I was doing some work last night comparing R21C0 and R5968 for noise, etc when I started getting no data available errors from the FDSN server. It was late so I left it, thinking it was probably just a temporary glitch.
This morning though, I find data that I was using last night seems to be gone from Data View even. Data View is showing “No Data” when look back to yesterday and the stream seems to have only recently been re-established - see screen shot below.
Data is not missing as far as I understand, but we are working on this situation. Everything should be back as it was by tomorrow from the latest team update: