Virtuozzo Hybrid Infrastructure 4.5 Update 2

Issue date: 2021-07-28

Affected products: Virtuozzo Hybrid Infrastructure 4.5

Virtuozzo Advisory ID: VZA-2021-038

1. Overview

This update provides bug fixes and improvements.

2. Bug Fixes

  • With backup storage geo-replication, promotion to the primary cluster fails with the error: “name ‘payload’ is not defined.” (VSTOR-44043)

  • A deadlock is possible between atomic and non-atomic commands in the iSCSI kernel module. (VSTOR-43126)

  • It is not possible to open some files in the storage. (VSTOR-44388)

  • Stale Open vSwitch flows may break a VM network after a live migration. (VSTOR-45194)

  • Complete multipart upload requests might fail for uploads with more than 9900 parts. (VSTOR-44677)

  • A backup may fail with the error “[Archive Server]: storage request timeout.” (VSTOR-44747)

  • Stability and performance improvements. (VSTOR-44128, VSTOR-44346, VSTOR-44912, VSTOR-42858, VSTOR-44998, VSTOR-45373, VSTOR-39689, VSTOR-44484, VSTOR-44704, VSTOR-41892, VSTOR-43142, VSTOR-43747, VSTOR-43756, VSTOR-43838, VSTOR-44007)

3. Installing the Update

You can update Virtuozzo Hybrid Infrastructure in the SETTINGS > UPDATE section of the admin panel. A reboot is required to complete the upgrade. Upgraded nodes will be rebooted automatically, one at a time. During the reboot, the storage service and the admin panel might be unavailable on cluster configurations without the redundancy of services or data.

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