Preserving copies of data which enable recovery from a data loss event.

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4
votes
7answers
17k views

How can I get back a system file after deleting it from my Mac?

I've deleted a system file from my Mac and need to get it back. System files can include: hidden files in the root of / - especially unix files in /private /System files /Library files ...
81
votes
7answers
298k views

How can I manually delete old backups to free space for Time Machine?

I use a Time Capsule for backup and now I want the drive to back up data from an extra Mac. But the drive is filled up with old backups from Mac 1. There simply is not enough space available for the ...
4
votes
5answers
21k views

I forgot my local backup password to unlock the iPhone backup file

I just received my new iPhone from Apple after I had my old one changed due to it being a rather bad specimen. Now I'm occurring a rather irritating problem, as I connected my iPhone with my iTunes to ...
13
votes
7answers
2k views

Is there a bash command to check to see if Time Machine has finished backing up?

I'm writing a script that will rsycnc my Time Machine directory to a remote server using ssh. I've switched from a shell script to an AppleScript and then back to an Apple script and I don't really ...
7
votes
4answers
4k views

How to revert to Lion from Mountain Lion?

I'm running a Mid-2011 Macbook Air, my first Mac. When I bought it, it had Lion pre-installed. Yesterday I picked up an external hard drive, and made my first Time Machine backup. In the next few ...
1
vote
0answers
1k views

How can Time Machine in Lion backup the volume content of a sparse bundle disk image?

Using Mac OS X 10.7 (Build 11A511), attempts to backup volume content with Time Machine have failed. With a simple non-encrypted image I tried three approaches: the traditional workaround, which ...
4
votes
10answers
7k views

How do I back up my iPhone contacts to iTunes over USB?

How do I back up my iPhone contacts to iTunes over USB? I followed the standard procedure and my contacts were wiped out on my iPhone so I am scared about backing them up.
22
votes
2answers
36k views

How to wipe huge .MobileBackups folder?

I found my .MobileBackups folder quite large, it weights 160 Gi. Shouldn't the .MobileBsckups folder be wiped after the TM 'backup session'? Since I have backup done on my external drive how can I ...
8
votes
5answers
16k views

DIY Fusion Drive: Adding Recovery HD to a CoreStorage Volume Group

After creating a "DIY Fusion Drive" using the methods below in 10.8, I'm now wondering how to add a RecoveryHD partition to the internal drive. Here's what I did to create a Logical Volume Group ...
16
votes
2answers
35k views

Fastest and safest way to copy massive data from one external drive to another

I need to be able to copy about 2TB of data from an external drive (single USB external disk) to a another external drive (Drobo attached via Firewire). Finder is not an option. If it hits any ...
14
votes
2answers
84k views

How big should my Time Machine backup drive be?

My 13" MacBook Pro has 500GB internal hard drive space, and I bought a 1TB external HDD to use as my Time Machine backup. I only read from many articles that the backup should be about 2 to 3 times ...
10
votes
2answers
987 views

How to force a Time Machine deep traversal?

After a few kernel panics and an accidental hot-unplugging of my Firewire Time Machine drive, I'd like to make sure that my Time Machine exactly matches my Macintosh HD, much like rsync -a. Is there ...
2
votes
0answers
27 views

How to verify that an iTunes backup is valid?

Is there a way to verify that a backup of an iPhone is valid (other than wiping the device and attempting to restore it :))? I've had a recent catastrophic incident involving an iTunes encrypted ...
12
votes
3answers
40k views

How to resolve “iTunes could not back up the iPhone because the backup was corrupt”?

When I try to sync my iPhone with my computer, I get the following message: iTunes could not back up the iPhone "iPhone Name" because the backup was corrupt or not compatible with the ...
9
votes
7answers
2k views

What are the best disk cloning tools?

Money is no object. I want a bit for bit perfect copy of a hard drive/partition which is bootable (is either possible) to be used in a backup regimen. I have heard of some tools but your ...
5
votes
2answers
2k views

How can I get Time Machine to back up the contents of a File Vault while logged in?

Disclaimer: this question and answer are targeted to the Snow Leopard implementation of FileVault where the user home folder is only encrypted in a bundle. Lion's implementation of FileVault doesn't ...
4
votes
2answers
4k views

Is there a complete and detailed description of what Migration Assistant copies over?

