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Mirantis OpenStack for Kubernetes
  • Product Overview
  • Reference Architecture
    • Cluster types
    • Deployment profiles
    • Components overview
    • Requirements
      • MOSK cluster hardware requirements
      • Management cluster storage
      • System requirements for the seed node
      • Components collocation
      • Infrastructure requirements
      • DHCP range requirements for PXE
    • Management cluster
      • Bare metal provider
      • Release Controller
      • Management console
      • Identity and access management
        • External identity provider integration
        • Authentication and authorization
          • Implementation flow
          • Kubernetes CLI authentication flow
    • Cloud services
      • Compute service
        • Resource oversubscription
        • Virtual CPU
        • Instance migration
        • Image storage backend
        • Remote console access to virtual machines
        • GPU virtualization
        • Graceful instance shutdown
      • Networking service
        • Backends
        • General configuration
        • BGP dynamic routing
        • DVR incompatibility with ARP announcements and VRRP
      • Block Storage service
        • Backup configuration
        • Volume encryption
        • Volume configuration
      • Identity service
        • Federation
        • Regions
        • Application credentials
        • Domain-specific configuration
      • Image service
      • Object Storage service
      • Dashboard
      • Bare Metal service
      • DNS service
      • Key Manager service
      • Instance High Availability service
        • Enabling the Instance HA service
        • Enabling introspective instance monitor
      • Shared Filesystems service
      • Dynamic Resource Balancer service
    • OpenStack
      • OpenStack cluster
      • OpenStack lifecycle management
        • OpenStack Controller (Rockoon)
        • OpenStackDeployment Admission Controller
        • OpenStack Exporter
      • OpenStack configuration
        • OpenStackDeployment custom resource
        • OpenStackDeploymentStatus custom resource
        • OpenStack Controller configuration
        • Custom OpenStack images
      • 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
        • Synchronization of local MariaDB backups with a remote S3 storage
      • 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
      • Tungsten Fabric IPv6 support
    • Networking
      • Networking overview
      • Management cluster networking
      • MOSK cluster networking
      • Network types
      • IP Address Management
      • Multi-rack architecture
      • Physical networks layout
      • Underlay networking: routing configuration
      • Performance optimization
      • Built-in load balancing
      • Proxy support and cache of artifacts
    • Bare metal
      • Bare metal components
      • Extended hardware configuration
    • Kubernetes underlay
      • LCM custom resources
      • LCM Controller
      • LCM Agent
      • Helm Controller
      • MKE API limitations
      • MKE configuration management
    • Storage
      • Ceph overview
      • Ceph limitations
      • Ceph integration with OpenStack
      • Addressing storage devices
    • Logging, monitoring, and alerting
      • Deployment architecture
      • Supported features
      • Authentication flow
      • Monitored components
      • Storage-based log retention strategy
      • OpenSearch and Prometheus storage sizing
      • StackLight integration with OpenStack
      • Workload monitoring
      • Outbound cluster metrics
      • StackLight logging indices
      • StackLight proxy
    • 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 and deploy a management cluster
      • Deploy a management cluster
        • Introduction
        • Overview of the deployment workflow
        • Set up a bootstrap cluster
        • Deploy a management cluster
        • Configure bare metal settings
          • Configure BIOS on a bare metal host
          • Customize the default bare metal host profile
          • Configure NIC bonding
          • Separate PXE and management networks
          • Configure multiple DHCP address ranges
          • Enable dynamic IP allocation
          • Set a custom external IP address for the DHCP service
        • Configure optional settings
        • Post-deployment steps
      • Create initial users after a management cluster bootstrap
      • Requirements for a MITM proxy
      • Configure external identity provider for IAM
        • Configure LDAP for IAM
        • Configure Google OAuth IdP for IAM
    • Create a managed cluster
      • Create a project for MOSK clusters
      • Add a bare metal host
        • Add a bare metal host using web UI
        • Add a bare metal host using CLI
      • Create a custom bare metal host profile
