I have a Synology that has only one 2TB harddrive using SHR raid type mainly for surveillance camera recording. It started running out of space and I wanted to upgrade it to a 3TB harddrive but want to reuse the original 2TB drive for other use case. So I used a drive clone tool to clone all the partition of the old 2TB to the new 3TB drive. But I noticed in the Synology Storage Manager, it is still saying the storage pool only has 2TB and can't be expanded or create a new storage pool even though the HDD/SDD section did recognize the new drive to be 3TB. This article will show you how to solve this problem. Step 1: Enable SSH Step 2: SSH into your nas with your user name and password Step 3: run the following command sudo -i type in your password Step 4: run the following command fdisk -l You will see a list of disk info. Find the one that matches your disk size, usually the name is…