Questions tagged [time-machine]

Time Machine is Apple's built-in backup software. Time Machine was first introduced on OS 10.5 Leopard.

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Can the files being transferred affect/slow the data throughput?

I'm currently trying to carry out the initial backup of an iMac using Time Machine, backing up to a Time Capsule (3TB, the older 'flat' type). The TC is connected via Ethernet and for reasons to do ...
38 votes
7 answers
39k views

The backup on Server is already in use

I have OS X Mavericks with the Server software installed. The server machine is an iMac with a Drobo attached via USB. I use the Server Time Machine service to create a backup server on the network, ...
1 vote
0 answers
576 views

Time Machine + PC backup to single external hard drive

Does "backing up" read/write data to a hard drive? I'd like to backup both my Mac (using Time Machine) & my PC to a single 3 TB Seagate external hard drive using the USB port on my wireless ...
1 vote
1 answer
2k views

How can I restore iBooks stored in iCloud from a Time Machine backup?

I found that many of my books and PDFs had been removed from iBooks. I'm not sure exactly how it happened but recently I had both used the Storage Management app (to remove a few specific books) and ...
4 votes
1 answer
912 views

How to use time machine to recover a deleted pdf in iBooks?

I just accidentally deleted a pdf in iBooks on my MacBook, and I'm trying to use time machine to recover it. I learnt from the following question that I can only get access to the folder storing all ...
2 votes
1 answer
3k views

Backup Disk 'doesn’t contain an EFI system partition'

I have a 750GB Western Digital external HDD which I use for Time Machine backups (MBP, OS 10.10.3). Today I had the need to boot to recovery, which I did from said backup. But I was unsuccessful in ...
1 vote
1 answer
564 views

Time Machine adds a dash and a number to my selected backup volume, resulting in incorrect file path - how to fix?

I'm on MacOS High Sierra Version 10.13.2 and use Time Machine to back up to an external drive through an AirPort Extreme. I've had this setup for years (~5, I think) and backups worked fine until ...
4 votes
2 answers
2k views

Will Time Machine backup a RAID 1 Drive

Will Time Machine backup a RAID 1 Drive. Will you get single copy of data or is each mirrored drive backed up?
1 vote
0 answers
160 views

Some external hard drives not recognised by mac

Running High Sierra. I used a Seagate external hard drive and a Verbatim hard drive for Time Machine backup. Suddenly they are both not recognised by the iMac. The power lights are on and the disks ...
0 votes
1 answer
823 views

Time Machine on High Sierra failure

I have tried a lot of things but I keep getting failed backups when doing a first backup on High Sierra. I have not used Time Machine previously and I am trying to backup to a usb drive. Checking ...
6 votes
1 answer
4k views

How do I pass a password to hdiutil attach?

How do I pass a password to hdiutil attach? I have an encrypted sparsebundle (test.sparsebundle) and it's password is "test", with no quotes. I'd like to automate opening that file. I have tried ...
4 votes
1 answer
2k views

Time Machine restore fail... because of ONE file

I had to do a Time Machine restore on my internal MacBook Pro 750gb hard drive. The complete backup contains nearly 700gb of data. Twice, the restore process failed at the exact same point because ...
1 vote
0 answers
22 views

Prevent Time machine backups from freezing a movie that's playing (from the same disk as time capsule)

I have Time machine backing up every hour, so it will run inevitably at least once while I'm watching a (totally legally downloaded) movie, which I happen to store in the same external drive as the ...
2 votes
2 answers
163 views

What is main difference in a portable external HDD and a regular external HDD?

I have an external 3 TB WD drive for backup. I think it is shot so I want to replace it. I don't need a portable drive but if they are more durable I'd like to get one. The cost difference between ...
2 votes
0 answers
49 views

Cloned a Time Machine backup but the clone has on somes file different permissions

I cloned a Time Machine backup folder Backups.backupdb from one volume to another following Apple's instructions. The contents of both folders look very similar (same amount of files, same file size, ...
2 votes
1 answer
50 views

Is it ok to view Time Machine backup directly and store files inside backup.backupd?

Suppose if I were to just view my Time Machine backup via Finder and just see its contents, no moving/renaming/deleting. Would just viewing the files affect my Time Machine backup and storing files ...
1 vote
0 answers
351 views

Can't see Time Capsule drives when Wifi is turned off

Due to the fact that Apple has dropped support for all Wifi devices I have opted to migrate my home office Wifi to a Ubiquiti AC-AP-Pro with a Ubiquiti EdgeRouter X SFP as the main firewall/router. ...
1 vote
1 answer
4k views

Can I backup a Time Capsule to a HDD drive connected to its USB port?

