OS X :: Can Time Machine Backup My External Drives
Mar 10, 2009
So right now I have 2 external hard drives, a 2TB MyBook Mirror edition, set at RAID 0 so its a full 2TB, and a 1TB MyBook Home Edition. I also have three LaCie 1TB drives to back up the MyBook drives.
How I back up is basically copy the contents over to the backups once a month. The problem is, using USB (my only option) takes about 24 hours per TB. Backing up 3 days a month? Not fun.
Can Time Machine do this better? I still have Tiger, so can't test it yet but it seems tedious to do things my way. I would rather be able to plug them in and sync every few weeks and not have to replace every file, just the ones that changed or were added. Can this be done?
I don't keep the drives connected 24/7 so it would have to be manual, and also can Time Machine back up a 2TB drive to 2 1TB drives? The are stuck in enclosures so i have to connect the 2 separately through USB, can't use RAID.
If Time Machine is not the answer, is there some third party program the would not require me to re-copy every file? It would be great if I could save some time doing this.
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Aug 4, 2009
How can TM take backups of external drives that are connected?
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Dec 27, 2008
I have an external hard drive that I use with my MBP at work. I'd like to buy another external hard drive to keep at home an also use with Time Machine to backup when at home. Will this work with 10.5.6? What I mean is, will Time Machine work if I plug in another hard drive at home, and still work when I plug in my other drive at work?
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Sep 27, 2010
I have a question regarding Time Machine functionality. Here's my situation. I have two hard drives in my Pro: one that operates as a Boot drive, and one for storage. Right now I have Time Machine set up to backup my storage drive, but I was wondering if it was possible to have plug in a second external drive and use it to back up the Boot drive. I searched for a similar thread, but couldn't really find anything. Has anybody successfully done this?
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Mar 10, 2008
I'm sure this is answered somewhere, but does Time Machine backup any mounted drive when it does a backup, or only the internal drives, or only the boot?
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Jan 11, 2009
I would like to maintain an off-site backup, and plan to rotate a hard drive on a monthly basis. I'm running 10.5.5 with Time Machine. I understand that I may need to initialize a new backup drive every time I switch drives? Any thoughts? Is Time Machine really the best way to go here?
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Jul 18, 2009
Just a quick question, if I add a second drive in an Optibay, will TM back up both of my drives?
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Nov 2, 2009
have all of my music/videos on an external Maxtor 750 GB USB drive. I have all of my photos on the 750 GB internal drive of my iMac.
I want to get a 2 TB external for BU purposes.
Can I set time machine to BU both 750 GB drives on the 2 TB drive?
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Mar 26, 2012
I have two Western Digital drives for backup, one with pictures and one with other files. When I select the disc for backup on Time Machine how do I select both?
Info:
iMac, Mac OS X (10.6.8)
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Nov 19, 2009
Here is what I want to achieve: I have my MBP with a 500GB hard drive that I want backed up to an external 750GB drive (A). Then I have an external 1TB drive (B) that I also wanted backed up to an external 1TB drive (C).
Or:
Internal -> drive A
Drive B -> drive C
Can Time Machine do this all for me or am I going to need a 3rd-party app to help. I know I can easily use TM for doing one of the backups, but will it handle both? If not, what's a good 3rd-party app that will help me accomplish this?
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Jun 27, 2012
I have three Macs backing up via Time Machine. They are using an external hard drive connected to one of the machines. These back-ups take place on site every day, but I also want to use the same back-up system to back-up to a second hard drive which can then be stored off-site.I have initiated first back-ups OK using this system, but now when I look to change the back-up drive once a week the machines don’t seem to recognise the earlier back-up files on the external drive and start to make a new back-up each time. The back-ups are all large and I can’t afford the time this is taking. How can I make my drives recognize the earlier back-up files and just perform an incremental back-up rather than a complete new back-up each time.Â
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Apr 12, 2009
I have a linksys wrt610n wireless router that isn't set up yet. You can attach USB drives to the router to use as a nas. I can't find if time machine will use it or let me use a drive attached to the router for my backups.
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May 23, 2012
Can I use Time Machine to backup multiple drives of one computer?
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.4)
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Mar 15, 2012
I'm trying to do a favour for a friend. She has a 320Gb external WD hard drive which she used on her Macbook to backup with Time Machine. It is not partitioned and she keeps the "Backups.backupdb" folder with other personal folders she throws in there. Recently she sold her Macbook and all that was left was this hd. She now only has access to her work pc but it won't recognize her hd as she's apparently formatted it with option "Mac OSX Journaled". So she gave me her hd to backup and then format to FAT32.Â
I've been a Mac for a long time but have never used Time Machine, I simply copy my important files into an external hd as I feel it's cleaner and I've never really had HD problems with any Macs I owned. So basically I have no idea how this works. I managed to copy all of her personal folders into my hd as well as the one labeled "Latest" on the Backups.backupdb folder ("Latest" is actually an alias). But I can't seem to be able to copy the rest of the backup folders. I can copy them into my computer hard drive, but each folder (I'm talking about the ones labeled with dates, there are 35 of them) is around 70Gb. Now, of course that doesn't make any sense, as it would be impossible to have 35 folders of 70Gb each in a 320Gb hd. I can only assume they use aliases as well, but when I try to copy them individually or as a whole (enclosing folder) Finder says I have no space available for that (even though I have more than 320Gb available).Â
Now, in my mind it's completely idiotic to keep any folders other than the Latest one. She doesn't even own a Mac anymore. But she's freaking out that I'm going to lose her entire life (she's that kind of person). I don't want to open the Time Machine app because like I said I don't use it on my computer and these are not my files, so I do not in any way want to sync with this hard drive or backup to it. I'm on a 21" 500Gb iMac running 10.7.3.Â
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Apr 30, 2012
I have a external HD which has always worked fine under snow leopard. Since upgrading to lion I keep getting the following message The identity of the backup disk has changed since the previous backup.The disk may have been replaced or erased, or someone may be trying to trick your computer into backing up to the wrong disk. And after this the drive disappears from the desktop appearing agian only after restart. What can I do do rectify this? Delete and re-intialise the drive?
Info:
MacProQuad2.6 4gbRam, Mac OS X (10.4.8)
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Dec 8, 2008
I have a 500 gb external that I've been backing up Time Machine onto--I also use the drive to store my movies (about 100 gb and increasing) but I'm getting to the point where time machine is taking over. Apple suggested partitioning my drive--does anyone else think that this will work or is there some other option that I have? I've thought about manually deleting certain Time Machine back ups but hate to have to do that constantly.
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Mar 6, 2009
I have a 500Gb internal drive in my iMac, another 500Gb external drive (USB) and a 1Tb Firewire800 drive. Can I set up Time Machine to back up both my internal 500Gb drive and my external 500Gb drive to my external 1Tb drive?
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Feb 27, 2009
If I have two hard drives in my Mac Pro, can I back them up to one external drive with Time Machine?
If I have a third drive that I DO NOT want to back up with Time Machine, can I specify that I want to back up the first two but not the third?
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Feb 22, 2012
Can I include external drives to be backed up using Time Machine? Not only do I want to back up my IMac, but I have several extenal drives for one iPhoto, one iTunes and one for other files & documents. How do I know if they are included in the backup process?
Info:
iMac, Mac OS X (10.7.2)
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May 4, 2012
I see a lot of info about problems with various external drives working with Time Machine. I have Lion 10.7.3 and find that my old external drive that worked with PCs doesn't work. So, does Apples have a list of recommended esternal drives or at least a list of ones Apple knows are compatible?
Info:
iCal, Mac OS X (10.7.3)
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Jul 4, 2012
I have two external drives daisy-chained to my iMac for Time Machine,Superduper bootable back-up and a further Superduper back-up of my old Snow Leopard drive. Since upgrading from 10.7.3 to 10.7.4 I get an irritating message each time I awake the computer from sleep that another computer is using my network and the computer name has to be changed. Changing the name as advised in Sharing of System Preferences does not solve the problem. Only disconnecting the external drives makes the warning go away but this is self defeating since I then cannot use Time Machine and/or Superduper.
Info:
iMac, Mac OS X (10.7.4)
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Mar 11, 2009
I have an external 500gb drive plugged into my brand new Time Capsule. The 500gb drive basically stores my entire library of music and my iTunes points to this external drive.
