Can Time Machine back on one external hard drive (work files) to another external hard drive (back up)?

Can Time Machine on a Mac Book Pro 10.5.8 back up an external hard drive (working files) to another external hard drive (WD dual backup)?

I have Mountain Lion here ready to upgrade, but I'm scared of what will happen - there's always something when you upgrade, but I guess that's for a different post!
Yes, it's a different post, but let's make a comment any way.
Your power pc apps will not work when you upgrade to Mountain Lion. You will have to replace all the apps you use.

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Can 'Time Machine' back-up other external hard drives

Can 'Time Machine' back-up other external hard drives connected to your mac as well as the mac memory itself?

As Neil says, yes, it can. But external HDs are excluded by default; you have to tell Time Machine when you do want to back one up.
See the exclusions box in Time Machine Prefs > Options.
If the drive is shown in black, just select it and click the minus sign at the bottom.
If it's shown in gray, though, it's not formatted for a Mac, and Time Machine can't back it up (and you can't remove it).

Can time machine be used to back up one external drive to another external drive?

I use the photography program Lightroom to organize and develop digital photos. All my photos are stored on my iMac internal drive. The internal drive is almost full so I want to move my photos to a new external drive. At present, I have an external drive devoted to backing up my iMac using time machine. I have no need to change this arrangement. I would like to use a new external drive to serve as the primary location for my pictures, which I will move from the internal drive. Then I would like to backup that drive to a third external back up drive. Can time machine be used to automatically back up the second drive to the third drive as well as for continuing to provide ongoing backups to my internal drive as it is currently doing?
Thank you in advance for your assistance.

Jeffery t wrote:
Thanks for the links, but I don't see in the pondini links, the scenario I am asking about.
Time Machine can easily back up multiple internal and/or directly-connected external drives and partitions simultaneously (but Time Machine cannotback up data that's on a network).
From the first link.
Jeffery t wrote:
... Please note that my iMac internal drive is backing up to external drive number 1 using time machine. I want my pictures on external drive two and those backed up to external drive three. So are you saying that if I have 500 GB of pictures on drive number 2, I will need a third drive that is at least 1 TB?
the confusion starts in your above statement...
There should be Only One Time Machine Drive.

Can time machine back up an imac and an external hard drive?

I currently back up my imac via time machine but to reduce space on my hard drive I want to move my itunes library onto an external hard drive. If i do this can time machine still back up my imac and the external hard drive with the itunes library on automatically?
Regards
Toekoms

toekoms wrote:
I currently back up my imac via time machine but to reduce space on my hard drive I want to move my itunes library onto an external hard drive. If i do this can time machine still back up my imac and the external hard drive with the itunes library on automatically?
yes, given enough space on the destination drive (your library may grow over time). also, the drive needs to be connected directly to your Mac.
you might want to make sure the drive is not excluded from TM backups by checking in system preferences > time machine > options.
also, as for moving your iTunes library, see this read for tips/instructions.
JGG
edited by the Jolly Green Giant (where Green stands for environmentally friendly)

Can Time Machine back up a second external hard drive that is attached via usb to a Time Capsule?

Can Time Machine back up a second external hard drive that is attached via usb to a Time Capsule?
I have a iMac with 10.7.4

I want to back up the data on the external Hard Drive that is attached to the Time Capsule to the Tim Capsule using Time Machine.
Thanks for the clarification. Unfortunately, that will not work. You will need to connect the drive directly to your Mac if you want Time Machine to backup the drive to the Time Capsule.

Have 2 externals; one for time machine. can time machine back up the other?

I have 2 externals, one for media and large files, and the other exclusively for time machine. I went into time machine options and removed the other external from the omit list. Time machine wouldn't back up the drive then; so i guessed maybe it was too big, so i went through and omitted all but one small file, less than a GB. Is it possible to use the time machine system to back up files on another external?

