At 07:40 PST our monitoring system alerted us about an outage on node v7722.
At 07:58 PST we have determined that one of the RAM modules have failed in this server.
At 08:08 PST we were able to disable affected RAM module remotely and will attempt to boot this server shortly.
At 08:11 PST server successfully booted. All client VMs will start in the next 10 minutes.