Longhorn - v1.6.1

Longhorn v1.6.1 Release Notes

Longhorn 1.6.1 introduces several improvements and bug fixes that are intended to improve system quality, resilience, and stability.

The Longhorn team appreciates your contributions and expects to receive feedback regarding this release.

[!NOTE]
For more information about release-related terminology, see Releases.

Installation

[!IMPORTANT]
Ensure that your cluster is running Kubernetes v1.21 or later before installing Longhorn v1.6.1.

You can install Longhorn using a variety of tools, including Rancher, Kubectl, and Helm. For more information about installation methods and requirements, see Quick Installation in the Longhorn documentation.

Upgrade

[!IMPORTANT]
Ensure that your cluster is running Kubernetes v1.21 or later before upgrading from Longhorn v1.5.x or v1.6.x to v1.6.1.

Longhorn only allows upgrades from supported versions. For more information about upgrade paths and procedures, see Upgrade in the Longhorn documentation.

Deprecation & Incompatibilities

For information about important changes, including feature incompatibility, deprecation, and removal, see Important Notes in the Longhorn documentation.

Post-Release Known Issues

For information about issues identified after this release, see Release-Known-Issues.

Resolved Issues

Improvement

• [BACKPORT][v1.6.1][IMPROVEMENT] Add dmsetup and dmcrypt utilities check in environment check script 8234 - @derekbit @chriscchien
• [BACKPORT][v1.6.1][IMPROVEMENT] Upgrade support bundle kit version to v0.0.36 8162 - @c3y1huang @roger-ryao
• [BACKPORT][v1.6.1][IMPROVEMENT] Cannot read/write to block volume when the container is run as non-root 8122 - @PhanLe1010 @chriscchien
• [BACKPORT][v1.6.1][IMPROVEMENT] Improve environment_check script for NFS protocol bug and the host system self diagnosis 7971 - @james-munson @roger-ryao
• [BACKPORT][v1.6.1][IMPROVEMENT] Use HEAD instead of a GET to fetch the Content-Length of an resource via URL 7973 - @votdev @roger-ryao
• [BACKPORT][v1.6.1][IMPROVEMENT] Remove startup probe of CSI driver after liveness probe conn fix ready 7886 - @ejweber @roger-ryao
• [BACKPORT][v1.6.1][IMPROVEMENT] Change support-bundle-manager image pull policy to PullIfNotPresent 8000 - @ChanYiLin @roger-ryao