Does it copy all files in ~/Library ? Including cache files and even things like Flash cookies? What about user created files/folders in / ? etc etc
3
votes
2answers
18k views

How to restore individual app data from iCloud while keeping all the other apps installed and new data created since the last iCloud backup?

I just discovered that one of my apps X "disappeared" for whatever reason from my iPad. It contained MBs of valuable data, and luckily I have an iCloud backup dated a week ago or so which have it all. ...
3
votes
2answers
1k views

How can I use tmutil to figure out which files just got deleted?

I'm on Lion and until ten minutes ago I didn't know that the nifty new tmutil existed. But now I'm a little uncertain with all its options and sub-commands which to use to try and figure out what went ...
2
votes
4answers
44k views

Restoring an OLD iPhone backup

I recently made a full backup of my iPhone 4S to my computer. I was having some issues with it so I when into DFU mode and did a clean install. Unfortunately as soon as iTunes finished installing iOS ...
1
vote
0answers
41 views

Apple Backup encrypted format specs? I need to decrypt part of a backup (for which I have the key) that iTunes won't restore

An odd one here: Encrypted iTunes backup backup completed successfully Key stored in the Keychain (since the first backup of this device a long while ago) Also stored in PasswordSafe and both ...
1
vote
1answer
7k views

How to restore from a Time Machine backup when there is already a user account set up?

I can't figure out how to access my Time Machine backups since Apple replaced a defective hard drive. Some Background: My setup: iMac 24" (Early 2009), 3.06 GHz Core 2 Duo, OS X 10.7.3. I have been ...
3
votes
2answers
60k views

I forgot my Encrypt Local Backup password. How can I start over?

In iTunes (Windows 7) Encrypt local backup is checked, and I can't remember the password. I don't need to restore my iPad; I just want to be able to back it up. If I attempt to uncheck this, iTunes ...
3
votes
2answers
355 views

How do I change my TimeMachine volume in a script

I have a TM volume on my desk at work and I also have one at home. That way, I have a better shot of my data surviving a disaster. Right noow I have to manually change the TM volume based on where I ...
3
votes
3answers
8k views

What's the fastest way to get data off Time Capsule and onto an external drive?

I plugged an external drive into Time Capsule using the USB input on the back. Then I used Finder to move data from the Time Capsule's drive to the USB drive. Finder says it'll take over 24 hours to ...
2
votes
2answers
2k views

Shortcut to eject all external hard drives but not MobileBackups

So far I've been using the following AppleScript to eject all external drives at once conveniently using a shortcut: tell application "Finder" eject (every disk) end tell This script is is ...
2
votes
1answer
347 views

Time Machine deleting backups from several months ago (but not the oldest)?

During its "Cleanup" phase, Time Machine has recently been deleting backups from several months ago—even though these aren't the oldest backups, and my backup drive isn't full. My backups go back to ...
0
votes
1answer
173 views

Is Time Machine sufficient in the case of a reformat?

I installed OS X Server 4.0 on top of Yosemite and my VPN got hosed. I've tried many things to fix the issue including attempted uninstall of OS X Server. Now I am going to re-install the OS. In ...
0
votes
2answers
1k views

Time Machine stuck on “Preparing backup” whenever returning from Boot Camp to OS X

I have Windows 7 installed in Boot Camp. Whenever I go into Windows 7 and then go back to OS X Lion, and then run a Time Machine backup, Time Machine is stuck on the "Preparing Backup" stage for a ...
0
votes
1answer
9k views

Recovery of deleted SMS

I have never backed up or sync'd my iPhone 4S and need to recover deleted text messages. Are these stored until they are overwritten? When would the overwriting occur on a 32GB iPhone?
12
votes
4answers
8k views

MTMFS consuming an entire CPU core and fans running full bore with Lion

You may be aware that Lion introduced MTMFS, the Mobile Time Machine File System. I've had a couple of instances now where MTMFS has been chewing up an entire core of my dual-core (mid 2009) MacBook ...
13
votes
3answers
7k views

Time Machine keeps asking to create new backup?

Every time a backup completes I get this message - 'Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you.' I am backing up to ...
13
votes
3answers
10k views

How can I “clean out” my Time Machine backups if Time Machine won't backup because the disk is full?

When Time Machine tries to make a backup, it informs me that it can't because the backup disk is full. What it's mostly full of (about 700GB of 1TB) is prior backups of the same machine. Time ...
12
votes
2answers
16k views

With File Vault ON are time machine backups encrypted?