        • Default configuration of the host system storage
        • Wipe a device or partition
        • Create MOSK host profiles
        • Configure Ceph disks in a host profile
        • Enable huge pages in a host profile
        • Configure RAID support
          • Create an LVM software RAID (raid1)
          • Create LVM volume groups on top of RAID devices
          • Create an mdadm software RAID (raid0, raid1, raid10)
          • Create an mdadm software RAID level 10 (raid10)
      • Create a MOSK cluster
        • Create a managed bare metal cluster
        • Configure MetalLB
          • Configure and verify MetalLB
          • Configure node selectors for MetalLB speakers
          • MetalLB configuration guidelines for subnets
        • Configure BGP announcement for cluster API LB address
        • Obtain and use details about network interfaces
        • Create subnets
          • Service labels and their life cycle
          • Create subnets for a managed cluster using web UI
          • Create subnets for a managed cluster using CLI
        • Create L2 templates
          • Create an L2 template for a new cluster
          • 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
          • L2 template example with bonds and bridges
          • L2 template example for automatic multiple subnet creation
        • Example of a complete template configuration for cluster creation
        • Automate multiple subnet creation using SubnetPool
      • Add a machine
        • Create a machine using CLI
        • Create a machine using web UI
        • Assign L2 templates to machines
        • Deploy a machine to a specific bare metal host
        • Override network interfaces naming and order
        • Manually allocate IP addresses for bare metal hosts
      • Add a Ceph 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
        • 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
      • 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
      • Update to a major version
      • Update to a patch version
      • Verify the management cluster status before MOSK update
      • Change the upgrade order of a machine
      • Configure the parallel update of worker nodes
      • Create update groups for worker machines
      • Granularly update a managed cluster using the ClusterUpdatePlan object
      • Configure update auto-pause
      • Calculate a maintenance window duration for update Deprecated
    • Getting access
      • Generate a kubeconfig for a MOSK cluster using API
      • Connect to a MOSK cluster
      • Access the Keycloak Admin Console
      • Access the Tungsten Fabric web UI
      • Add a cluster to Lens
    • 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
      • Troubleshoot orphaned resource allocations
      • Start monitoring IP address capacity
    • OpenStack services configuration
      • Configure high availability with Masakari
      • Configure monitoring of cloud workload availability
    • Ceph operations
      • Ceph default configuration options
      • Ceph advanced configuration
      • Configure Ceph Object Gateway TLS
      • Use object storage server-side encryption
      • Set an Amazon S3 bucket policy
        • Create Ceph Object Storage users
        • Set a bucket policy for a Ceph Object Storage user
        • Set a bucket policy for OpenStack users
      • Calculate target ratio for Ceph pools
      • Ceph pools for Cinder multi-backend
      • Automated Ceph LCM
        • High-level workflow of Ceph OSD or node removal
          • Creating a Ceph OSD removal request
          • KaaSCephOperationRequest OSD removal specification
          • KaaSCephOperationRequest OSD removal status
        • Add, remove, or reconfigure Ceph nodes
        • Add, remove, or reconfigure Ceph OSDs
        • Add, remove, or reconfigure Ceph OSDs with metadata devices
        • Replace a failed Ceph OSD
        • Replace a failed Ceph OSD with a metadata device
          • Replace a failed Ceph OSD with a metadata device as a logical volume path
          • Replace a failed Ceph OSD disk with a metadata device as a device name
        • Replace a failed metadata device
        • Replace a failed Ceph node
      • Remove Ceph OSD manually
      • Migrate Ceph cluster to address storage devices using by-id
      • Obtain a by-id symlink of a storage device
      • Increase Ceph cluster storage size
      • Move a Ceph Monitor daemon to another node
      • Migrate a Ceph Monitor before machine replacement
      • Enable Ceph RGW Object Storage
      • Enable multisite for Ceph RGW Object Storage
      • Manage Ceph RBD or CephFS clients and RGW users
        • Manage Ceph RBD or CephFS clients
        • Manage Ceph Object Storage users
      • Verify Ceph
        • Verify the Ceph core services
        • Verify rook-discover
        • Verify Ceph cluster state through CLI
          • Verify Ceph cluster state
