Acronis Cyber Infrastructure

You get this error message on attempt to check cluster updates or start updates via WebCP -> Settings -> Updates:

Failed to start update check
Yum repository is inaccessible on <node_name>

Yum repository is accessible from the affected node, however, the log /var/log/vstorage-ui-agent/software-updates.log contains the following messages:

error: cannot open Packages database in /var/lib/rpm

Symptoms

1. On multi-node Acronis Cyber Infrastructure cluster after downloading updates via WebCP > Settings > Updates > Download there is no Install button:

2. Manual check of update status via CLI shows that one of the nodes has status uptodate while another ones are in download_completed status:

You see this alert in WebCP > Monitoring > Alerts:

No internet connection on the node <node>.

The following behavior is observed in Acronis Cyber Infrastructure (ACI) cluster:

1. Alerts "Node is offline" suddenly appear for all nodes in a cluster for a short period of time. During this time, status of the Storage is displayed as 'Unavailable' per WebCP dashboard.

2. Cluster is displayed as 'Healthy' when checking status of the cluster via CLI.

3. No any real interruptions of storage services are noticed while these alerts appear.

4. Cluster version is below 3.5.4-24.

Introduction

Backup Gateway on Microsoft Azure to store backups in the Azure cloud is being deployed per Acronis Cyber Infrastructure Backup Gateway Quick Start Guide for Microsoft Azure.

This troubleshooting guide is applicable in cases when deployment failed on the InitializeStorage step: