"Operation not permitted" when trying to wipe disks

[Fred974]

Hi,

We are building a new TrueNAS server repurposing the ssd we used on our original TrueNAS server for metadata drive. In the TrueNAS interface, when we tried to wiped the disks, we get the following error

We have the same error on all the ssd that was previously used as metadata.
Could anyone please assist in resolving this issue?

Thank you

 

[Fred974]

I managed to wiped the drive after setting the following command from a google search

Code:

sysctl kern.geom.debugflags=16

However, I have no idea what it is or what it does. Could anyone please explain it to me?