Container Service for Kubernetes:migrate-controller

September 2025

New features

• Supports adjusting volume capacity during restoration by transforming the StorageClass.

Optimizations

• Improves the information displayed when a backup is partially successful.

Bug fixes

• Fixes an occasional error that occurs when backing up cloud disk volumes using Cloud Backup.

Impact: This change may interrupt backup jobs that are in progress.

July 2025

New features

• Supports the ECS Metadata Server hardening mode.

• Supports restoring data to an OSS StorageClass.

• Displays the corresponding snapshot instance ID in backup results when a cloud disk volume is successfully backed up.

Optimizations

• Improves concurrency logic for Cloud Backup restore jobs.

Bug fixes

• Fixes an issue where associating a backup repository with a cluster for the first time occasionally fails.

Impact: This change may interrupt backup jobs that are in progress.

March 2025

New features

• Supports specifying the endpoint of an OSS bucket when creating a backup repository.

Optimizations

• Improves concurrency logic for Cloud Backup jobs.

Bug fixes

• Fixes a backup issue for multi-attach cloud disks.

Impact: This change may interrupt backup jobs that are in progress.

January 2025

New features

• Supports modifying the access modes (accessModes) of volumes during a StorageClass transformation.

• Upgrades the Cloud Backup client to v2.25.1, adding support for additional regions including China (Guangzhou).

Optimizations

• Improves error messages for StorageClass transformations.

Bug fixes

• Fixes an issue where the Cloud Backup client fails to be automatically deployed during restoration.

• Fixes an issue where the corresponding Cloud Backup job is not automatically canceled when you delete an in-progress backup.

• Fixes an issue where Elastic Container Instance (ECI) instances cannot be restored in some scenarios.

Impact: This change may interrupt backup jobs that are in progress.

December 2024

New features

• Supports selecting multiple tags based on OR logic to specify the persistent volume claims (PVCs) to back up.

• Supports specifying a list of StorageClasses to select the PVCs to back up.

• Automatically appends Secret resources referenced by backed-up volumes, and automatically updates reference information based on the NamespaceMapping configuration during restoration.

• Automatically appends IngressClass resources specified by annotations in the Ingress.

Impact: This change may interrupt backup jobs that are in progress.

September 2024

New features

• Supports automatic apiVersion upgrades for ingresses.extensions resources.

• Supports automatic switchover for FlexVolume PVCs and PVs when restoring to a Container Storage Interface (CSI) cluster.

• Adds an accessModes check when restoring cloud disk volumes.

• Adds the imageRegistryMapping field for automatic transformation of image registry addresses.

Impact: This change may interrupt backup jobs that are in progress.

July 2024

New features

• Supports restoring the latest backup by specifying the backup plan name.

• Supports skipping a specific backup job in a backup schedule.

Optimizations

• Improves status display for backup and restore jobs.

Bug fixes

• Fixes an issue where backing up many non-Enhanced SSD (ESSD) cloud disks simultaneously triggers CSI throttling and causes some backups to fail.

Impact: This change may interrupt backup jobs that are in progress.

May 2024

New features

• Supports backing up volume data by namespace.

Optimizations

• Improves cloud resource authentication logic for ACK managed clusters.

Bug fixes

• Fixes an issue where IngressClass resources cannot be automatically backed up.

Impact: This change may interrupt backup jobs that are in progress.

April 2024

Optimizations

• Improves backup speed for applications and volumes with small amounts of data.

• Changes the default time-to-live (TTL) of cloud disk snapshots created from backups to 30 days, for clusters running an earlier version of the CSI storage plug-in.

Bug fixes

• Fixes a data collection issue for backup center monitoring.

• Fixes a deployment issue for some subcomponents in ACK serverless clusters.

Impact: This change may interrupt backup jobs that are in progress.

February 2024

New features

• Supports backing up and restoring from one PVC to another.

• Supports skipping specific volumes during data backup by adding tags.

• For ACK Edge clusters: the component is now installed on cloud nodes by default and accesses OSS over the internal network.

Optimizations

• Improves the details displayed when a partial cluster resource restoration fails.

• Improves the logic for reclaiming temporary resources during backup and restoration.

Impact: This change may interrupt backup jobs that are in progress.

December 2023

v1.7.8 — New features

• Supports backing up and restoring PVCs of the cloud disk type.

• Supports out-of-tree storage drivers, including CephFS and RBD.

v1.7.8 — Optimizations

• Improves backup logic for StorageClass transformation.

v1.7.7 — New features

• Supports cross-region restoration of ECS cloud disk volumes.

• Supports globally adjusting the timeout period for Velero application backups.

v1.7.7 — Bug fixes

• Fixes an issue where the Cloud Backup token is missing after the component is reinstalled.

Impact: This change may interrupt backup jobs that are in progress.

November 2023

New features

• Supports backing up applications and data in FlexVolume clusters (data can be restored only to CSI clusters).

• For backups that include volumes: supports restoring only the applications.

• For backups that include multiple namespaces: supports restoring only a subset of namespaces.

• Supports the ARM64 architecture.

• Automatically adjusts apiVersion when the Kubernetes versions of the source and destination clusters differ.

Bug fixes

• Fixes several data restoration issues.

Impact: This change may interrupt backup jobs that are in progress.

September 2023

New features

• Supports pausing backup schedules.

• Supports application backup and restoration in serverless Kubernetes (ASK) clusters.

• For clusters running Kubernetes or CSI versions earlier than 1.18: cloud disk data is now backed up using Cloud Backup by default.

• Automatically disables the force listener feature when restoring a LoadBalancer service that uses an existing Server Load Balancer (SLB) instance.

Bug fixes

• Fixes an issue where backup or snapshot creation jobs remain in the InProgress state for an extended period in some cases.

Impact: This change may interrupt backup jobs that are in progress.

August 2023

New features

• Supports recreating snapshots of other types.

• Supports customizing the connectivity check and backup synchronization interval for backup repositories.

• Supports cross-cloud provider backup and restoration based on the CSI protocol.

• Supports data collection for backup repositories and backup jobs.

• Allows registered clusters connected through Cloud Backup to access Cloud Backup over the internal network.

Impact: This change may interrupt backup jobs that are in progress.

July 2023

New features

• Supports automatically clearing expired backup jobs in a cluster.

• Supports excluding namespaces when creating a backup schedule.

• Supports automatic adjustment when a namespace specified in a backup schedule is deleted.

• Supports selecting custom StorageClasses of the cloud disk and Network Attached Storage (NAS) types when creating a snapshot.

• Enables standard log output for the hbr-client component.

Bug fixes

• Fixes a permission configuration issue for ACK dedicated clusters in some cases.

Impact: This change may interrupt backup jobs that are in progress.

May 2023

New features

• Supports the NFS CSI Driver for volume backups.

Impact: This change may interrupt backup jobs that are in progress.

April 2023

New features

• Supports forcing or changing the NodePort of an application by configuring the preserveNodePorts parameter when creating a restore job.

• Supports using a partially successful Cloud Backup data backup to restore both the application and the successfully backed-up data.

Impact: This change may interrupt backup jobs that are in progress.

March 2023

New features

• Supports ACK Edge clusters.

• Supports customizing preserveNodePorts.

Impact: This change may interrupt backup jobs that are in progress.

February 2023

New features

• Supports snapshot transformation and restoration in multi-zone clusters.

• When the destination cluster for restoration does not exist, automatically converts the StorageClass of volumes in the data backup to alicloud-disk-topology-alltype or alibabacloud-cnfs-nas.

Bug fixes

• Fixes an issue where converting CNFS volumes to cloud disk snapshots remains in the InProgress state for an extended period.

Impact: This change may interrupt backup jobs that are in progress.

December 2022

v1.6.10 — New features

• Supports backing up a large number of namespaces.

v1.6.10 — Bug fixes

• Fixes an hbr-client-token generation issue in specific cases.

v1.6.9 — Changes

• Retains replicas that are synced to the cluster when a backup is deleted.

Impact: This change may interrupt backup jobs that are in progress.

November 2022

New features

• Supports customizing the NodePort configuration during application restoration.