          • KaaSCephCluster.status description
        • View Ceph cluster summary through the Container Cloud web UI
        • Verify Ceph Controller and Rook
      • Enable Ceph tolerations and resources management
        • Enable Ceph tolerations and resources management
        • Verify Ceph tolerations and resources management
      • Enable Ceph multinetwork
      • Enable Ceph RBD mirroring
      • Configure Ceph Shared File System (CephFS)
      • Share Ceph across two managed clusters
      • Specify placement of Ceph cluster daemons
      • Migrate Ceph pools from one failure domain to another
      • Enable periodic Ceph performance testing
        • Create a Ceph performance test request
        • KaaSCephOperationRequest CR perftest specification
        • KaaSCephOperationRequest perftest status
    • StackLight operations
      • Configure StackLight
        • StackLight configuration procedure
        • StackLight configuration parameters
        • Verify StackLight after configuration
      • Tune OpenSearch performance
      • Export logs from OpenSearch Dashboards to CSV
      • OpenSearch Dashboards
        • View OpenSearch Dashboards
        • Search in OpenSearch Dashboards
      • View Grafana dashboards
      • Export data from Table panels of Grafana dashboards to CSV
      • StackLight alerts
        • OpenStack
          • OpenStack system services
            • Libvirt
            • MariaDB
            • Memcached
            • SSL certificates
            • RabbitMQ
          • OpenStack core services
            • OpenStack services API
            • Cinder
            • Ironic
            • Neutron
            • Nova
            • Cloudprober
            • Portprober
            • PowerDNS
            • Credential rotation
          • OpenStack Controller (Rockoon)
        • Tungsten Fabric
          • Cassandra
          • Kafka
          • Redis
          • Tungsten Fabric Operator
          • Tungsten Fabric
          • ZooKeeper
        • StackLight
          • Alertmanager
          • cAdvisor
          • Elasticsearch Exporter
          • Fluentd
          • General
          • Grafana
          • Monitoring of external endpoints
          • OpenSearch
          • PostgreSQL and Patroni
          • Prometheus
          • Prometheus MS Teams
          • Prometheus Relay
          • ServiceNow
          • Salesforce notifier
          • Telegraf
          • Telemeter
        • Ceph
        • Bare metal
          • Bond interface
          • Ironic
          • Kernel
          • Host Operating System Modules Controller
        • Generic
          • Calico
          • Etcd
        • Kubernetes
          • Kubernetes applications
          • Kubernetes resources
          • Kubernetes storage
          • Kubernetes system
        • Mirantis Container Cloud
          • Helm Controller
          • Container Cloud
          • Container Cloud cache
          • Container Cloud controllers
          • Container Cloud providers
          • Container Cloud SSL
          • Release Controller
        • Mirantis Kubernetes Engine
        • Node
          • General
          • Node network
          • Node time
      • Alert dependencies
      • Silence alerts
      • StackLight rules for Kubernetes network policies
      • Calculate the storage retention time
      • Tune StackLight for long-term log retention
      • Enable log forwarding to external destinations
      • Enable remote logging to syslog
      • Create logs-based metrics
      • Enable generic metric scraping
      • Manage metrics filtering
      • Use S.M.A.R.T. metrics for creating alert rules
      • Deschedule StackLight Pods from a worker machine
    • 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 Tungsten Fabric Cassandra repairs
      • Enable contrail-tools
      • Enable tf-api-cli
    • Bare metal operations
      • Upgrade an operating system distribution
      • Automatic upgrade of a host operating system
      • Remove old Ubuntu kernel packages
      • Host operating system configuration
        • Host OS configuration management workflow
        • Global recommendations for implementation of custom modules
        • Format and structure of a module package
        • Modules provided by MOSK
        • HostOSConfiguration and HostOSConfigurationModules concepts
        • Internal API for host OS configuration management
        • Add a custom module to a MOSK deployment
        • Test a custom or MOSK module after creation
        • Retrigger a module configuration
        • Troubleshooting
      • Migrate container runtime from Docker to containerd
      • Change a user name and password for a bare metal host
      • Restart the inspection of a bare metal host
      • Restart a bare metal host
      • 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
      • Run cluster self-diagnostics
        • Trigger self-diagnostics for a management or managed cluster
