I have completed the certification of the four new drives in the second Thunderbay 4 while daisy chained with no issues. Thank you for the help.

I ended up letting the certify run for a while so that I was more confident that it was a drive issue vs. other hardware. I will check back when the ...

I have restarted and tried again. It is now Safeguard Enabled. Thank you.

Small Update: One of the three 3TB older drives from the Drobo shows 4 unreliable sectors and I got a message that the certify process hung but it ...

I will try that when a few disks are done with certification process. I’ll report back with what I experience. Also, I typed another quite lengthy pos...