I have a 2TB Time Capsule and multiple external HDDs. I recently bought a 4TB external drive, now I'd like all my files, in all my HDDs to go to the 4TB drive that is connected through USB to the ...
0 votes
2 answers
2k views

Backup disk suddenly won't work

Here's the error message I get: "An error occurred while copying files. The problem may be temporary. If the problem persists, use Disk Utility to repair your backup disk." When I try to follow that ...
2 votes
0 answers
792 views

Time Machine won't back-up to external hard drive, any way to fix this?

Problem When I try to make a back-up using time machine, the back-up gets to about ~500 MB and than halts. The following error is given: An error occurred while copying files. The problem may be ...
1 vote
1 answer
755 views

Are 'du' and 'df' reliable when there are lots of hard links?

MacOS 10.13.2 (17C88) Backupdb is three times the size of the used space on the internal drive. When there are lots of hardlinks in something (as there are in TM backups), does 'du' count every link,...
3 votes
1 answer
2k views

How to restore backups manually from Time Machine?

I bought a new Mac a few days ago. I did a clean install, so I can start blank. Now I want to restore some files back from Time Machine to the new Mac. Is there a way to get the Time Machine interface ...
4 votes
0 answers
3k views

Time machine restore is stuck after 3 hours

I swapped out the hard drive on my old MacBook Pro. Installed Mountain Lion, then High Sierra. Now I’ve found my time machine password (available in Keychain Access app on my laptop but not in my ...
4 votes
1 answer
6k views

What happens if you restore your keychain from a TM backup?

Does anyone know what happens or what I should expect if I restore all contents of ~/Library/Keychains from a Time Machine backup? I'm trying to assess the risks of doing this. The reason I am asking ...
1 vote
1 answer
71 views

How to restore a Time Machine backup from a 2 HDD setup to a single HDD

My current (being phased out) setup on my iMac is SSD contains OS, HDD contains my home folder. /Volumes/iMacSSD/ is the OS /Volumes/iMacSSD/Users/iMac or /Users/iMac is a symlink to /Volumes/iMacHDD/...
0 votes
1 answer
600 views

Consistent TM errors (-36 and -8062) when trying to backup to an external drive

Since moving to a new MBP I am having endless of trouble with TM backups. They practically all fail, at different time points, with different files being the culprits (see below). I have a WD MyBook ...
3 votes
1 answer
4k views

Are TimeMachine backups password protected?

If someone was to steal my external hard drive would they need to input my password to be able to read the TimeMachine backup data on there?
1 vote
0 answers
836 views

High Sierra Time Machine backup refuses to restore onto a non-SSD external HDD

Pressing CMD+R on startup, after selecting the source to restore a Time Machine backup, an external HDD partition is being refused, the error message roughly states: A Time Machine backup of an APFS ...
2 votes
1 answer
6k views

Time Machine often says, "No Backups for # Days" even though it should back up every weekday

I have a late 2014 MBP that I hook up to power and an external hard drive at work every weekday for 8 hours. I've been running Yosemite for less than a week, and before that I was running Mavericks. ...
2 votes
0 answers
2k views

TimeMachine backup to shared windows drive via SMB?

I am trying to figure out how to reliably back up my 2013 MacBook pro to my Windows 7 desktop, living on the same network. The Windows machine is hardwired and the MacBook is connected via WiFi. The ...
4 votes
2 answers
2k views

Restoring a Time Machine backup to a machine with a password on the drive

I've inherited an older Retina Macbook Pro from a deceased relative. I don't know the password for their user account, and I would like to make the machine usable. I have a Time Machine backup from ...
7 votes
4 answers
4k views

Methods for copying Time Machine backups offsite

I presently use an external USB drive to back up my Mac Mini with Time Machine which is a little about 1.5 TB total, however, I would really like to be able to trickle those backups onto some other ...
2 votes
3 answers
9k views

Time Machine error code 21 and 19, "Failed to mount.... because the image could not be attached"

With macOS sierra (10.12.4), Time Machine backups to a Synology NAS are failing in the "preparing backup" phase. The UI messages aren't helpful, but console shows this error from backupd: Failed to ...
9 votes
1 answer
2k views

How does Time Machine backup files that have changed?