Is it possible to have time machine backup all information on the 500gb drive to the time capsule, so encase the external drive takes a dump, I don't loose my entire music library? Maybe time machine is already doing this, I am not sure.
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Mar 17, 2012
I was using a 1TB drive for Time Machine; I've now upped it to a 3TB drive. The new drive is an exact copy of the old one. But when I try to do a Time Machine backup, it's been stuck in "Preparing Backup..." for over 12 hours.
Info:
Mac OS X (10.7.3), 2.5 GHZ Intel Core 2 Duo, 4 GB 667 MHz DDR2 SDRAM
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Nov 30, 2008
I have a 320GB internal drive and 1TB (MyBook) external drive. I recently bought a second 1TB external drive (MyVault)to use with Time Machine. I have removed the exclusion of MyBook so that Time Machine backs it up but so far it has refused to do so. It is happily backing up the internal drive. I have looked in the Mac OSX Leopard Missing Manual but still have no clue as to what I am missing. The initial setup (and backup) did not include MyBook until I discovered that I would have to remove it from the exclusions.
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Mar 15, 2009
So I've run into a Mac issue I'm not sure how to handle. I've got a Mac Pro running Leopard. I've got 3 internal Harddrives: 1.) 250 GB (runs my OS and applications), 2.) 500 GB (where I store all my source files for my business), 3.) 750 GB (serves as the backup for Time Machine for all the files on Harddrives 1 and 2.). So I began thinking the other day. What would happen if somehow all 3 harddrives were destroyed (theft, fire, power surge, flood damage, etc.)? I would lose years worth of source files from my business (graphic and web design files mostly).
So I went and bought a 1 TB external drive today. Ideally I would like to put the external drive in another location and bring it out maybe once a week to backup the 3rd harddrive from above (the one being used for Time Machine). Does anyone have any suggestions on how to backup this harddrive...some type of program that essentially acts like Time Machine? I just basically need it to mirror my Time Machine Harddrive. I found a program named Super Duper (http://www.macupdate.com/info.php/id/13803/superduper) not sure if anyone has had experience with it or not. I'm open to any suggestions on how to use the external harddrive to back up my Time Machine harddrive.
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May 28, 2010
I have a seagate 320 gb external hard drive(with usb). Currently I am using a hackintosh and I will switch to Mac in a month. In my external HDD I have 200gb of pictures-movies-tv shows-documents. It is formatted with NTFS so I use it with Macfuse and NTFS 3G. When I get a macbook pro 15" i5 with 320gb hdd I will transfer all 200gb to my MBP, format the HDD to Mac os journaled instead of ntfs and use the hard drive for time machine.
After that I will still have some space. I want to use that space for carrying around documents for example to carry my presentation with me to the school. Can I use it like that? Also computers at school uses Windows, can windows read and write Mac OS Journaled format? Additional quick question: In windows if HDD is full pc gets slower, do macs get slower when hard drive is near full?
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Jun 2, 2010
We just came back from vacation 2 days ago; I checked time machine. It says latest backup is delayed; then latest backup failed; next backup when disk is connected. I have a WD external hard drive. I check to see that it is connected to my IMac and is plugged in for electricity. Restarted my imac - same problem. There is no lite on the WD; does it mean it died? Or what can I try? It is less than 2 yrs old.
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Dec 1, 2010
I want to plug in my computer into my USB dock, automatically mount my external HD, have TimeMachine do its thing automatically (so far, so good), but then immediately after the backup finishes, I want the computer to automatically unmount the HD. This will allow me to close the laptop and go somewhere without having to constantly eject the HD everytime I unplug the computer.
So - what I need is a program / script / etc that will tell the computer to eject the drive as soon as TimeMachine is done backing up.
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Mar 29, 2009
I was thinking of getting an external hard drive for use with Time Machine. On Amazon I found a Seagate 1.5 TB unit for $129. However there is a similar model "for the mac" for $192. I am wondering if the cheaper unit would work, or if the one for 50% has some indispensable feature.
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Jun 28, 2009
i was backing up my macbook nightly up until a few months ago but then stopped.
i want to wipe the external drive im using and start all over with fresh back ups. can anyone explain to me how i can do all this? i completely cant remember how i did it first time around!
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