Longhorn - v1.5.5

Longhorn v1.5.5 Release Notes

This latest stable version of Longhorn 1.5 introduces several improvements and bug fixes that are intended to improve system quality, resilience, and stability.

The Longhorn team appreciates your contributions and anticipates receiving 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 v1.5.5.

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 v1.4.x or v1.5.x (< v1.5.5) to v1.5.5.

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

Improvements

• [BACKPORT][v1.5.5][IMPROVEMENT] Cannot read/write to block volume when the container is run as non-root 8123 - @PhanLe1010 @chriscchien
• [BACKPORT][v1.5.5][IMPROVEMENT] Do not terminate nfs-ganesha in share-manager pod after failing to access recovery backend 8347 - @derekbit @chriscchien
• [BACKPORT][v1.5.5][IMPROVEMENT] Expose virtual size of qcow2 backing images 8321 - @shuo-wu @chriscchien
• [BACKPORT][v1.5.5][IMPROVEMENT] Improve logging in CSI plugin when mount fails. 8286 - @james-munson @chriscchien
• [BACKPORT][v1.5.5][IMPROVEMENT] Upgrade support bundle kit version to v0.0.36 8161 - @c3y1huang @roger-ryao
• [BACKPORT][v1.5.5][IMPROVEMENT] Improve environment_check script for NFS protocol bug and the host system self diagnosis 7972 - @james-munson @roger-ryao

Bug Fixes

• Security issues in latest longhorn docker images 8372 - @c3y1huang @chriscchien
• [BACKPORT][v1.5.5][BUG] Backup marked as "completed" cannot be restored, gzip: invalid header 8378 - @derekbit @chriscchien
• [BACKPORT][v1.5.5][BUG][v1.6.0-rc1] Failed to run instance-manager in storage network environment 8305 - @yangchiu @ejweber
• [BACKPORT][v1.5.5][BUG] Replica rebuild failed 8257 - @shuo-wu @chriscchien
• [BACKPORT][v1.5.5][BUG] longhorn manager pod fails to start in container-based K3s 7948 - @ChanYiLin @chriscchien
• [BACKPORT][v1.5.5][BUG] persistence.removeSnapshotsDuringFilesystemTrim Helm variable is unreferenced 7951 - @ejweber @roger-ryao
• [BACKPORT][v1.5.5][BUG] Failed to restore a backup to file by the scripts/restore-backup-to-file.sh with a CIFS backup target. 8127 - @mantissahz @roger-ryao
• [BACKPORT][v1.5.5][BUG] Longhorn api-server PUT request rate 8153 - @ejweber @roger-ryao
• [BACKPORT][v1.5.5][BUG] A replica may be incorrectly scheduled to a node with an existing failed replica 8116 - @ejweber @chriscchien
• [BACKPORT][v1.5.5][BUG] potential risk to unmap a negative number 8236 - @Vicente-Cheng @roger-ryao
• [BACKPORT][v1.5.5][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 8135 - @james-munson @chriscchien
• [BACKPORT][v1.5.5][BUG] LH manager reboots due to the webhook is not ready 8036 - @ChanYiLin @chriscchien
• [BACKPORT][v1.5.5][BUG] Can't use longhorn with Generic ephemeral volumes 8201 - @ejweber @roger-ryao
• [BACKPORT][v1.5.5][BUG] Volume cannot attach because of the leftover non-empty volume.status.PendingNodeID after upgrading Longhorn 7996 - @james-munson @roger-ryao
• [BACKPORT][v1.5.5][BUG] no Pending workload pods for volume xxx to be mounted 8082 - @c3y1huang @roger-ryao

Miscellaneous

• [TASK] update go-iscsi-helper and go-common-lib in v1.5.x 7960 - @ChanYiLin
• [BACKPORT][v1.5.5][REFACTOR] move mount point check function to common lib 8125 - @ChanYiLin @roger-ryao

Contributors

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