Product update: Virtuozzo Hybrid Server 7.0 Update 14 (7.0.14-249)

Issue date: 2020-06-18

Applies to: Virtuozzo Hybrid Server 7.0

Virtuozzo Advisory ID: VZA-2020-043

1. Overview

The Update 14 for Virtuozzo Hybrid Server 7.0 introduces new features and provides stability and usability bug fixes. It also introduces a new kernel 3.10.0-1127.8.2.vz7.151.14.

2. New Features

  • The Virtuozzo virtualization solution has been renamed to Virtuozzo Hybrid Server. The change affects versions 7.0 and newer.

  • Integration with Acronis Backups. Agentless backup is now available for containers created in Virtuozzo Hybrid Server 7.

  • SolusIO integration. Virtual machines running on Virtuozzo Hybrid Server 7 can now be managed by SolusIO. The current recommendations and known issues are listed in the Knowledge Base.

  • Ubuntu 20.04 LTS guest OS support in both containers and virtual machines. Known issue: Snapshots and live migration do not work for containers with Ubuntu 20.04 LTS.

  • Support for rolling back yum transactions with ‘yum history undo’.

  • vzmigrate now uses AES256-GCM cipher by default if called directly.

3. Bug Fixes

  • VM migration by a non-root user could fail. (PSBM-103700)

  • Misconfiguring VZ_TOOLS_* variables could result in lots of leftover UBs. (PSBM-102841)

  • Container migration could fail due to a CRIU issue: “Error: mnt: Mount has unreachable sharing. Try –enable-external-masters.” (PSBM-100080)

  • VM migrated from Virtuozzo 6 to Virtuozzo Hybrid Server 7 could crash and enter paused state, because of improper uninstallation of old guest tools. (PSBM-102067)

  • prlctl could hang on node due to issues with libvirtd autodump. (PSBM-103899)

  • Restoration of a virtual environment from a remote backup using Virtuozzo Automator could fail. (PSBM-103849)

  • Potential hard lockups in timer-related code: jiffies_lock could be held for a long time. (PSBM-102573)

  • VA Agent could crash repeatedly, leaving lots of core dump files. (PSBM-102323)

  • Changing the SID of a Windows Server 2019 VM causes multiple notifications about issues with default apps on the first opening of Settings. (PSBM-98743)

  • Other fixes. (PSBM-101409, PSBM-101463, PSBM-102022, PSBM-102292, PSBM-102293, PSBM-102330, PSBM-102331, PSBM-102386, PSBM-102407, PSBM-102641, PSBM-102685, PSBM-102997, PSBM-103515, PSBM-104086, PSBM-104248, PSBM-104387, PSBM-91808, PSBM-99351)

4. Installing the Update

Install the update with ‘yum update’. Reboot the host and switch to the new kernel.

The JSON file with the list of new and updated packages is available at