In uk.comp.os.linux Martin Gregorie wrote:
And the reply from ioSafe is:

"In such an event, the worst case scenario is that any data in transit
would be lost. The data on the drives would not be lost.
"

...so it looks as though they've thought about this problem.

Or they didn't understand the question... since they don't explain what
measures they've taken to prevent this happening.

Theo