If you want to change a RAID 1 storage pool to RAID 5, you'll need at least three drives in total (i.e. the two drives belonging to the RAID 1 storage pool, ...
To change the RAID type of a cache group: · Go to Storage Manager > Storage. · Locate the cache group whose RAID type you want to change. · Select Manage SSD Cache ...
Storage pools can be changed from one RAID type to another without losing existing data. For example, you can create a RAID 1 storage pool on your Synology NAS ...