External Drive as primary

I want to have my vast iPhoto library on an external drive not in the iMac's hard drive. Is this possible?
I'm thinking iphoto won't open out of the ext HD... will it? I'm just setting up my new iMac figuring out the transfer from my old G5 iMac...
Thanks... Cal

Yes it is possible.
Make sure the drive is formatted Mac OS Extended (Journaled).
1. Quit iPhoto
2. Copy the iPhoto Library from your Pictures Folder to the External Disk.
3. Hold down the option (or alt) key while launching iPhoto. From the resulting menu select 'Choose Library' and navigate to the new location. From that point on this will be the default location of your library.
4. Test the library and when you're sure all is well, trash the one on your internal HD to free up space.
Regards
TD

Similar Messages

Hey, can i clone my Macbook Pro internal hard drive and then paste it all onto a formated external hard drive, then make the Mac use the external as the primary hard drive?

hey, can i clone my Macbook Pro internal hard drive and then paste it all onto a formated external hard drive, then make the Mac use the external as the primary hard drive? please help for i only have around 618mb left out of 189GB!!!!!!!!!!!!!!!!

If what doesn't work?
If cloning your internal drive to the external drive is not successful, I expect CCC will tell you so. Assuming that doesn't happen, you will have a bootable replica of the internal drive on the external drive once CCC has finished.
You can then do any of several things:
1. Replace your internal drive with a much larger one (320GB or 500GB, or even larger), and clone the external drive's contents onto the new drive so you'll have all your data in one place. Note that if you do this, you'll also need to buy an external drive that's large enough to back the new internal drive up on.
2. Boot from the external drive as a temporary measure while you clear at least 30-40GB of data off the internal drive, allowing you to keep using it and saving small amounts of data to it. The external drive will then contain the only copies of the files you've deleted from the internal drive, so you'll need a seond external drive large enough to back both the other drives up on.
If you can't comfortably clear a minimum of 30GB off the internal drive, you really need a larger internal drive right now, and you shouldn't bother fooling around with the inadequate one you have — you'll just quickly overfill it again.
3. Replace the optical drive in your MBP with a large conventional hard drive, giving you two hard drives inside the machine. You will then need one or more external drives large enough to back up both of the internal drives.
If you sense a theme here — back up, back up, back up — you are correct. It's flat-out foolhardy to own or use a computer without maintaining complete, up-to-date backups of everything at all times.

External hard drive as primary media drive?

Hi,
Since I'm running on a low spec laptop with a 5400 RPM drive 750G HDD (partition to 150G system drive and 600G media drive) , I'm thinking to add an external hard drive shortly even though I still have plenty of empty space on both drive, but just for the future as the footage eats space quite quick.
The option on my mind is to build a 2TB external hard drive with a 7200RPM speed disk such as WD Caviar Enterprise 3.5 inch RE4 2TB 7200RPM 64MB SATA II or a Seagate Barracuda 2TB Hard Drive ST2000DM001 + enclosure with USB3.0 interface.
Once built will this 7200RPM external drive be a better primary media drive than my internal 5400RPM one? I mean storing all my media files for the PP or AE workflow? or the USB3.0 transfer rate is still not as good as an internal drive where it could impact on the overall performance?
And is there any settings that I need to pay particular attention to?
Thanks in advance.

>partition to 150G system drive and 600G media drive
As well as 5400 rpm drive being a limiting factor, there has been a report of partition crashes
http://forums.adobe.com/thread/957286
So, yes, a fast external is very likely going to be better for video files

Is it possible to connect an external drive to the time capsule that I could use to store and access my primary iTunes files?

I would like to move my music files to an external drive that my iMac iTunes could access wirelessly and I'm wondering if it is possible to do so through connecting a drive to my Time Capsule.

This can be done....but if you move your iTunes Media folder to the drive that is connected to the Time Capsule, you might first want to think about how you will backup these important files.
Time Machine cannot backup the files back to the Time Capsule, so you will need to use a commercial backup application like Carbon Copy Cloner or SuperDuper to copy the files back to the Time Capsule drive.
As long as you plan to add a hard drive, you might want to consider an alternate plan:
Connect a hard drive directly to your Mac using USB or FireWire and move the iTunes Media Library there. Then, Time Machine will back up both your Mac and the hard drive, so you have original copies on one drive and backups on another.
Whatever you decide, be sure to follow the correct instructions to move the iTunes Media Folder. You cannot simply drag and drop.
http://support.apple.com/kb/HT1449

Itunes: Can I use multiple folder locations if my primary location is an external drive?

