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backup automation


backup automation

How we setup reliable backups in a server virtualization solution

How we setup reliable backups in a server virtualization solution

In the online world, data loss can happen due to many reasons. Human errors, hardware issues or even natural calamities can end up causing a business downtime. Maintaining server backups is a preventive measure to minimize the business downtime due to such mishaps.

When we setup a server virtualization solution for a VPS hosting provider, maintaining reliable backups was an important consideration in our design. In our server virtualization system, individual VPS instances were hosted in LXC containers. Here is a walk-through of how we configured backups for these VPS servers. (more…)

How we configured disaster recovery in an oVirt system

How we configured disaster recovery in an oVirt system

Life is full of surprises. Some are unpleasant, like a server crash. Disk failures, human errors, external attack or natural calamities often lead to business downtime.

For businesses hosted on dedicated servers, recovering from a crash is tedious, as it often requires installing and configuring the physical servers afresh.  (more…)

How to backup and restore oVirt engine

How to backup and restore oVirt engine

In our recent post ‘How to configure VM backups in oVirt, we saw how we configured a VM backup system for a cloud service provider. We further went ahead and expanded the backup system with oVirt engine backups.

oVirt engine manages the centralized configuration of the cloud system. This engine manages provisioning of VMs, connection protocols, user sessions, VM images, VM environment configuration, etc. It also provides a graphical interface to view, create and manage VMs. The engine configuration is saved in oVirt engine database and configuration files.

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How to configure VM backups in oVirt

How to configure VM backups in oVirt

People often assume that backups are not important in a cloud setup due to its automatic fail-over feature. Automatic fail-overs migrate Virtual machines in a cloud from one hypervisor to another, when any one hypervisor goes down.

But this fail-over feature does not help in cases such as degradation of RAID arrays, server hacks, malware attacks or human errors, which can lead to accidental deletion or modification of data.

(more…)