Longhorn v1.4.1 release

Release Note

v1.4.1 released! 🎆

This release introduces improvements and bug fixes as described below about stability, performance, space efficiency, resilience, and so on. Please try it and feedback. Thanks for all the contributions!

Installation

Please ensure your Kubernetes cluster is at least v1.21 before installing Longhorn v1.4.1.

Longhorn supports 3 installation ways including Rancher App Marketplace, Kubectl, and Helm. Follow the installation instructions here.

Upgrade

Please ensure your Kubernetes cluster is at least v1.21 before upgrading to Longhorn v1.4.1 from v1.3.x/v1.4.0, which are only supported source versions.

Follow the upgrade instructions here.

Deprecation & Incompatibilities

N/A

Known Issues after Release

Please follow up on here about any outstanding issues found after this release.

Highlights

• [IMPROVEMENT] Periodically clean up volume snapshots (3836) - @c3y1huang @chriscchien

Improvement

• [IMPROVEMENT] Do not count the failure replica reuse failure caused by the disconnection (1923) - @yangchiu @mantissahz
• [IMPROVEMENT] Update uninstallation info to include the 'Deleting Confirmation Flag' in chart (5250) - @PhanLe1010 @roger-ryao
• [IMPROVEMENT] Fix Guaranteed Engine Manager CPU recommendation forumula in UI (5338) - @c3y1huang @smallteeths @roger-ryao
• [IMPROVEMENT] Update PSP validation in the Longhorn upstream chart (5339) - @yangchiu @PhanLe1010
• [IMPROVEMENT] Update ganesha nfs to 4.2.3 (5356) - @derekbit @roger-ryao
• [IMPROVEMENT] Set write-cache of longhorn block device to off explicitly (5382) - @derekbit @chriscchien

Stability

• [BUG] Memory leak in CSI plugin caused by stuck umount processes if the RWX volume is already gone (5296) - @derekbit @roger-ryao
• [BUG] share-manager pod failed to restart after kubelet restart (5507) - @yangchiu @derekbit

Bugs

• [BUG] Longhorn 1.3.2 fails to backup & restore volumes behind Internet proxy (5054) - @mantissahz @chriscchien
• [BUG] RWX doesn't work with release 1.4.0 due to end grace update error from recovery backend (5183) - @derekbit @chriscchien
• [BUG] Incorrect indentation of charts/questions.yaml (5196) - @mantissahz @roger-ryao
• [BUG] Updating option "Allow snapshots removal during trim" for old volumes failed (5218) - @shuo-wu @roger-ryao
• [BUG] Incorrect router retry mechanism (5259) - @mantissahz @chriscchien
• [BUG] System Backup is stuck at Uploading if there are PVs not provisioned by CSI driver (5286) - @c3y1huang @chriscchien
• [BUG] Sync up with backup target during DR volume activation (5292) - @yangchiu @weizhe0422
• [BUG] environment_check.sh does not handle differnt kernel versions in cluster correctly (5304) - @achims311 @roger-ryao
• [BUG] instance-manager-r high memory consumption (5312) - @derekbit @roger-ryao
• [BUG] Replica rebuilding caused by rke2/kubelet restart (5340) - @derekbit @chriscchien
• [BUG] Error message not consistent between create/update recurring job when retain number greater than 50 (5434) - @c3y1huang @chriscchien
• [BUG] Do not copy Host header to API requests forwarded to Longhorn Manager (5438) - @yangchiu @smallteeths
• [BUG] RWX Volume attachment is getting Failed (5456) - @derekbit
• [BUG] test case test_backup_lock_deletion_during_restoration failed (5458) - @yangchiu @derekbit
• [BUG] [master] [v1.4.1-rc1] Volume restoration will never complete if attached node is down (5464) - @derekbit @weizhe0422 @chriscchien
• [BUG] Unable to create support bundle agent pod in air-gap environment (5467) - @yangchiu @c3y1huang
• [BUG] Node disconnection test failed (5476) - @yangchiu @derekbit
• [BUG] Physical node down test failed (5477) - @derekbit @chriscchien
• [BUG] Backing image with sync failure (5481) - @ChanYiLin @roger-ryao
• [BUG] Example of data migration doesn't work for hidden/./dot-files) (5484) - @hedefalk @shuo-wu @chriscchien
• [BUG] test case test_dr_volume_with_backup_block_deletion failed (5489) - @yangchiu @derekbit

Misc

• [TASK][UI] add new recurring job tasks (5272) - @smallteeths @chriscchien

Contributors

• @ChanYiLin
• @PhanLe1010
• @achims311
• @c3y1huang
• @chriscchien
• @derekbit
• @hedefalk
• @innobead
• @mantissahz
• @roger-ryao
• @shuo-wu
• @smallteeths
• @weizhe0422
• @yangchiu