![]() Ideally, I shouldn’t have to quit every program on my computer in order to get the CPU usage low enough for Carbonite to be able to do backups. The only thing that is using a lot of CPU, according to Activity Monitor, is Carbonite itself.Īt this point, I started looking at what Carbonite was looking at using the fs_usage command. I’m wondering if this is causing Carbonite to not back up? I tried quitting every program on my computer (including all sorts of menu bar apps and background apps such as Cloud.app, Dropbox, Evernote, Jenkins, etc). When my backup wasn’t progressing, I looked for clues by looking at /Library/Application Support/Carbonite/Data/Carbonite.log and noticed that CPU Idle was almost never at the CPU Idle target of 75%. This is possibly one of the big reasons for the Issue 1. Issue 2: Carbonite not backing up because CPU Idle is too low (and Carbonite is using the bulk of the CPU) Carbonite should detect that it is not progressing and send me an alert email and/or popup on my screen. ![]() But the main point I want to make here is that I should not have to notice that backups have stalled. It also lead to the discovery of other issues that are detailed below. This stuck backup lead to me spending quite a few hours measuring, diagnosing, disk repairing, and tweaking and it looks like things are working better now (I have only 42 files pending backup now). If I had not checked and our hard drive crashed, that could’ve been really bad. I happened to notice this because we had taken a lot of photos and I decided to check whether they were getting backed up. Issue 1: Backups can stop progressing no alerts to tell me thisĪ couple of weeks ago, I noticed that Carbonite had been “ stuck” – there were about 1500 files that were pending backup and that number was not shrinking. And that is why I’m detailing everything weird I saw, even if some of it is the inevitable stuff that you get when you peek too closely into the sausage factory. Some if these issues might not be serious, but when it comes to a backup tool, it makes me nervous when I see weird unexplainable behavior. I’ve been using Carbonite for a while and it’s worked well most of this time (though how do you know if a backup tool is working?), but recently I’ve started to notice a few issues with it and I may end up switching to another cloud backup service (I’m currently evaluating CrashPlan and another part of me is seriously considering going old-school and using good ol’ rsync or maybe just cloning to a bunch of spare hard drives and then leaving them with friends and family).
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