Thanks for the tip. I'll keep TimeMachine Editor in mind as a third party fix if I don't find a solution.
Do you think Power Nap is causing this problem? I suppose I could turn it off and see if that solves my problem. Supposedly Time Machine keeps running with Power Nap on IF THE MAC IS PLUGGED INTO AN OUTLET. My mac (a 2013 Mac Pro) is plugged into a UPS, which is plugged into an outlet. One of the things I found earlier had to do with macs not being directly plugged into an outlet, so maybe that is the problem. Supposedly the command I listed below fixes that problem, but I'll try turning off Power Nap and see if that works. Thanks, Gregg -----Original Message----- From: Macs R We [mailto:[email protected]] Sent: Sunday, July 30, 2017 5:38 PM To: Dinse, Gregg (NIH/NIEHS) [C] <[email protected]> Cc: [email protected] Subject: Re: Time Machine stops backing up Try TimeMachine Editor (free) to impose a "manual" schedule outside Time Machine. It won't technically "fix" your problem with native Time Machine, but it might force your way around it. At the minimum, you may get a more informative error message if it also fails. > On Jul 30, 2017, at 1:40 PM, Dinse, Gregg (NIH/NIEHS) [C] > <[email protected]> wrote: > > Hi, > > About 2 weeks ago, I upgraded from Yosemite (10.10.5) to Sierra (10.12.6). I > believe that this is when my trouble started. > > Until recently, whenever I looked at the Time Machine panel in > Preferences.app, it would show times for the latest backup and the next > backup that were roughly an hour apart, as expected. Now when I look, it has > often been several hour (maybe even 12 or more) since the last backup. If I > tell it to backup now, it backs up. However, an hour from then, the next > backup time often jumps by an hour but the latest backup time stays the same. > In some cases, I think it performs a backup eventually, but certainly not > every hour. I don't recall if it has gone for days without a backup, but I > think it has. > > Does anyone know how to fix this? My disk has plenty of space left. > > I have tried several suggestions that I found online, but so far none have > helped. I unchecked and then rechecked the Back Up Automatically button. I > deselected and then reselected the drive used for Time Machine backups. I > rebooted many times. I ran the following command from Terminal: > > sudo defaults write /Library/Preferences/com.apple.TimeMachine > RequiresACPower 0 > > Supposedly all of these "fixes" have helped some people with this problem, > but they have not worked for me. > > In case something was corrupt in the 10.12.6 combo update, I ran that again. > Things seemed to work for a few days, so I thought that fixed it, but now the > problem is back again. Does anyone have any other suggestions? > > Thanks, > > Gregg _______________________________________________ MacOSX-talk mailing list [email protected] http://www.omnigroup.com/mailman/listinfo/macosx-talk