        • Self-upgrades of the Diagnostic Controller
        • Diagnostic checks for the bare metal provider
    • IAM operations
      • Manage user roles through Container Cloud API
        • Available IAM roles and use cases
        • Mapping of Keycloak roles to IAM*RoleBinding objects
      • Manage user roles through the Container Cloud web UI
      • Manage user roles through Keycloak
        • MOSK roles and scopes
        • Use cases
      • Change passwords for IAM users
      • Obtain MariaDB credentials for IAM
      • Manage Keycloak truststore using the Container Cloud web UI
    • Management cluster operations
      • Container Cloud CLI
      • Workflow and configuration of management cluster upgrade
      • Schedule Mirantis Container Cloud updates
      • Renew the Container Cloud and MKE licenses
      • Configure NTP server
      • Automatically propagate Salesforce configuration to all clusters
      • Update the Keycloak IP address on bare metal clusters
      • Configure host names for cluster machines
      • Back up MariaDB on a management cluster
        • Configure periodic backups of MariaDB
        • Verify operability of the MariaDB backup jobs
        • Restore MariaDB databases
        • Change the storage node for MariaDB
      • Remove a management cluster
      • Warm up the Container Cloud cache
    • General operations
      • Change a cluster configuration
      • Enable cluster and machine maintenance mode
        • Enable maintenance mode on a cluster and machine using web UI
        • Enable maintenance mode on a cluster and machine using CLI
      • Disable a machine
      • Perform a graceful reboot of a cluster
      • Delete a cluster machine
        • Precautions for a cluster machine deletion
        • Delete a cluster machine using web UI
        • Delete a cluster machine using CLI
      • Delete a managed cluster
      • Verify cluster status
      • Verify machine status
    • Underlay Kubernetes operations
      • Set the MTU size for Calico
      • Add or update a CA certificate for a MITM proxy using API
      • Configure TLS certificates for cluster applications
      • Define a custom CA certificate for a private Docker registry
      • Increase memory limits for cluster components
      • Increase storage quota for etcd
      • Configure Kubernetes auditing and profiling
    • Limitations
  • Troubleshooting Guide
    • Collect cluster logs
    • Inspect the history of a cluster and machine deployment or update
    • Cluster deletion or detachment freezes
    • Keycloak admin console becomes inaccessible after changing the theme
    • The ‘database space exceeded’ error on large clusters
    • The auditd events cause ‘backlog limit exceeded’ messages
    • Troubleshoot a management cluster bootstrap
      • Troubleshoot the bootstrap node configuration
        • DNS settings
        • Default network addresses
      • Troubleshoot the bootstrap region creation
      • Troubleshoot machine creation
      • Troubleshoot deployment stages
      • Collect the bootstrap logs
    • Troubleshoot bare metal
      • Log in to the IPA virtual console for hardware troubleshooting
      • Bare metal hosts in ‘provisioned registration error’ state after update
      • Inspection error on bare metal hosts after dnsmasq restart
      • Troubleshoot an operating system upgrade with host restart
      • Troubleshoot iPXE boot issues
      • Provisioning failure due to device naming issues in a bare metal host profile
    • Troubleshoot Ceph
      • Ceph disaster recovery
      • Ceph Monitors recovery
      • KaaSCephOperationRequest failure with a timeout during rebalance
      • Ceph Monitors store.db size rapidly growing
      • Replaced Ceph OSD fails to start on authorization
      • The ceph-exporter pods are present in the Ceph crash list
      • Ceph health reports PG_DAMAGED after a failed disk or node replacement
    • Troubleshoot StackLight
      • Patroni replication lag
      • Alertmanager does not send resolve notifications for custom alerts
      • Troubleshoot alerts
        • Troubleshoot cAdvisor alerts
        • Troubleshoot Helm Controller alerts
        • Troubleshoot Host Operating System Modules Controller alerts
        • Troubleshoot Ubuntu kernel alerts
        • Troubleshoot Kubernetes applications alerts
        • Troubleshoot Kubernetes resources alerts
        • Troubleshoot Kubernetes storage alerts
        • Troubleshoot Kubernetes system alerts
        • Troubleshoot Mirantis Container Cloud Exporter alerts
        • Troubleshoot Mirantis Kubernetes Engine alerts
        • Troubleshoot OpenSearch alerts
        • Troubleshoot Release Controller alerts
        • Troubleshoot Telemeter client alerts
      • OpenSearchPVCMismatch alert raises due to the OpenSearch PVC size mismatch
      • OpenSearch cluster deadlock due to the corrupted index
      • Failure of shard relocation in the OpenSearch cluster
