WD EX4100 NAS with 4 6TB DISK,Disk failed and Rebuild stops at 50% rebuilding

Hi,
I have 4BAY NAS with each 6TB storage,RAID 5 configured and one disk failed and repalced.now rebuisling stops on 50% what to do…please advice.

WD products are worst now a days…NAS is out of warrenty.Can someone help me to rebuild disk.

Thanks in advance
Narendra

Hi @narendrakd
Have you opened a Support Case? If not opened, for more information, please contact the WD Technical Support team for the best assistance and troubleshooting: