        • Security notes
        • Known issues
      • 23.1.3 patch
        • Release artifacts
        • Security notes
      • 23.1.4 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
    • 22.5
      • New features
      • Major components versions
      • Known issues
        • OpenStack known issues
        • Tungsten Fabric known issues
        • Cluster update known issues
        • Ceph known issues
        • StackLight known issues
      • Release artifacts
      • Addressed issues
      • Update notes
      • Security notes
    • 22.4
      • New features
      • Major components versions
      • Known issues
        • OpenStack known issues
        • Tungsten Fabric known issues
        • Cluster update known issues
        • Ceph known issues
        • StackLight known issues
      • Release artifacts
      • Addressed issues
      • Update notes
      • Security notes
    • Release notes for older product versions
      • 22.3
        • New features
        • Major components versions
        • Known issues
          • OpenStack known issues
          • Tungsten Fabric known issues
          • Ceph known issues
          • Cluster update known issues
        • Release artifacts
        • Addressed issues
        • Update notes
        • Security notes
      • MOSK 22.2 release
        • New features
        • Major components versions
        • Known issues
          • Tungsten Fabric known issues
          • OpenStack known issues
          • Cluster update known issues
        • Release artifacts
        • Addressed issues
        • Update notes
        • Security notes
      • MOSK 22.1 release
        • New features
        • Major components versions
        • Known issues
          • Tungsten Fabric known issues and limitations
          • OpenStack known issues
          • Cluster update known issues
        • Release artifacts
        • Addressed issues
        • Update notes
      • MOS 21.6 release
        • New features
        • Major components versions
        • Known issues
          • Tungsten Fabric known issues and limitations
          • OpenStack known issues
          • Cluster update known issues
          • Ceph known issues
        • Release artifacts
        • Addressed issues
      • MOS 21.5 release
        • New features
        • Major components versions
        • Known issues
          • Tungsten Fabric known issues and limitations
          • OpenStack known issues
          • Cluster update known issues
          • Ceph known issues
        • Release artifacts
        • Addressed issues
      • MOS 21.4 release
        • New features
        • Major components versions
        • Known issues
          • Tungsten Fabric known issues and limitations
          • OpenStack known issues
          • StackLight known issues
          • Cluster update known issues
        • Release artifacts
        • Addressed issues
      • MOS 21.3 release
        • New features
        • Major components versions
        • Known issues
          • Tungsten Fabric known issues and limitations
          • OpenStack known issues
          • Ceph known issues
          • StackLight known issues
        • Release artifacts
        • Addressed issues
      • MOS 21.2 release
        • New features
        • Major components versions
        • Known issues
          • Tungsten Fabric known issues and limitations
          • OpenStack known issues
          • StackLight known issues
        • Release artifacts
        • Addressed issues
      • MOS 21.1 release
        • New features
        • Major components versions
        • Known issues
          • OpenStack known issues
          • Tungsten Fabric known issues and limitations
        • Release artifacts
        • Addressed issues
      • MOS Ussuri GA Update release
        • New features
        • Major components versions
        • Known issues
          • OpenStack known issues and limitations
          • Tungsten Fabric known issues and limitations
        • Release artifacts
        • Addressed issues
      • MOS Ussuri GA release
        • Product highlights
        • Major components versions
        • Known issues
          • OpenStack known issues and limitations
          • Tungsten Fabric known issues and limitations
        • Release artifacts
  • Deprecation Notes
  • Release cadence and support cycle
  • Release Compatibility Matrix
  • Container Cloud Release Compatibility Matrix

Node maintenance API¶

This section describes internal implementation of the node maintenance API and how OpenStack and Tungsten Fabric controllers communicate with LCM and each other during a managed cluster update.

  • Node maintenance API objects
  • OpenStack Controller maintenance API
  • Tungsten Fabric Controller maintenance API
  • Cluster update flow
  • Parallelizing node update operations
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Node maintenance API objects
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