Mtmd mac os x process

Scheduled Time Machine backups appear to have been running normally, taking a few minutes to complete every hour. A routine backup then starts, but even 10 or 20 minutes later is still in progress.


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The diagnostic log message reads something close to Forcing deep traversal on source: followed by the name of the volume being backed up, its Unix device name, where it is mounted, and the UUIDs for its filesystem and the event. The reason given here should reveal useful clues as to the trigger for the scan.

If there are any problems detected with that database, Time Machine cannot use it to determine what it should back up. In most of these cases, the reason given for the deep event scan should give clues as to one of those causes. All you can do is let the backup complete, then check to see whether it completed without errors.

It is vital not to interrupt the deep event scan and subsequent backup, as that will only force Time Machine to perform them again when it is next able to. Rarely, Time Machine will get stuck and continue performing deep event scans for each scheduled backup.

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If that occurs, it is vital to eliminate the above causes, and to ensure that there are no issues with the FSEvents database stored in. Initiation of the deep event scan This should occur at the start of a normal backup, such as: TMLogInfo] Starting automatic backup TMLogInfo] Running event scan The last log entry here may indicate that this is a routine deep event scan, perhaps initiated to ensure the integrity of backups.

As Time Machine internals are undocumented, we cannot know.

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During the scan You may see entries such as: The UserEventAgent utility is a daemon that loads system-provided plugins to handle high-level system events which cannot be monitored directly by launchd. The auditd daemon responds to requests from the audit 8 utility and notifications from the kernel. Runs automount, and then waits for network configuration change events and, when such an event occurs, re-runs automount 8 to update the mounts to reflect the current automounter maps. Helper for special directory creation. The configd daemon is responsible for many configuration aspects of the local system.

Launched by dpd daemon to allow audio to play from host machine to target machine via display port. Event Monitor Daemon, accepts events from various services, runs them through a simple rules engine, and takes action. Keychain Proxy, spawned by launchd to handle privileged keychain operations with appropriate authorization.

What is "mtmd"? — Process safety information — MacInside (Beta)

Kernel extension server, handles requests from the kernel and from other user-space processes to load kernel extensions kexts or provide information about them. The Kernel User Notification Center daemon handles requests by software executing in the kernel to display notices and alerts to the user.

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And that would explain why the TimeMachineEditor workaround fails, since after it does the backup, even though TM is disabled, the local snapshot processes stick around. And if it does work, the TimeMachineEditor workaround would actually work around the bug. Perhaps there is something in a launchd plist you could disable. Or perhaps there is some way to make the local snapshot processes non-executable.

install error on Mavericks -- error having to do with backupd

Or maybe there is way to set up a script to forcibly terminate the local snapshot processes after a TM backup is complete. I found, on the web, a number of articles saying that you can run a command with tmutil that turns off local snapshots. My backup device is connected directly to the computer through the USB port. For me, those two processes are not active when the backup takes place, but in between backups. If my assumption is wrong, then TimeMachineEditor would work. Try turning off TM, then restarting, then running sudo tmutil disablelocal, then turning TM back on. The theory being that those rogue local backup processes are still running until restart, and thus interfering somehow.

I did what you suggested. Even though when I ran the disablelocal command previously, it totally shut down TM. Aka — wipe the disk, reinstall, and Migration Assistant over from a TM backup, with a clone in place for insurance.

follow url Perhaps you should purchase Conflict Catcher too. Do you have a hard drive or a SSD? Since drive errors are no longer routinely communicated to operating systems, all sorts of weird stuff can start to happen when a drive starts to fail. Slow downs are the most common, but not the only thing.

It has nothing to do with the health of the drive, it only means that the drive controller is still alive. It can do the full SMART communication with drive, show you what errors the drive is producing, and run short and long tests. Smart Utility can also do regular drive scans and send you email if it detects a problem, which has saved my bacon more than once over the years.