From just looking in the Time Machine preferences, I think the problem is a little different than what your thinking. It looks as if you can indeed back up one external to another using TM.
The issue seems to be that you cannot have TM backing up more than one hard drive to one other hard drive using only one computer. A.K.A. If you have TM backing up your internal hard disk, then, as far as I can see, you can't select your other external for back up with TM. And, if you select your other external, then your internal won't be backing up.
One possible solution is using a free back up utility like Carbon Copy Cloner (http://versiontracker.com/dyn/moreinfo/macosx/13260). You could set your non-TM hard drive to be backed up every hour (the same interval as TM does) to the TM hard drive, and keep your internal backing up the same way it is now. You would end up with TM constantly keeping your main files on the computer up-to-date, and your other external would have the same "safety net." It does appear that CCC it may replace every file in each back up with the new one regardless of changes to the file (same as in every version to date), though I haven't used this updated version of CCC very much yet. But, if you don't need things updated every hour, you can set it to run a backup script on a daily, weekly, or monthly basis as well.
NOTE: One thing to keep in mind is that you should Uncheck the box that says, "Erase the target volume" in the main window of CCC so that you don't loose everything that's already on there when CCC does the back up.
-Joel

HT201250 Can Time Machine backup files stored on external hard drive

Can Time Machine back up files that are stored on external hard drive and save them on a different external hard drive?
I have my pictures stored on an external hard drive connected to my iMac. I want to make an exact copy of the pictures folder on a separate external hard drive. Can Time Machine do that?
If yes, how?
If no, what's a good way to create a mirror of the folder on External Hard Drive #1 (the original) on External Hard Drive #2 (the backup)?
I am not opposed to manually copying every couple weeks or month, but (1) it's less convenient and (2) I got an error message the first time I tried this saying the files couldn't be copied because some of the files being copied had the same name as each other (not exactly that, I'm at work and don't have the message in front of me right now, but that was the gist of it).
Thanks!

1. Yes, if both drives are formatted as Mac OS Extended (Journaled).
2. Reformat the drives if needed, open the Time Machine pane of System Preferences, and remove the drive with the pictures from the list of items set to be excluded.
(110331)

Can Time Machine back up data stored on a mounted external drive?

Can Time Machine back up the data that I have stored on an external drive? It's mounted on the desktop but I can't seem to add it to Time Machine.
Is it that Time Machine doesn't back up mounted External Hard Drives? If so, does anyone have a hack?

then the problem is not those external drives. As I said, I've never seen this particular error message.
Try using a different connection or a different port for your TM drive. If that doesn't help I'm afraid your options are very limited.
Unfortunately, TM is configured in such a way that when anything goes wrong, there is usually nothing a user can do short of reformatting the TM drive and starting backups anew. I'm very much afraid that's what you are looking at.
At least, I have no other advice to offer.

Can Time Machine back up data found on external USB HD?

Can Time Machine (under SL) back up data stored on an external USB drive? And if so, how does one get along to set this up? I mean, the options (preferences) dialogues for TM are so meagre!

hani7up wrote:
Can Time Machine (under SL) back up data stored on an external USB drive?
yes, it can.
And if so, how does one get along to set this up? I mean, the options (preferences) dialogues for TM are so meagre!
that's to make things easier. TM will back up any directly attached drive (internal or external) provided it's formatted MAC os extended. just connect the drive and remove it from TM exclusion list in TM system preferences->options.

HT201250 I run time machine on my iMac using an external hard drive. I just bought a MacBook Pro and want to know if i can run time machine on it using my wireless network on to the iMac external hard drive

I run time machine on my iMac using an external hard drive. I just bought a MacBook Pro and want to know if i can run time machine on it using my wireless network on to the iMac external hard drive

How do I set up Time Machine to a shared drive on another Mac?

Can Time Machine back-up to an external ethernet Harddisk?

