> For the complete documentation index, see [llms.txt](https://docs.trilio.io/openstack/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.trilio.io/openstack/advanced-configuration.md).

# Advanced Configuration

- [Switching NFS Backing file](https://docs.trilio.io/openstack/advanced-configuration/switch-nfs-backing-file.md)
- [Multi-IP NFS Backup target mapping file configuration](https://docs.trilio.io/openstack/advanced-configuration/multi-ip-nfs-backup-target-mapping-file-configuration.md)
- [Advanced Ceph configurations](https://docs.trilio.io/openstack/advanced-configuration/advanced-ceph-configurations.md)
- [Additions for multiple CEPH configurations](https://docs.trilio.io/openstack/advanced-configuration/advanced-ceph-configurations/additions-for-multiple-ceph-configurations.md)
- [Multi-Region Deployments](https://docs.trilio.io/openstack/advanced-configuration/multi-region-deployments.md): This document discusses OpenStack multi-region deployments and how Trilio (or T4O, which stands for Trilio For OpenStack) can be deployed in multi-region OpenStack clouds.
- [Serial Upload per Instance during Snapshot](https://docs.trilio.io/openstack/advanced-configuration/serial-upload-per-instance-during-snapshot.md): The following steps depict configuring the Trilio for OpenStack to override the default snapshot upload functionality.