> For the complete documentation index, see [llms.txt](https://docs.ionos.com/cloud/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ionos.com/cloud/databases/in-memory-db/overview/backup-recovery.md).

# Backup and Recovery

## How do backups work in In-Memory DB v2?

<code class="expression">space.vars.ionos\_cloud</code> DBaaS for In-Memory DB v2 replaces fixed daily backups with configurable snapshots. You can set:

* **Location:** The Object Storage region where snapshots are stored. For added data safety, use a location different from the cluster's own region.
* **Retention days:** The number of days snapshots are retained before being automatically deleted, from 1 to 365 days (default: 7). Reducing this value purges any existing snapshots that fall outside the new retention window.
* **Snapshot hours:** One or more hours of the day (UTC) at which snapshots are taken. At least one hour must be specified.

Snapshots can be used to restore an existing cluster to a previous point in time, or to initialize a new cluster with data from an existing snapshot during creation. For more information, see [<mark style="color:blue;">Restore an In-Memory DB Cluster</mark>](/cloud/databases/in-memory-db/how-tos/v2/restore-in-memory-db-cluster.md).

## How do backups work in In-Memory DB v1?

<code class="expression">space.vars.ionos\_cloud</code> DBaaS for In-Memory DB supports automatic backups. Automatic backups are created in either of the following instances:

* During the creation of an In-Memory DB instance.
* Upon upgrading the current version of In-Memory DB to a higher version.

<code class="expression">space.vars.ionos\_cloud</code> DBaaS performs automatic daily full backups of the In-Memory DB instances that run regularly at a specific hour based on the value set in the DBaaS component. It ensures that there is a backup available for each day. <code class="expression">space.vars.ionos\_cloud</code> maintains backups for the last seven days so that you can recover them for up to a week. For more information about backup restoration, see [<mark style="color:blue;">View individual cluster details and restore a backup</mark>](/cloud/databases/in-memory-db/how-tos/v1/view-in-memory-db-clusters.md#view-individual-cluster-details-and-restore-a-backup).


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