ZStack Cloud 4.8.38
On July 5, 2026, ZStack Cloud officially released its latest Long Term Support (LTS) version, ZStack Cloud 4.8.38, bringing a series of fixes and improvements. Details are as follows.
Highlights
- Improved Stability for Platform and OS Upgrades
- Improved HA Reliability for Dual Management Nodes
- Enhanced Data Protection and Failure Recovery
- Enhanced Security Compliance
Overview
- VM Instances
- Optimizes VM-related components and monitoring collection.
- Cloud Network
- Improves service network continuity.
- Optimizes network configuration and policy management.
- Cloud Storage and Migration
- Optimizes resource handling for Ceph cross-cluster cold migration.
- Improves storage HA failover checks.
- Improves VM operations on SharedBlock primary storage.
- Platform O&M
- Improves HA reliability for dual management nodes.
- Elastic Bare Metal Management
- Optimizes elastic bare metal deployment and O&M.
- CDP and Backup Service
- Improves VM runtime behavior in backup and CDP scenarios.
- Optimizes data protection and failure recovery.
- Upgrade and Installation
- Optimizes platform and OS upgrades.
- License Authorization
- Optimizes license management.
- Security and Compliance
- Enhances OS security compliance.
- Enhances platform security compliance.
Improvements and Optimizations
VM Instances
Optimizes VM Components and Monitoring Collection
ZStack Cloud 4.8.38 updates and optimizes VM-related host components, ARM platform adaptation, and monitoring collection logic to improve host runtime behavior and monitoring collection efficiency.
Jira: ZSTAC-80539, ZSTAC-85853, ZSTAC-68234, etc.
Cloud Network
Improves Service Network Continuity
ZStack Cloud 4.8.38 optimizes network configuration synchronization for VPC firewall and SLB scenarios to reduce the impact of configuration inconsistencies on service access paths.
Jira: ZSTAC-86026, ZSTAC-86000
Optimizes Network Configuration and Policy Management
ZStack Cloud 4.8.38 optimizes network configuration synchronization, security group policy delivery, and tenant-side network resource management to improve cloud network consistency and controllability.
Jira: ZSTAC-85848, ZSTAC-85849, ZSTAC-85878, etc.
Cloud Storage and Migration
Optimizes Resource Handling for Ceph Cross-Cluster Cold Migration
ZStack Cloud 4.8.38 optimizes resource ownership handling after Ceph cross-cluster cold migration to ensure that VM startup and data volume attachment work as expected after migration.
Jira: ZSTAC-86024, ZSTAC-86104
Improves Storage HA Failover Checks
ZStack Cloud 4.8.38 optimizes failover checks and heartbeat handling in Ceph HA and shared storage HA scenarios to reduce false positives in abnormal scenarios.
Jira: ZSTAC-84588, ZSTAC-85590
Improves VM Operations on SharedBlock Primary Storage
ZStack Cloud 4.8.38 optimizes logical volume, lockspace, and capacity state handling in SharedBlock/SBLK scenarios to improve the success rate of VM startup, migration, clone, capacity expansion, and primary storage detach operations.
Jira: ZSTAC-65518, ZSTAC-86010, ZSTAC-74769, etc.
Platform O&M
Improves HA Reliability for Dual Management Nodes
ZStack Cloud 4.8.38 optimizes state checks, monitoring collection, task handling, database synchronization, and VIP switchover logic in dual-management-node environments to improve HA reliability.
Jira: ZSTAC-86006, ZSTAC-86009, ZSTAC-83246, etc.
Elastic Bare Metal Management
Optimizes Elastic Bare Metal Deployment and O&M
ZStack Cloud 4.8.38 optimizes elastic bare metal resource access, deployment network handling, and dependency processing to improve the deployment and O&M experience for elastic bare metal environments.
Jira: ZSTAC-85866, ZSTAC-86103, ZSTAC-86165, etc.
CDP and Backup Service
Improves VM Runtime Behavior in Backup and CDP Scenarios
ZStack Cloud 4.8.38 optimizes VM component compatibility in backup and CDP scenarios to reduce the risk of abnormal VM exits during data protection tasks.
Jira: ZSTAC-86013, ZSTAC-86016
Optimizes Data Protection and Failure Recovery
ZStack Cloud 4.8.38 optimizes task handling for backup, CDP, snapshot, and HA scenarios to improve data consistency and task reliability during data protection and failure recovery.
Jira: ZSTAC-65590, ZSTAC-86005, ZSTAC-85995, etc.
Upgrade and Installation
Optimizes Platform and OS Upgrades
ZStack Cloud 4.8.38 optimizes pre-upgrade checks, historical data compatibility, and OS upgrade dependency handling, reducing the risk of blocked upgrades from earlier versions or OS upgrades and improving upgrade stability.
Jira: ZSTAC-74958, ZSTAC-86096, ZSTAC-77270, etc.
License Authorization
Optimizes License Management
ZStack Cloud 4.8.38 optimizes license cleanup, verification, and historical record handling to improve the management experience in license authorization scenarios.
Jira: ZSTAC-85579, ZSTAC-66620, ZSTAC-79213, etc.
Security and Compliance
Enhances OS Security Compliance
ZStack Cloud 4.8.38 improves operating system component adaptation and security compliance support, enhancing compliance for related operating systems in security remediation scenarios.
Jira: ZSTAC-85074
Enhances Platform Security Compliance
ZStack Cloud 4.8.38 updates security-related components and improves permission, API, upload, and log handling to enhance overall platform security and compliance.
Jira: ZSTAC-85985, ZSTAC-86021, ZSTAC-81119, etc.