      • StackLight pods get stuck with the ‘NodeAffinity failed’ error
      • No logs are forwarded to Splunk
  • API Reference
    • Management resources
      • General resources
        • PublicKey resource
        • License resource
        • TLSConfig resource
        • ContainerRegistry resource
        • MCCUpgrade resource
        • CacheWarmupRequest resource
      • IAM resources
        • IAMUser resource
        • IAMRole resource
        • IAMGlobalRoleBinding resource
        • IAMRoleBinding resource
        • IAMClusterRoleBinding resource
      • Cluster resources
        • BareMetalHost resource
        • BareMetalHostCredential resource
        • BareMetalHostInventory resource
        • BareMetalHostProfile resource
        • Cluster resource
        • Machine resource
      • Cluster lifecycle resources
        • Diagnostic resource
        • GracefulRebootRequest resource
        • ClusterUpdatePlan resource
        • UpdateGroup resource
        • UpdateAutoPause resource
      • Networking resources
        • IPaddr
        • IpamHost
        • L2Template
        • MetalLBConfig
        • MetalLBConfigTemplate
        • MultiRackCluster
        • Rack
        • Subnet
        • SubnetPool
      • Host OS configuration resources
        • HostOSConfiguration
        • HostOSConfigurationModules
    • OpenStack Operator resources
    • Tungsten Fabric Operator resources
    • Ceph resources
    • StackLight resources
  • User Guide
    • Use the Instance HA service
    • Configure the introspective instance monitor
    • Manage application credentials
    • Authenticate in OpenStack API as a federated OIDC user
    • Use the Shared Filesystems service
      • Set up Shared Filesystems service with generic driver
      • Set up Shared Filesystems service with CephFS driver
    • 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
    • Migrate instances
    • Configure network trunking in projects
    • Configure per-instance migration mode
  • 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
    • 25.1 series
      • 25.1
        • New features
        • Known issues
        • Release artifacts
        • Addressed issues
        • Update notes
        • Security notes
      • 25.1.1 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
    • 24.3 series
      • 24.3
        • New features
        • Major components versions
        • Known issues
        • Release artifacts
        • Addressed issues
        • Update notes
        • Security notes
      • 24.3.1 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.3.2 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.3.3 patch
        • Release artifacts
        • Security notes
        • Known issues
        • Update notes
      • 24.3.4 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.3.5 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.3.6 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.3.7 patch
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
    • 24.2 series
      • 24.2
        • New features
        • Major components versions
        • Known issues
          • OpenStack known issues
          • Tungsten Fabric known issues
          • Update known issues
          • Container Cloud web UI 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
      • 24.2.3 patch
        • Highlights
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.2.4 patch
        • Highlights
        • Release artifacts
        • Security notes
        • Addressed issues
        • Known issues
        • Update notes
      • 24.2.5 patch
        • Highlights
        • Release artifacts
        • Security notes
        • Addressed issues
        • 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
    • Release notes for older product versions
      • 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
      • 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
  • Compatibility Matrix
    • MOSK cluster components compatibility
    • Management cluster components compatibility
    • Cluster versions compatibility
    • MOSK cluster update schema
    • Compatibility matrix for older releases
      • MOSK cluster components compatibility for older releases
      • Management cluster components compatibility for older releases
  • Deprecation Notes
    • OpenStack
    • Tungsten Fabric
    • Bare metal
    • Container Cloud
    • Ceph
    • StackLight
  • Release cadence and support cycle

25.1 series¶

  • 25.1
    • New features
    • Known issues
    • Release artifacts
    • Addressed issues
    • Update notes
    • Security notes
  • 25.1.1 patch
    • Release artifacts
    • Security notes
    • Addressed issues
    • Known issues
    • Update notes
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25.1
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Release Notes
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