Release Note

Please read the install/upgrade notes before installing/upgrading to this Longhorn version.

v1.1.3 released! 🎆

This release introduces bug fixes as described below including security, stability, performance, and so on. Please try it and feedback. Thanks for all the contributions!

Security Fixes for Vulnerabilities

• CVE-2021-36779: Host operations allowed in privileged Longhorn managed pods
• CVE-2021-36780: Unauthorized data access from replicas through vulnerable instance manager pods

For more details, see each issue and security advisories.

• CVE-2021-36779
• CVE-2021-36780

Installation

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

Upgrade

Follow the upgrade instructions here.

Deprecation & Incompatibilities

No deprecated or incompatible changes are introduced in this release.

Highlights

• [IMPROVEMENT] Enhance Longhorn data plane on low performance environment (spinning disk, 1GBps network, low CPU etc) (2206) - @keithalucas @khushboo-rancher

Performance

• [BUG] Volume attachment take long time, which may be caused by the replica controller queue being flooded by the backing image events (3242) - @kaxing @shuo-wu

Bugs

• [BUG] Validate S3 input to make sure they don't contain trailing newline or space (811) - @kaxing @jenting
• [BUG] Investigate engine integration test failure - restore_with_frontend: can only restore backup from replica in mode RW, got ERR (1628) - @keithalucas
• [BUG] High CPU utilization for Longhorn manager sometimes due to exhaustion of all the available sockets because of socket leaking log stream (2778) - @meldafrawi @PhanLe1010
• [BUG] longhorn-engine image no longer contains longhorn-instance manager (2796) - @innobead @khushboo-rancher
• [BUG] allow volume migration when volume is degraded (harvester vm) (2805) - @shuo-wu @khushboo-rancher
• [BUG] Longhorn-csi-plugin pods restart because the Longhorn client 10 secs timeout (2816) - @jenting
• [BUG] High CPU utilization for Longhorn manager and replica instance manager sometimes due to overwhelming of number of backupstatus in engine (2818) - @joshimoo @khushboo-rancher
• [BUG] fix instance manager grpc connection leak (VersionGet, ProcessLog, ProcessWatch) (2824) - @joshimoo
• [BUG] Datastore::GetEngine returns raw cached object which is then modified (2827) - @joshimoo @khushboo-rancher
• [BUG] Node deletion leads volume to get stuck in attaching state (2848) - @joshimoo @PhanLe1010 @khushboo-rancher
• [BUG] Replica rebuilding fails and eventually pass after few attempts (2849) - @PhanLe1010 @khushboo-rancher
• [BUG] Replica rebuilding gets triggered if network bandwidth is restricted below 80mbit (2882) - @keithalucas
• [BUG] Instance managers keep terminating and getting created while uninstallation is in progress (2919) - @meldafrawi @shuo-wu @khushboo-rancher
• [BUG] DR volume does not continue to restore after node reboot (2920) - @c3y1huang @shuo-wu
• [BUG] Power off node during backup volume restore does not continue restore (2929) - @kaxing @c3y1huang @shuo-wu @khushboo-rancher
• [BUG] Over-provisioning doesn't work properly with values smaller than 200% (2952) - @meldafrawi @PhanLe1010
• [BUG] Loghorn volumes can be resized to any size and does not respect the over-provisioning limit (2962) - @meldafrawi @PhanLe1010
• [BUG] Tool tip on Snapshots and Backups List on UI are displayed inconsistently (2994) - @smallteeths @chanow816
• [BUG] Disk eviction not doing anything (2995) - @kaxing @shuo-wu
• [BUG] Fail to live upgrade to v1.2.x or v1.1.3 (3052) - @shuo-wu @khushboo-rancher
• [BUG] Update the default advertised CSI version to csi version 1.2 (3079) - @PhanLe1010 @khushboo-rancher
• [BUG] fsfreeze race condition (3125) - @joshimoo @khushboo-rancher
• [BUG] longhorn-ui has a warning message in the browser's console (3230) - @smallteeths @khushboo-rancher
• [BUG] Instance process is still running when the corresponding engine/replica CR is gone (3255) - @shuo-wu
• [BUG] can't reset Backup Target Credential Secret (3261) - @meldafrawi @jenting
• [BUG] Revision Counter is false by default? (3308) - @smallteeths @khushboo-rancher
• [BUG] Data loss on doing K3s upgrade with drain (3350) - @PhanLe1010
• [BUG] [v1.1.3] Longhorn upgrade from v1.1.2 to v1.1.3-rc1 failed (3297) - @PhanLe1010 @khushboo-rancher
• [BUG] V1 Chart install V1.1.3-rc2 fail (3356) - @PhanLe1010 @chanow816
• [BUG] Using a backing image created from a YAML file will lead to NPE (3379) - @kaxing @shuo-wu

Misc

• [UI] Notify users about newer stable versions (3032) - @smallteeths @chanow816
• [IMPROVEMENT] Longhorn v1.1.3 and maximum supported Kubernetes version (3319) - @kaxing @jenting

Contributors

• @PhanLe1010
• @c3y1huang
• @chanow816
• @innobead
• @jenting
• @joshimoo
• @kaxing
• @keithalucas
• @khushboo-rancher
• @meldafrawi
• @shuo-wu
• @smallteeths