EX2 Ultra replace HDD from 4TB to 8TB Raid1

My Cloud OS 5 Personal & Network Attached Storage My Cloud EX Series
1

I have 2 HDD 4TB in raid 1 , I would like to install new two HDD 8TB
how do i do it ?
how do I replace and remove the data and that the EX2 will see the new hard drive as 8TB

2

Hi @ronwish,

Kindly refer to the article 2 and 4 Bay Internal Drive Replacement for WD My Cloud:

Please contact the WD Technical Support team for best assistance and troubleshooting:https://support-en.wd.com/app/ask

3

This procedure leaves out a key step:

RAID EXPAND.

After the new drives are installed per instructions above; you need to do a RAID EXPAND. (buried somewhere in the RAID CONFIGURATION menu of the STORAGE section).