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Longhorn

v1.10.2Storage & Data
Jan 28, 2026

CHECK 2OTHER 23

Longhorn v1.10.2 is a maintenance release with a hotfixed backing image manager and fixes for operational correctness issues, including a cluster DNS query defect. It also includes a new FastFailover namespace inheritance feature and other volume, replica, CSI, and UI fixes.

Check if affected (2)

  • securityCluster DNS TXT queries from instance-manager

    Applies if instance-manager runs on nodes without hard or solid state disks.

    v1.10.2 corrects a defect where instance-manager on nodes without hard or solid state disks could flood the cluster DNS server with TXT queries for _grpc_config.localhost.

  • breakingThe backing-image-manager:v1.10.2 image replacement

    Applies if your deployment uses backing-image-manager:v1.10.2.

    In v1.10.2, replace backing-image-manager:v1.10.2 with the hotfixed image backing-image-manager:v1.10.2-hotfix-1.

All 23 other recorded changesfixes 22 · additions 1

fixes (22)

  • Fixed a race condition where **ReadWriteMany (RWX) volumes** could remain in the *attaching* state after node drains, causing workloads to become unavailable.
  • Fixed an issue where online expansion of encrypted volumes did not propagate the new size to the dm-crypt device.
  • Fixed a bug where cloned volumes could fail to reach a healthy state, preventing attachment to workloads.
  • Fixed a regression in block-mode volume migrations where newly created replicas could incorrectly inherit the lastFailedAt timestamp from source replicas, causing repeated deletion and blocking migration completion.
  • Fixed an issue where replica auto-balance under disk pressure could be blocked if stopped volumes were present on the disk.
  • Fixed a bug where temporary replicas could accumulate during engine upgrade.
  • Fixed potential context leaks in the instance manager client and backing image manager client, improving stability and preventing resource exhaustion.
  • Fixed a bug of replica scheduling loop where replicas could be scheduled onto nodes that already host a replica, even when *Replica Node-Level Soft Anti-Affinity* was disabled.
  • [BACKPORT][v1.10.2][IMPROVEMENT] Fix V2 Volume CSI Clone Slowness Caused by VolumeAttachment Webhook Blocking
  • Replica rebuild, clone and restore fail, traffic being sent to HTTP proxy
  • Healthy replica could be deleted unexpectedly after reducing volume's number of replicas
  • Data locality enabled volume fails to remove an existing running replica after numberOfReplicas reduced
  • System backup may fail to be created or deleted
  • Some default settings in questions.yaml are placed incorrectly.
  • Auto balance feature may lead to volumes falling into a replica deletion-recreation loop
  • Single replica volume could get stuck in attaching/detaching loop after the replica node rebooted
  • SnapshotBack proxy request might be sent to incorrect instance-manager pod
  • unknown OS condition in node CR is not properly removed during upgrade
  • mounting error is not properly hanedled during CSI node publish volume
  • The auo generated backing image pod name is complained by kubelet
  • invalid memory address or nil pointer dereference (again)
  • Request Header Or Cookie Too Large in Web UI with OIDC auth

additions (1)

  • [BACKPORT][v1.10.2][FEATURE] Inherit namespace for longhorn-share-manager in FastFailover mode
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