Time Change
While backing up a server today, I noticed a huge number of changed files that I didn't touch. I eventually decided my provider had updated part of the OS for me. I wondered if the server was out of service for the update, so I loaded a log file that is recording a temperature reading every 20 minutes, looking for a gap. I didn't find a gap, but I did see a tiny glitch in an almost straight line. It is zoomed in a lot below, I almost ignored it.
That's the repeat of the 1AM to 2AM hour for the "fall back" time change.
- If you care, record UTC time, not local time
- always use a graph to visualize your data
- wow--the rise and fall is more asymmetrical than I thought. It is more useful to me for the time to be local time so the data is easily understood. I'm 4 or 5 hours away from UTC.
I'm guessing the next time I reboot the server I'll get the changes. Or maybe the entire update fit inside the 20 minute cycle.
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