• Supports restoring only application templates from a backup.

Changes

• Blocks FlexVolume users in admission control.

Impact: This change may interrupt backup jobs that are in progress.

September 2022

v1.6.7 — New features

• Supports querying the source cluster of a backup during application restoration.

v1.6.7 — Bug fixes

• Fixes an issue where some Custom Resource Definition (CRD) versions are not supported during application backup.

v1.6.6 — Optimizations

• Improves the backup process in the backup center.

Impact: This change may interrupt backup jobs that are in progress.

August 2022

New features

• Supports continuous synchronization of cross-cluster backups.

• Supports backup and restoration at the individual namespace level.

Impact: This change may interrupt backup jobs that are in progress.

May 2022

New features

• Supports accessing the container disaster recovery and backup service and Container Service using VPC domain names.

• Supports backing up clusters without public network access.

Impact: This change may interrupt backup jobs that are in progress.

March 2022

New features

• Compatible with Kubernetes version 1.22 clusters.

• Adds support for default node taints in hbr-client.

Bug fixes

• Fixes an issue with mismatched backup expiration times.

Impact: This change may interrupt backup jobs that are in progress.

December 2021

Changes

• The hbr-client is now deployed on demand instead of on every node.

Impact: This change may interrupt backup jobs that are in progress.

November 2021

New features

• Supports multiple clusters.

• Supports creating snapshot backups for PVCs of the cloud disk type.

• Supports cross-region snapshot backups.

Optimizations

• Improves concurrency for snapshot creation.

Impact: This change may interrupt backup jobs that are in progress.

October 2021

v1.5.7 — Optimizations

• Improves the logic for internal access to Cloud Backup.

v1.5.6 — Optimizations

• Improves the file system backup method.

• Supports dynamically enabling the Cloud Backup client.

Impact: This change may interrupt backup jobs that are in progress.

September 2021

v1.5.5 — New features

• Supports using backslashes (\) in OSS subdirectory paths.

v1.5.5 — Optimizations

• Updates the error message for failed backups.

• Adds an error message when backing up file system data without enabling the Cloud Backup service.

v1.5.5 — Changes

• The DaemonSet for the Cloud Backup client is no longer automatically installed by default. To use Cloud Backup, install the client manually.

v1.5.5 — Bug fixes

• Fixes an issue where namespace creation fails during data restoration.

v1.5.2 — New features

• Supports converting Cloud Backup file backups to cloud disk snapshots and NAS snapshots to reduce the RTO during restoration.

v1.5.2 — Changes

• Compatible with earlier versions.

• Upgrades the snapshot creation method.

• Upgrades file backups to use Cloud Backup.

• Upgrades the access control policy for ACK managed clusters.

• Discontinues support for using Restic to back up data.

Impact: This change may interrupt backup jobs that are in progress.

July 2021

New features

• Supports enabling the snapshot feature based on the Kubernetes and CSI versions of the cluster.

Impact: This change may interrupt backup jobs that are in progress.

March 2021

v1.3.1-3026c10 — Changes

• Upgrades the component uninstallation logic and fixes component issues.

v1.3.1-665c3ea — New features

• Supports cloud disk snapshots in registered clusters.

v1.3.0 — New features

• Adds the cloud disk snapshot mode to support volume storage backups.

Impact: Ongoing backup tasks may be interrupted. To upgrade v1.3.0, submit a ticketsubmit a ticketsubmit a ticket to contact the helpdesk.

December 2020

v1.0.1.2-h — Changes

• Updates Velero for ACK registered clusters to community version 1.5.2.

Impact: Ongoing backup tasks may be interrupted. To upgrade, submit a ticketsubmit a ticketsubmit a ticket to contact technical support.

v1.0.1.2-a — Changes

• Updates Velero for ACK managed clusters and ACK dedicated clusters to community version 1.5.2.

Impact: Ongoing backup tasks may be interrupted. To upgrade, submit a ticketsubmit a ticketsubmit a ticket to contact the helpdesk.

September 2020

New features

• Supports application migration, backup, and restoration for ACK registered clusters and ACK managed clusters.

Impact: First release.