I recently moved all my music to an external drive. Now I want to have some music back in my Itunes folder so that I can listen to my music when I'm not near my external drive. Is there a simple solution?

iTunes will only point to ONE location for a library folder per User account. You'd need to create a new user account that uses the local HD folder and log in with that account to eb able to "switch" library locations, but that's a hassle too.
Unfortunately, creating two library files and swapping them out usually results in a "broken library file" error and you can't play anything without re-importing everything.

[Guide] Install and run Windows 7/8 from an external drive without using bootcamp (works for late 2012 iMacs with 3TB drive)

This is a copy of a post from my blog, you can also Read it on my blog...
Introduction
After I received my new iMac with a 3 TB Fusion Drive, I was disappointed when I realized that Bootcamp was not running on this model and prevented me from installing Windows on it. I wanted to take advantage of the powerful iMac hardware to play games but I couldn't.
There are a few ways of working around this limitation, but I found most of them quite complex and most of the time they required formatting the internal hard drive or repartitioning it and go for a brand new installation of Mac OS X. I was not comfortable with that.
But there is another way, and that is to install Windows on an external hard drive, using either USB or Thunderbolt. Personally I used a Lacie Rugged 1 TB drive that has both USB3 and Thunderbolt connectors. Both work very well.
This guide may interest you if:
You have an internal hard drive of more than 2TB and you can't run bootcamp at all (like late 2012 iMacs with a 3TB drive)
You have limited space or you don't want to dedicate disk space on your internal hard disk drive to a Windows installation
What this guide will make you do:
It will make you erase all your data from your external USB3/Thunderbolt hard drive
It will make you install Windows on your external USB3/Thunderbolt hard drive
It will make you install bootcamp drivers
What this will not make you do:
It will not make you modify anything on your internal Mac hard drive
It will not make you use or install the bootcamp assistant
It will not activate the Preference Pane for the default boot drive. You have to boot by pressing the ALT key to manually select your boot drive each tome you want to boot Windows.
What you'll need
An external hard drive with a USB3 and/or Thunderbolt connector. This drive will be formatted so ensure you saved your files before going further. You can use either an SSD drive or a classic hard drive.
A Windows 7 or 8 install DVD or ISO (check whether to install 32 or 64 bits versions based on your Bootcamp drivers) and the corresponding Windows serial number.
One of the following:
Mac OS X with a Windows 7 or 8 Virtual Machine (use VMWare Fusion or Parallels Desktop for example. Note: VMWare Fusion seems to have some issues with Thunderbolt and USB3. Plug your drive to a USB2 enclosure or hub to work around this -it worked for me-, or use another VM software) → Read the important note below
A PC running Windows 7 or 8 → Read the important note below
Windows AIK (free) running on your Virtual Machine or on your PC, or just the imagex.exe file (the rest of the Windows AIK package is not needed)
Download imagex.exe
Download Windows AIK (this download and installation is not required if you have already downloaded imagex.exe)
Bootcamp drivers for your Mac. You can get these either by running bootcamp from your Mac (Applications > Utilities > Bootcamp) or, if like me you have a 3TB drive and can't run bootcamp at all, use the direct download links here.
A USB stick to store your bootcamp drivers
IMPORTANT: If your Mac has a 64 bits processor, your Windows Virtual Machine on OSX, your Windows installation on your PC and your Windows DVD/ISO must also be in 64 bits!
Step by Step guide
Step 1: Get the install.wim file
If you have a Windows ISO file:
Mount the ISO
If you're on OS X: double click on the ISO file
If you're on on Windows 7: Use a software like Virtual Clone Drive (free)
If you're on Windows 8: double click on the ISO file
Open the mounted drive, then go to the "sources" folder and locate the "install.wim" file. Save this file to C:\wim\ on your Windows installation or virtual machine.
If you have a Windows DVD: open the "sources" folder on the DVD and locate the "install.wim" file. Save this file to C:\wim\ on your Windows installation or virtual machine.
IMPORTANT: If instead of a "install.wim" file, you have "install.esd", you can not continue this step by step guide. And an ESD file can not be converted into a WIM file. So you must get a version of the Windows installation DVD/ISO that has an install.wim file.
Step 2: Clean, partition and format your external hard drive
On your Windows installation or virtual machine, plug in your external hard drive (can be plugged using USB2, USB3 or Thunderbolt at this stage)
