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

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4
votes
7answers
3k 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 ...
52
votes
7answers
172k 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
11k 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 ...
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 (BuildĀ 11A511), attempts to backup volume content with TimeĀ 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.
7
votes
5answers
13k 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 ...
11
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 ...
8
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 ...
5
votes
2answers
5k 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 ...
4
votes
2answers
2k 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
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 ...
1
vote
1answer
4k 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
38k 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
344 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
4k 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 ...
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 ...
9
votes
2answers
4k 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
6k 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
3answers
6k 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 ...
10
votes
2answers
11k 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
6answers
6k 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 ...
5
votes
1answer
1k 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 ...
14
votes
4answers
31k 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, ...
9
votes
1answer
682 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 ...
8
votes
2answers
21k 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 ...
8
votes
3answers
21k 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 ...
5
votes
2answers
47k 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
435 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 ...
3
votes
1answer
4k 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 ...
15
votes
3answers
5k 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 ...
9
votes
3answers
5k 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 ...
9
votes
6answers
7k views

Can Time Machine back up to an external HD connected to another Mac?

Is it possible to use Time Machine to back up to an external hard drive connected to a Mac on same wifi network?
7
votes
4answers
30k views

How to change the location where iTunes stores backups of iPhones?

When I sync my iPhone 4 with my iTunes, the latter starts to make a backup before doing the actual sync. This backup often takes a lot of time to make, which is very annoying. What is even worse ...
5
votes
1answer
1k 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, ...
5
votes
5answers
407 views

Alternative backup solution for a mac?

I know that we can easily use time machine. However, i wonder if there exist any other way to backup the data on my macbook? Since I do a lot of modification to the system and sometimes make it has ...
3
votes
1answer
7k views

How do I continue to use Time Machine backups after switching my hard disk?

I replaced my HD with an SSD (256 GB), and restored the contents from my Time Machine backup (external HD 320 GB). Now, after a day of working, I plugged in my external HD to make the next backup. ...
2
votes
2answers
5k views

Time Machine from networked Mac?

Is it at all possible to setup Time Machine so that it backs up to a disk image on my external Mac? Here's my setup: My MBA which will be backed up MBP which is connected to the wireless network ...
2
votes
3answers
1k views

Will iCloud backups of iOS devices restore the iOS Keychain?

Prior to iCloud, it was necessary to explicitly encrypt iOS device backups in order to include passwords stored in the iOS Keychain. Indeed, this was an important and recommended use of encryption, ...
2
votes
1answer
2k views

Time Machine backs up a huge quantity of data on every run

I have a MacBook Pro with Snow Leopard and a Time Capsule. In the last few days every backup took over 100GB of data. I don't know if there is some issue with permissions or something similar, but to ...
1
vote
1answer
185 views

Can I configure a task to run while my MacBook lid is closed?

Can I use pmset or a utility like Power Manager to have a task (such as an arbitrary script or backup) run at a specific time while my Mavericks MacBook Pro's lid is closed? Are there perhaps pmset ...
1
vote
3answers
12k views

What are the advantages of Time Capsule over Airport Extreme with an external hard drive?

I would like for someone to outline the differences between buying a time capsule vs. just getting an airport extreme and attaching an external harddrive. The latter seems more flexible (easy to ...
12
votes
2answers
18k views

If I upgrade to iOS 5, can I restore a 4.2 backup?

I have an iPhone 4 with iOS 4.2 backed up to one of my PCs which I no longer use. If I upgrade to iOS 5, will I lose the opportunity to restore from one of these old backups? Would I be able to ...
7
votes
3answers
1k views

TimeMachine with multiple disks (one at a time)

I have backed up my Mac to an external disk using TimeMachine. When I plug in a different external disk the Mac still expects to backup to the first disk. Is it possible to backup to two external ...
6
votes
3answers
13k views

Can I restore an iPhone backup taken from a previous iOS version, or is there a better way to retain my data?

I just put orders in for a few new iPhone 4S upgrades for the wife and I but I'm not sure how to keep her data (app data mainly, the other essentials are synced with outlook). She has an iPhone 3G, ...
5
votes
2answers
4k views

How can I recover iPhone data lost after iOS upgrade?

I've had my iPhone 4 for about 3 months and when I connected it to my computer today I was prompted to update the iOS, so I did. But somehow I didn't realise that it meant I was going to need some ...
5
votes
6answers
2k views

Can I restore an iPhone from iPod Touch Backup?

If I buy an iPhone, can I restore it (along with app data) from an iPod Touch backup?
4
votes
2answers
3k views

How to access data from a Mac Contacts backup: a .abbu file

After I back-up Mac Contacts to a .abbu file, is there a program that lets me get at the underlying data vs. just importing them? I.e., can I open them as a text file or .CSV. Thank you!
3
votes
3answers
1k views

Use rsync to automatically copy a file to another folder

I found this command to copy the content of source to a destination folder. rsync -r source/* destination What I would really like is to have this command run automatically each time a file is ...