I'd just finished doing a backup of the development system when the CyberPower 1500 UPS running the system emitted a couple of beeps and went offline (dead). Sigh...
Off to Fry's Electronics to pick up a new one, crawl under the desk to the mini-rack and replace it. Getting harder for these older bones.
Fortunately it worked out of the box just fine. Not so good was my accidentally hitting the power-off on the adjacent 1500 system, which downed the network switch and caused confusion to reign in the LAN. Ok, power it up, shutdown and restart the weather system (which without IP connectivity had become very confused).
Now all systems are back online. Guess I'll pick up another one for a hot-spare, but this time at Costco (less expensive than Fry's, but harder to get to in rush-hour traffic).
Quite an afternoon.. think I'll take a little break to recharge myself