Open the command prompt in administrator mode (cmd.exe). To run it in administrator mode, right click on cmd.exe > Run as admin.
Type the following and hit enter to open the disk partitioner utility:
diskpartType the following and hit enter to list your drives:
list disk
This will display a list of disks mounted on your computer or virtual machine. Make sure your drive is listed here before you continue.Identify the disk ID of your external hard drive. Replace # by your real external disk ID in the command below:
select disk #Clean all partitions by typing the following (warning: this will erase all data from your external drive!):
clean
Create the boot parition by typing the following followed by the enter key:
create partition primary size=350
This will create a 350MB partition on your external driveFormat the partition in FAT32 by typing the following:
format fs=fat32 quick
Set this partition to active by typing:
active
Assign a letter to mount this partition. We will use letter B in our example. If B is already used on your PC, replace B by any other available letter:
assign letter=b
Windows will detect a new drive and probably display a pop-up. Ignore that.Create the Windows installation partition using all the remaining space available on the external drive by typing the following:
create partition primary
Format the new partition in NTFS:
format fs=ntfs quick
Assign a letter to mount this partition. We will use letter O in our example. If O is already used on your PC, replace O by any other available letter:
assign letter=o
Windows will detect a new drive and probably display a pop-up. Ignore that.Exit the disk partitioner utility by typing:
exit
Step 3: Deploy the Windows installation image
Still using the command prompt in admin mode (you didn't close it, did you? ), locate the imagex.exe file mentioned in the "What you'll need" section and access its folder. In our example, we have put this file in C:\imagex\imagex.exe
Type the following and hit enter (remember to replace o: with the letter you have chosen in the previous step):
imagex.exe /apply C:\wim\install.wim 1 o:
This will take some time. The Windows installation image is being deployed to your external driveOnce done, type the following to create the boot section (remember to replace o: and b: with the letters you've chosen in the previous step):
o:\windows\system32\bcdboot o:\windows /f ALL /s b:
If you get an error message saying that you can't run this program on your PC, then most probably you are running on a 32 bits installation of windows and you're trying to deploy a 64 bits install. This means you did not read the important notes in the beginning of this guide
If you get an error message on the options that can be used with the BCDBOOT command, then it's because you're installing Windows 7, and the /f option is not supported. If that is the case, remove /f ALL from the command and retry.
Step 4: Boot from your external drive and install Windows
Plug in your external drive:
If you've done all the previous steps from a Windows PC, unplug your external drive from your PC and plug it to your Mac, either on a USB3 or a Thunderbolt port.
If you've done all the previous steps from your Mac using a Virtual Machine, ensure the external drive is plugged in to a USB3 or Thunderbolt port. Using USB2 should also work but you'll get very poor performance so I don't recommend doing that.
Reboot your Mac and once the bootup sound is over, immediately press the ALT (option) key and release it only when the boot drives selection screen appears. If you did not get the boot drives selection screen, reboot and try again. The timing to press the ALT (option) key is quite short. It must not be too early or too late.
On the boot selection screen, choose "Windows" using the arrow keys on your keyboard, then press enter.
The Windows installation starts. Follow the on-screen instructions as normal. The installation program will restart your computer one or 2 times. Don't forget to press ALT (option) right after the bootup sound, and boot on Windows again each time to continue the installation.
Step 5: Install bootcamp drivers
Once the Windows installation is complete, plug in the USB stick where you stored the bootcamp drivers (see "what you'll need" section), open it and right click on "setup.exe" and select "Run as admin". Follow the on-screen instructions.If you have an error saying that you can't run this program on this PC, obviously you have installed a 32 bits version of Windows and the bootcamp drivers for your Mac are made for a 64 bits version. You have to restart the whole guide and make sure to get a 64 bits version of Windows this time!
Once the bootcamp drivers are all installed, reboot and press ALT (option) after the bootup sound to boot on Windows again. And Voilà, you have Windows installed on your USB3/Thunderbolt drive running on your Mac.
Now each time you want to boot on Windows, press and hold the ALT (option) key after the startup sound and select "Windows", then press Enter.

