A couple of weeks ago I bought a Synology DS218+ NAS with two 2TB WD Red disks. After the initial setup, I wanted to remove RAID on Synology DS218 since we use the NAS mostly for streaming films.
I am not deep into RAID configurations and this is my first Synology NAS. So it was not straight away clear how to remove RAID on Synology DS218. I did not want to waste 2TB of usable disk space so I started to dig.
If you initially choose an automatic setup ( as I have done ) your disks will be configured in RAID. To remove RAID I needed to remove the volumes, delete the storage pool, and set up the disks as individual disks.
To be able to delete the storage pool I needed to uninstall the Synology DSM packages that have been installed on the volume I wanted to remove first. The name of those packages is listed when you choose a volume and click remove in Storage Manager within the Volume tab.
After you have uninstalled the listed packages via Package Manager > Remove the volume.
In the Storage Pool Creation Wizard I have chosen more flexibility which supports multiple volumes. I see an average 110 MB Read and 93 MB Write performance with this setup.
Next > Storage Pool properties > RAID type basic and 1 drive per RAID
Since both disks were brand new I didn’t choose drive check.
Then I started to create new volumes from Storage Manager > Volume tab > Create
Choose an existing storage pool:
Assign a storage pool:
Specify the size of the volume:
Choose a file system. I have chosen ext4. You can find additional information here .
I have repeated these steps for every new volume.
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