BESOIN D'AIDE : données disparues d'un RAID 1 WD gold 8To

Computer with W10. This morning the data of my Raid 1 DD gold 8 TB have all disappeared. Disks appear well in disk management and are healthy. The Raid 1 (mirror) is still in place. Disk tests with WDLD show healthy disks.
How to recover my data?
Thanks for your help.