Hi i'm trying to follow your guide, I installed windows 8 on bootcamp to do it planning to remove it after the operation is done, but i get stuck at part 3: every command i give to imagex i get a pop-up ftom windws asking how do I want to open this kind of file install.wim and imagex does nothing, what do i have to do to stop those pop-ups?

How Do I use my External Drive for my iTunes Library without adding anything to my Mac's HD?

I have a new MBP and have transferred all of my music off my old pc (250+ gigs) to a Lacie 1TB thunderbolt external drive. How do I use the external as my primary itunes library with out using any of my Mac's HD? I'm new to mac so I have a few more questions...
1. The initial question above
2. will this work or will there be extra steps every time I disconnect and connect the external (other than ejecting)?
3. Will I be able to access it remotely / home sharing?
4. Would this work with itunes match?
Thanks All !!!

DevonC wrote:
I haven't set up Time Machine yet because it wants me to completely format my external hard drive, and it seems to want to use it for TM backups exclusively?
However, I would also like to use it to store stuff that I don't want to keep on my computer, eg tons of photos, videos, stuff from my sister's computer, etc.
Is there a way to do Time Machine but also use the external hard drive for storage? I don't mind temporarily copying the photos etc that are on there to my computer while I format, so that's not the issue. I just don't want my EHD rendered completely useless to everything else.
Thanks!!!
There are several ways to do exactly this.
If you partition the external drive, you can use one partition for TM and the other for anything else.
Even if you do not partition the drive, you can safely store other data in folders on the drive. Just to not use the folder that TM creates for anything. And it's best not to put files directly on the drive, in my opinion, but use folders for storage.
Just remember that whatever you put on the drive takes up room from TM and when the drive gets nearly full, TM will start automatically deleting older files from it's own folder.
I have my Tiger clone on my external TM drive in a separate partition and everything works fine.

Can I use Time Machine to backup ONLY an external drive?

I am having problems with the internal HD on my iMac and Disk Utility is telling me I need to reformat the drive and restore from backup. Only problem is that my 3TB Lacie Thunderbolt drive I was using for Time Machine recently failed (think it may have happened during an electrical storm brownout). Yep, I know, ***** to be me
The issues with the internal HD are preventing the iMac from booting and I would prefer not to have to purchase various repair software to find one that really works such as Disk Warrior or similar ((despite it getting very good reviews). I suspect it make be HFS corruption but no way to really tell that I am aware of.
I have setup an external drive with Yosemite and booted from that so now my old internal drive is seen as an "external drive".
I am using Disk Utility to make an image copy to a new 3TB external drive I purchased. Writing the DMG is going to take some time.
What I would like to do is to set up Time Machine to backup to a separate external 3TB hard drive (the second one I purchased) and have TM create a backup of ONLY the old internal drive - not the new system as well as the old internal unit.
Is this possible and if so can anyone advise how to do this. Does not seem I can exclude the system drive I am now booted from so that it is not backed up. (This makes sense that TM would be designed this way given its primary purpose is to backup a system).
If TM cannot be configured in this way, is there another option I can use?
Thanks
Andrew

Thanks for that advice. I have heard of it but a friend who does IT support at a University nearby suggested using Disk Utility to save an image - hence this is currently underway at present. Once this is finished I will try Carbon Copy Cloner.
I have another friend who has an older version of CCC - do you know if an old version will work ok or if only the latest supports Yosemite?
Also once I have the clone completed from CCC, is the process then to reformat the old internal drive and then clone from the CCC external drive back to the internal and then reboot and trust all is well?
Appreciate your help Csound1.
Regards
Andrew