Bug

• [BUG][v1.6.1-rc3] test_backup_lock_creation_during_deletion failed with *.lck type 1 acquisition 8269 - @ChanYiLin @chriscchien
• [BACKPORT][v1.6.1][BUG] Replica rebuild failed 8258 - @shuo-wu @roger-ryao
• [BACKPORT][v1.6.1][BUG] potential risk to unmap a negative number 8237 - @Vicente-Cheng @roger-ryao
• [BACKPORT][v1.6.1][BUG] Can't use longhorn with Generic ephemeral volumes 8213 - @ejweber @chriscchien
• [BUG] [v1.6.1-rc1] v2 volume replica offline rebuilding fail 8187 - @shuo-wu @chriscchien
• [BACKPORT][v1.6.1][BUG] Longhorn api-server PUT request rate 8152 - @ejweber @roger-ryao
• [BACKPORT][v1.6.1][BUG] Use config map to update default-replica-count won't apply to default-replica-count.definition.default if the value equal to current default-replica-count.value 8134 - @james-munson @roger-ryao
• [BACKPORT][v1.6.1][BUG] Failed to restore a backup to file by the scripts/restore-backup-to-file.sh with a CIFS backup target. 8128 - @mantissahz @roger-ryao
• [BACKPORT][v1.6.1][BUG] Exporting data from the existing replicas has issues in 1.6.0 8096 - @ChanYiLin @chriscchien
• [BACKPORT][v1.6.1][BUG] longhorn manager pod fails to start in container-based K3s 7847 - @ChanYiLin @khushboo-rancher @chriscchien
• [BACKPORT][v1.6.1][BUG] no Pending workload pods for volume xxx to be mounted 8081 - @c3y1huang @chriscchien
• [BACKPORT][v1.6.1][BUG] Deadlock is possible in v1.6.0 instance manager 7920 - @roger-ryao
• [BACKPORT][v1.6.1][BUG][1.6.0] ENGINE v2 : disk /dev/xxxx is already used by AIO bdev disk-x 8133 - @derekbit @chriscchien
• [BACKPORT][v1.6.1][BUG] A replica may be incorrectly scheduled to a node with an existing failed replica 8044 - @ejweber @chriscchien
• [BACKPORT][v1.6.1][BUG] Deadlock between volume migration and upgrade after Longhorn upgrade 7870 - @ejweber @roger-ryao
• [BACKPORT][v1.6.1][BUG] Volume cannot attach because of the leftover non-empty volume.status.PendingNodeID after upgrading Longhorn 7995 - @james-munson @chriscchien
• [BACKPORT][v1.6.1][BUG] Longhorn may keep corrupted salvaged replicas and discard good ones 7885 - @ejweber @roger-ryao
• [BACKPORT][v1.6.1][BUG] LH manager reboots due to the webhook is not ready 8037 - @ChanYiLin @chriscchien
• [BACKPORT][v1.6.1][BUG] BackingImage does not download URL correctly in some situation 7987 - @votdev @yangchiu
• [BACKPORT][v1.6.1][BUG] Executing fstrim while rebuilding causes IO errors 7868 - @yangchiu @ejweber
• [BACKPORT][v1.6.1][BUG] The feature of auto remount read only volume not work on a single node cluster. 7846 - @yangchiu @ChanYiLin
• [BACKPORT][v1.6.1][BUG] Missed NodeStageVolume after reboot leads to CreateContainerError 8012 - @ejweber @chriscchien
• [BACKPORT][v1.6.1][BUG] persistence.removeSnapshotsDuringFilesystemTrim Helm variable is unreferenced 7952 - @ejweber @chriscchien
• [BACKPORT][v1.6.1][BUG][v1.5.4-rc4] Test case test_backuptarget_available_during_engine_image_not_ready failed to wait for backup target available 8055 - @c3y1huang @chriscchien
• [BACKPORT][v1.6.1][BUG] Add Snapshot Maximum Count to the Settings 7979 - @FrankYang0529 @roger-ryao
• [BACKPORT][v1.6.1][BUG] Volumes stuck upgrading after 1.5.3 -> 1.6.0 upgrade. 7899 - @ejweber @roger-ryao
• [BACKPORT][v1.6.1][BUG] The activated DR volume do not contain the latest data. 7946 - @shuo-wu @roger-ryao
• [BACKPORT][v1.6.1][BUG][v1.5.x] Recurring job fails to create backup when volume detached 8013 - @yangchiu @mantissahz @PhanLe1010 @c3y1huang
• [BACKPORT][v1.6.1][BUG] Create backup failed: failed lock lock-*.lck type 1 acquisition 7875 - @yangchiu @ChanYiLin @chriscchien
• [BUG] Fix errors in questions.yaml 6392 - @james-munson @chriscchien

Misc

• [BACKPORT][v1.6.1][REFACTOR] move mount point check function to common lib 8124 - @ChanYiLin @chriscchien
• [TASK] Fix updating patch digest dependencies (v1.6.x) 8107 - @mantissahz

Contributors

• @ChanYiLin
• @FrankYang0529
• @PhanLe1010
• @Vicente-Cheng
• @c3y1huang
• @chriscchien
• @derekbit
• @ejweber
• @innobead
• @james-munson
• @khushboo-rancher
• @mantissahz
• @roger-ryao
• @shuo-wu
• @votdev
• @yangchiu