Virtuozzo Hybrid Server 7.5 Update 3 (7.5.3-391)

Issue date: 2022-02-25

Applies to: Virtuozzo Hybrid Server 7.5

Virtuozzo Advisory ID: VZA-2022-008

1. Overview

Virtuozzo Hybrid Server 7.5 Update 3 introduces new features and provides stability and usability bug fixes. It also introduces a new kernel 3.10.0-1160.53.1.vz7.185.3.

2. New Features

  • Copy and paste functionality in virtual machine’s VNC console. (PSBM-132717)

  • Ability to check container’s filesystem from the host. (PSBM-130328)

  • Ability to change virtual machine’s VNC port on the fly. (PSBM-127439)

  • Virtuozzo Storage packages updated to the latest version. (PSBM-134922)

  • Smart updates for nodes in Virtuozzo Storage clusters. (PSBM-126404)

  • Optimized memory usage while creating backups. Now backups bypass system cache to avoid polluting it with rarely used data and slowing down the node. (PSBM-129344)

3. Bug Fixes

  • Node could crash due to an nfsd issue. (PSBM-133274)

  • Fixes for the balancing formula of the VCMMD performance policy. (PSBM-136335)

  • Balance issues with the VCMMD density policy after updating QEMU. (PSBM-136555)

  • Libvirt’s vzct driver was unaware of containers migrated with the ‘–keep-src’ option. (PSBM-136737)

  • Starting containers could result in node hang due to a systemd timers issue. (PSBM-138132, PSBM-137775)

  • Other fixes. (PSBM-98265, PSBM-92308, PSBM-138103, PSBM-137145, PSBM-137038, PSBM-136851, PSBM-136635, PSBM-136568, PSBM-136369, PSBM-136295, PSBM-136188, PSBM-135881, PSBM-135687, PSBM-135359, PSBM-135245, PSBM-134982, PSBM-132088, PSBM-131114, PSBM-130716, PSBM-130657, PSBM-129349, PSBM-129217, PSBM-128194, PSBM-121555)

4. Installing the Update

Install the update with yum update.

The new and updated packages are listed in the JSON file.