Time Machine won't back up external drive to Time Capsule

I recently got a Time Capsule, and successfully set it up to back up my iMac's primary drive, but for some reason Time Machine won't back up my external drive to the Time Capsule.
I removed the external drive from the exclusion list in System Preferences > Time Machine > Options, and from what I've read this should be sufficient to make Time Machine back up the drive.
The external drive is connected to my iMac via Thunderbolt > Thunderbolt-to-Firewire adaptor > Firewire 800 input, and the Time Capsule is connected via Ethernet to my LAN.
Since I'm using Ethernet, I've disabled Wi-Fi on the Time Capusule by going to AirPort Utility > My Time Capsule > Edit > Wireless > Network Mode > Off.
The reason I believe the external drive is not being backed up is because when I click the Time Machine icon in the upper-right status bar and choose "Enter Time Machine", none of the folders on external drive show any older versions.
Furthermore, when I click Finder > Time Machine Backups > Backups.backupdb, I can see only one sub-folder which has the name of my iMac's primary drive. I can't see any equivalent folder for my external drive.
Any idea what I'm doing wrong?

I don't see anything you have done wrong.. perhaps it does backup in a different way.
Load the widget.. A1 here... http://pondini.org/TM/Troubleshooting.html
That will allow you to track the log of TM to see what it is doing.
I would also try rebooting the computer.. exclude the drive again.. reboot.. and remove the exclusion.
You should be able to check the actual settings of TM in plist file.
And you can do a full reset of TM as well.. See A4. Check what is in the file. Pondini lists the location for you.
Nothing surprises me with Mountain Lion ...!!

My computer recently crashed. I had everything on an externa drive. I'm trying to reload my music into itunes from my external drive. I do not have an itunes library document for some reason. How do I get my library back onto itunes?

I'm trying to figure out how to access my music library from my external drive. I do not have a media library document and believe that I would have to create one based on the music that is on my external drive. Can someone help?

If you're running Windows 8.1, this seems to be a common theme, or some variation there of at least. Myself, I can't even back-up on my iPhone 4S which has iOS 7.1.2 and I'm running iTunes 11.3.0.54 and have resorted to purchased the iTunes Match service to ensure that music on my primary desktop PC (which is paired to my iPhone) will be available on both the iPhone and my Windows 8.1 laptop. Regarding backing up of the iPhone, I'm thinking about going to a third party solution until either Apple and/or Microsoft can figure out why Windows 8.1 is having so many problems with the current version of iTunes (as of this writing 11.3.0.54).

How do I transfer my apps from an external drive to my new iMac?

I just purchased a new iMac and am currently in the process of getting everything set up. My previous Mac was a powerbook, so there are many changes that I will be getting used to in the near future.
My primary concern at the moment is getting my apps into my new iMac iTunes library. I have all my music, apps, podcasts, etc. saved on an external drive which I plugged into my new iMac. To import the music into iTunes. I selected File > Add to Library > then selected the external drive with my iTunes folder & imported the enitre folder (which was 163.57 GB). Everything, including my music, movies, podcasts, books, & TV shows transfered over just fine with the exception of my apps. After researching the issue, I discovered the iTunes was saving all the apps on my powerbook instead of the external drive in a folder titled Mobile Applications. I then transfered the folder from my powerbook to the external drive and followed the steps above to try and import my apps into my new iMac library. But have had no luck. Each app comes up with the following message when I try to add it to the iMac library:
The app "[adult swim]" could not be added to your library because an error occured. An unknown error occurred (-50).
This is as far as I have been able to get. I am ensured that my new iMac Itunes account is authorized for that computer & have synced my iPhone once, which updated iCal, but no apps.
Any guidance you can provide would be greatly appreciated. I tried to use the Mac Migrate program but did not seem to have any luck. It took almost 12 hours to run over wifi and hung up at the very end. Also, I do not see any evidance of any files being added.
Thanks.
Jeff / Texas

Migration didn't work for me on the music side of things either. What did work however was transferring the entire iTunes folder over to my new computer. Everything switched then, and it was just like iTunes on my old mac. Maybe if you can find the library files in there or something and transfer them over.

I have a MacBook Pro 17 inch and I just destroyed the screen. Can anyone tell me the keystrokes to turn on the external display as primary?

