I have replaced a 2TB drive with a new 4TB drive on my 5FS. The rebuild process started normally. I came back 8 hours later and the new drive is blinking Red (on and off) and the other 4 drives are blinking Orange and Green. I can no longer connect to the Drobo over the network.
There is enough space on the remaining drives to accommodate the loss of the drive.
36 hours later and the Drobo is still in this state.
Should I continue to wait for the rebuild? Should I replace the blinking drive with the previous drive now or wait for the remaining drives to go solid green?