The following requirements must be met before installing upgrade to Acronis Cyber Infrastructure 3.0:

On July 16, 2019, Acronis released a new version of Acronis Software-Defined Infrastructure and the product was renamed into Acronis Cyber Infrastructure (ACI), starting since 3.0 version.

More information regarding the exact software versions may be found in Acronis Cyber Infrastructure Release Notes.

The documentation to the latest version of the product may be found in the  Product Documentation page.

Upgrade requires restart of all nodes.

System requirements for v.2.5

Storage only nodes (the same as in 2.4) or Storage + Management

Type Minimal Recommended


The main goal of the operations below is to re-create Partner-hosted backup storage registered in Acronis Cyber Protect Cloud in case of the following scenario:

In WebCP, some nodes or disks are marked as FAILED and the storage icon is shown in red.

In the output of vstorage -c <clustername> top command some of CSs are in the Failed state.

One or more of the following events are found in the vstorage -c <clustername> get-event output:
MDS WRN: CS#1025 have reported IO error on pushing chunk 1cee of 'data.0', please check disks
MDS ERR CS#1026 detected back storage I/O failure
MDS ERR CS#1026 detected journal I/O failure
MDS WRN: Integrity failed accessing 'data.0' by the client at
MDS WRN: CS#1025 is failed permanently and will not be used for new chunks allocation

This article explains how to open Acronis Backup Gateway logs. It is required for the troubleshooting storage-related issues.

In Acronis Storage 2.0, logs were written to a .gz file. Since Acronis Storage 2.1, Acronis Software-Defined Infrastructure and Acronis Cyber Infrastructure, logs are written to a .zst file. 

Default ABGW log location:


This article describes upgrade path for Acronis Storage 2.x (AS) / Acronis Software-Defined Infrastructure (SDI) / Acronis Cyber Infrastructure (ACI) Clusters to the latest version.

More information regarding Acronis Support Lifecycle Policy for Infrastructure Products may be found on Acronis Portal.