Can Time Machine back-up to an external ethernet Harddisk?
I think it is only possible when the external drive is directly attached via USB or FireWire.
I do see the ethernet disk in Finder and have access to it via ethernet, but it does not show up in Time Machine.
What if I connect it to an Airport Extreme ethernet port?
Time Capsule will work, but only with the internal harddisk?
My Ethernet disk is a LaCie Ethernet Mini Disk which supports Mac OS X.
Thanks,
Benny

backups to NAS devices are not officially supported. the only exception is Time Capsule. It also works with an Airport Extreme base Station. There are hacks to enable backups to NAS but you use them at your own risk. see this link
http://www.macosxhints.com/article.php?story=20080420211034137&query=time%2Bmach ine%2BNAS

Time Machine Disk on One Machine Backing up a Second

Hello All,
I have an iMac with an external hard drive I use for time machine. I am going to get a MacBook Air and want to use the same hard drive for Time Machine. I know you can store 2 different computer time machine backups onto the same drive, however I do not have an Airport Extreme or Time Capsule. My question then is, is there any way to have the MacBook Air backup to the time machine disk plugged in locally to the iMac via the Network or would I need to get a Airport Extreme or Time Capsule? I'd prefer not having to disconnect/reconnect the time machine disk every time I want it to back up each machine (kinda defeats the point of it doing things automatically). Is this possible? Thanks for letting me know!

Train448 wrote:
My question then is, is there any way to have the MacBook Air backup to the time machine disk plugged in locally to the iMac via the Network
Yup.
See #22 in Time Machine - Frequently Asked Questions. I'd strongly recommend that you partition the drive, as noted there.
The backups made over a network will be stored differently than the ones done locally; in a disk image sparse bundle.

TS1550 can time machine back up discs other than the start up disc

My question is, can Time Machine backup your entire system. By entire system I mean my startup disk and all my internal hard drives and the 3 or 4 external hard drives I have hooked up to my computer. I'm working a lot with videos, pictures and music which is very space intensive, so I need to back up all my information not just start up disk. Can Time Machine take care of that?

To answer you question directly, I don't think so.
To offer my $.02, don't rely on TM. It puts all your data into one big file. When it works, it's great, when it fails, even just a little, it's useless.
You may want to look at SuperDuper or CarbnCopyCloner. They cost a little bit, but you can make bootable backups, schedule backups, easily backup more than one HD, and the backups will be readable on any Mac. Your backups will be individual files, not just one large file that can only be read by TM.

Can time machine back up on a wireless network

I would like to find a way to back up my Mac other than on an external drive. Besdides Time Capsule, can Time Machine back up onto other wireless networks? Also, is there a preferred, Mac-friendly online backup available (that may or may not use Time Machine)? I was considering using Carbonite.

Time Machine can backup to any device that has Time Machine Extensions.. eg some NAS have this.. or another Mac. Maybe some routers with USB drives.. I have heard of Netgear Mac compatible models.. but never forget.. apple change things around with every OS release and these companies will always be playing catchup.
You may also find it not easy at all to setup Time Machine.. I use a Zyxel NAS single disk model that does support Time Machine.. it has been fine.. but the setup is far more complicated than any TC.
Very few other devices will have TM available .. but if you use a third party software, then they will generally backup to any shared partition or drive in the network.
Buy a second hand TC and modify the power supply.. put in a big hard disk.. you can simply plug it into the existing network.. you will find it hard to get anything cheaper that works as well.. and none that will be as easy to setup.
Fine if you give up on TM.. then whatever external drive the software uses.. no issues.. but TM is designed to only work on HFS+ partition.

Can Time Machine back up to 2 different discs? - i.e., make 2 back-ups?

Can Time Machine back up to 2 different discs? - i.e., make 2 back-ups?
The first back-up disc is a Time Capsule circa 2008 (refurbished in late 2010), the second is an external LaCie Rikiki 1TB circa 2013.
My Macbook Pro is an early 2008 17" (hard drive replaced in 2011).
I travel and am often away for long periods (~10 weeks). At home, I use the Time Capsule, but away I wish to use the LaCie Rikiki.
In the past I took chances and didn't back-up while away. I was lucky. When I returned

Have a look here > http://pondini.org/TM/34.html
From Pondini’s excellent Information Here...
Frequently Asked Questions

Can Time Machine back on one external hard drive (work files) to another external hard drive (back up)?

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