As I understand it Time Machine will create the folder structure and create a copy of all of the files that are to be included in the Time Machine backup during the first backup. After that a hard ...
6 votes
1 answer
1k views

How do I enable Time Machine local snapshots on an iMac?

I have an iMac with a Fusion drive running High Sierra. Time Machine is enabled and backs up to an external disc. Time Machine takes daily local snapshots so that you can go back to a specific day, ...
3 votes
0 answers
388 views

Browse old versions of iTunes playlists via Time Machine?

I would like to look at some of my iTunes playlists and see their contents some months or a year ago. I know I can restore the whole iTunes library, then ask iTunes to open a non-default library when ...
1 vote
1 answer
2k views

How to fix hang during shutdown of OSX Sierra

My MacBook Pro Retina 15-inch Early 2013, running Sierra 10.12.6 has a long standing issue where everytime I reboot (for many months now), it hangs during shutdown with a spinning icon near end of ...
1 vote
0 answers
637 views

Unable to access older time machine backups after turning file vault off?

I've had FileVault turned one since I purchased my Mac. I recently turned it off and I've found that I can no longer access my older backups from when FileVault was enabled. Is there any way to gain ...
0 votes
1 answer
1k views

Can a logged in user restore its ~/Library folder from a Time Machine backup made with a previous version of the OS?

The full story: I have a clone of my old MBP drive which had Yosemite installed. I now have a new MBP with macOS Sierra on it. I tried to transfer the data from my old Mac to the new one using ...
3 votes
1 answer
2k views

Can Timemachine restore the backup of an external drive to another external drive?

I have two external drives attaching to my Mac, one for file storage and one for time machine. The latter one keeps the TM backups of the former one. If someday I lost the former one is it possible ...
0 votes
1 answer
647 views

Restoring from Time Machine Backup – Cannot replace Mac HD

I'm trying to restore my computer to a previous backup of my Mac HD. However, when I try, I see an error notice telling me that I cannot, since this file is not able to be deleted: ....
1 vote
1 answer
373 views

Time Machine keeps notifying me that it deleted old backups because it was full

I already disabled the feature to notify me when old backups are deleted, yet it's still notifying me. (I've had this checkbox disabled for years.) I've been using my Mac for a long time, and since ...
2 votes
1 answer
4k views

How long (time/duration) should a complete restore on an iMac from Time Machine take?

I was getting long boot times when I would log onto my account and even my kids' accounts on my iMac (2008 Intel Core 2 Duo). Then I could not launch Disk Utility and other standard, pre-installed ...
3 votes
2 answers
53 views

Reformatted Hard Drive & Transferring Over User Data and Apps

I tried to upgrade to High Siera but it crashed in the middle and totally messed up my Mac. I tried everything under the sun to fix it, be it Tech Tool, Drive Genius, Disk Warrior. Disj Utilities. ...
1 vote
1 answer
862 views

Slow Finder - Caused by external disks?

I've been finding Finder slow on my brand new Retina MacBook Pro. I've got two external disks connected to my Mac most of the time. One is a Time Machine backup, the other is a Clone, also for backup....
1 vote
0 answers
39 views

how to backup MacOS under bootcamp windows7?

Background: My OSX partition was corrupted in some way by bootcamp or the paragon i was running on it. Similar incidents has happened twice before, but I don't remember if the triggering conditions ...
1 vote
2 answers
5k views

Accessing Time Machine Console Messages

Under previous versions of macOS, to get an idea of what Time Machine was up to I could simply open Console.app and enter "backupd" as a filter in order to see lots of useful messages, in particular ...
5 votes
3 answers
21k views

Making Time Machine Backups while Mac is in Sleep Mode

I'd like my Mac to be able to save a Time Machine backup even when I have it in sleep mode. Is there a way I can have my Mac wake up at a certain time automatically in order for Time Machine to run?
34 votes
3 answers
118k views

What does Time Machine back up?

Does Time Machine backup system files, kernel files and other OS-related files? I have corrupted system drivers and files and I want to do a fresh install of OS X but I also want to back up my ...
2 votes
1 answer
88 views

My 5TB HD now thinks it's a 3TB?

I'm at a total loss to explain this strange incident. I have a dedicated Mac Mini as a media server to the house, and it has a 5TB external Seagate drive hanging off of it. The drive is partitioned ...

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