I have a 17-inch MacBook Pro with a destroyed screen. (My son put it on the top of his car and drove off and it fell off.) Can anyone tell me the keystrokes to make an external monitor the primary monitor? I can see only the upper left side of the laptop screen so I CAN select system preferences. I can then arrow over to system preferences and down to make selections I cannot see. I don't know then what to do or IF I can make the choices needed to make the external monitor primary when all I can do is make keystrokes on items I cannot see. It's an older (about 2008) MacBook Pro and I would like to use the external monitor to see to connect an external hard drive and download files to install on a new MacBook. My son might know the iOS but I don't.

• I don't know then what to do or IF I can make the choices needed to make the external monitor primary
This is the left side of System Preferences in OS 10.8.3. (if that is not what the MBP is running post back). By the way, if you can grab the top of that pane you could move it over to the top far left. - Same for any pane.
Do this with the external monitor connected and powered on.
You need to click on Displays., and then grope for Arrangement and click there.
When you get there, the two screens are shown.
The trick is to grab the white stripe (on the left in this image) and move it to the other rectangle. You do not have to position it exactly, it snaps into place when it gets close.

How best to move user folder to a Mac Mini + external drive

I am streamlining my desktop computer setup. Whereas before I was using a PowerMac G5 as my primary desktop computer, I realize I am using my MacBook Pro more often, so in the interests of conserving space, I will be switching over to a Mac Mini connected to my AV system for hosting all my iTunes music, videos, media, photos, etc.
Here is where I need advice. My PowerMac has a lot more media on it than can fit on the internal hard drive of a Mac Mini. I have already secured a 1 TB external drive which will be permanently connected to the Mac Mini, but I am unsure as to how to best go about copying my data to it.
My initial thought was that I could move the iTunes music folder to the external drive using the library consolidation feature, and I could copy my iPhoto library to it, then point the respective applications to the new location. However, I want the external to act as my home folder where the OS looks for all my personal data, including movies, documents, etc.
I know there is a procedure for changing your home folder's location to an external drive, but because of the limited size of the Mac Mini's internal HD, I would like to use migration assistant when I first start using the Mac Mini. Should I hold off on moving the home folder until after I have migrated, or can it be done beforehand?
Anyone have any thoughts or ideas? Thanks!

Thanks for the procedure. It seems very easy, but I am wondering about the consequences depending on when I do it. For example, let's say I first copy my entire home folder to the 1 TB external drive, set up the PowerMac to use it as my home folder, then use migration assistant to import my user accounts, applications, and settings onto the Mac Mini. Will it try to extract the data from the external drive onto the Mac Mini's internal drive? There won't be enough room for everything.
As an alternative, I can move my iTunes library and iPhoto library onto the 1 TB external first, keeping the rest of my user data in its original location. Then it can fit on the Mac Mini, and I can do the migration, then move the home folder to the 1TB external once it's all up and running on the new computer.
Which will work best?
I had heard about people using a single drive as their home folder across multiple computers, but that is not the case for me. My MacBook Pro will become my primary computer, but I intend to keep it clear of media, whereas the MacMini will become my media server for my AV system in my living room. The 1 TB will be constantly connected to the Mac Mini, so there shouldnt be a problem with starting it up once the user folder location has been moved.

Using External Drive with Itunes

I have a very large Music and Video collection on a MY BOOK 1TB drive (810GB file size) I want to use it as my primary I tunes Music library. I have followed the instructions on Itunes support and created a new file on the drive and redirected I tunes to that file but the content does not show up in I tunes on my macbook and the only way I seem to be able to get the them to show up is actually open the file and listen to each song the problem is there are 300,000 + songs any ideas???

When you moved your music did you move the whole iTunes folder or just the iTunes Music folder? If you moved the whole folder including the library files hold down the Option key on your keyboard when opening iTunes. In the resulting dialogue you will get the option to create a new library or navigate to an existing one. Navigate to the external drive where you placed the copy of the library file and open it up: How to open an alternate iTunes Library file
You might also find this article useful: iLounge - Managing your iTunes Library on an External Hard Drive

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.

External Drive as primary

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