Configure Storage

Choose Your Storage

Choose between one external drive and a multi-drive RAID array before any storage commands are used.

Guide difficulty⭐⭐⭐⭐⭐ Beginner Friendly

Estimated time⏱️ Around 5–10 minutes

Choose the path that matches your hardware

One external drive

Choose this when you have one USB or SATA drive and want the simplest storage setup.

Use one external drive

Multiple drives acting as one

Choose this when the recommended build uses several drives combined into an mdadm RAID array.

Build the RAID array

Why storage comes before CasaOS

Applications need a known, permanent location for media, photos and configuration data. We will prepare, mount and test that location first, then install CasaOS and point applications at storage that already works.