I have been using time machine to back up to a wireless external drive since I got my mac. Today I used filevault to encrypt my hard drive. Will this affect how Time Machine backs up my files? Will ...
6
votes
1answer
2k views

Time Machine, ZFS and deduplication

I'm currently exporting a ZFS partition with dedup=on using ubuntu-zfs and netatalk. However, time-machine insists on creating a sparsebundle on it, and it made me start wondering if this would have ...
6
votes
6answers
7k views

Backing up a Boot Camp partition

I see in the Time Machine options that my Boot Camp partition is excluded. I haven't even tried to remove it from the list of exceptions since I have read that Time Machine will not work with NTFS ...
7
votes
5answers
11k views

How can I back up a complete IMAP account?

I have a huge IMAP email account that contains a lot of subfolders and a lot of messages (dating back to 2005). Is there a simple way to back up these folders and messages so I can delete them from ...
4
votes
6answers
10k views

Time Machine stuck on “Preparing Backup”

I have a MacBook Pro from 2009. It came with OS X 10.6 (Snow Leopard) but I upgraded to 10.8 (Mountain Lion). A few days ago, I tried to backup my files on an external hard drive, like I have ...
16
votes
4answers
61k views

After deleting an app, can you (much) later reinstall it and restore its data from iCloud?

I have several games that, combined, use up a pretty good chunk of my iPhone's flash. I haven't played some of them for a while, and would like to remove them. However, at least before iCloud, ...
13
votes
3answers
97k views

How do I restore my iPhone from an iCloud backup?

I just installed iOS 5 on my iPhone 4 several days ago, and I backed it up to iCloud. After performing a sync with my PC, it deleted a bunch of apps. I'd like to restore these from the iCloud backup. ...
9
votes
3answers
7k views

How secure are iCloud backups?

Are iCloud backups encrypted, both when transmitted and stored? Is it possible for someone at Apple to access any backup made to the data enter? I have heard that when apps have been pulled from the ...
8
votes
3answers
22k views

Can I restore a Snow Leopard backup onto a Lion machine?

So I am a little confused and slightly worried, and I was wondering if someone could answer this. I have a Time Machine backup saved on an external HD for my Mac mini that is running the latest ...
7
votes
1answer
3k views

Best rsync options to transfer data between two Mac

I am about to move my data from my old iMac to a brand new MacBook Pro. I would like to start over with a fresh install on B and copy just a subset of my data, reinstalling applications from scratch, ...
7
votes
3answers
9k views

Merge Time Machine Backup

Is it possible to merge to Time Machine Backups? When I look inside the sparse-bundle which Time Machine generates then I see that the folder-structure ordered by dates. So theoretically I could copy ...
5
votes
2answers
69k views

How to set up new iPhone without deleting its data?

I had my first iPhone synched with my Macbook, then I bought a second iPhone, a 3GS, and I still haven't synchronized it with my Macbook. In fact, I'm not sure I set this 3GS up with any computer at ...
4
votes
3answers
480 views

Copying Time Machine backup, destination takes more than original size, are hardlinks being expanded?

I'm copying the backup folder of Time Machine, but it's taking too long, the backup is 90GB and the copy already reports 160GB and there's 60% to go yet, so I suspect it's copying hardlinks as ...
4
votes
3answers
5k views

Can I transfer backups when replacing a Time Capsule?

If I get a new Time Capsule, how can I transfer the backups from the old Time Capsule to the new one. I see an option to Archive the Time Capsule from the Airport Utility, but I don't see any way to ...
3
votes
1answer
2k views

Time Machine Full, But Only One Backup (or, what are .RecoverySets and why do they take up so much space?)

Something crazy is going on with Time Machine. I upgraded to Mavericks yesterday with no issues. After performing a final backup on Mountain Lion, I disconnected my backup drive out of an abundance of ...
3
votes
1answer
5k views

Recommended way to back up a Macbook before upgrading its OS?

I'm planning on upgrading a friend's Macbook from OS X Leopard to OS X Snow Leopard. I think it's a good idea to backup all the data before upgrading the OS, in case something goes wrong. The problem ...
16
votes
3answers
6k views

Why is “Verify Backups” in the Time Machine icon menu disabled?

I learned in Upgraded to Lion: Time Machine spends a LOT of time indexing backup that if I hold down the option key and click the Time Machine icon in the menu bar, the "Back Up Now" menu item changes ...