HT1751 Why can't iTunes handle a music library on an external drive?

I put all my music files on an external drive and imported them into iTunes. So far so good. The first time you run iTunes while the drive is disconnected - all your songs suddenly have that dreaded exclamation point next to them. Yes, while the drive is connected, I can still go to any song and double-click it to play; but the vast majority of songs stays "exclamated" and greyed-out. Shuffle ignores them. Even if I use some method to re-recognize all my songs, next time I open iTunes without first attaching the drive, it'll all go down the drain again.
Apple - this MacBook air is great but it only comes with 256 GB of built-in storage. I HAVE to use an external drive in order to have my music library. Why can't the MacBook recognize the drive, remember it, and know when it's connected and when it isn't?

If you mistakenly open iTunes with the drive disconnected, close iTunes, connect the drive, open iTunes, then visit iTunes > Preferences > Advanced and reset the media folder to the external drive.
Better yet is to move the iTunes library folder into the root of the external drive as <Device>/iTunes, then connect to it by holding down option as you start iTunes. Once iTunes "knows" your library is on the external drive it will complain of a missing library when you try to start with the drive disconnected. Cancel the warning, connect the drive, start iTunes.
For maximum portability you should set the media folder to <Device>/iTunes/iTunes Media and consolidate the media to that folder. You should then backup the drive to another for security.
tt2

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jimmyfox wrote:
I've tried pointing it to a couple of different folders in preferences > change location.
That only tells iTunes where to put new items in the future.
Turingtest2 who posts in these forums, has written a few scripts for Windows.
Check out FindTracks scripts here
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HT2470 Why won't Itunes store my music library in my User/Music Folder, if I select my user name as a storage location in Itunes, Itunes creates folders for artist name right in my user folder, instead of in my user/music folder

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Why can't iTunes handle a library on an external drive?

I put all my music files on an external drive and imported them into iTunes. So far so good. The first time I ran iTunes while the drive was disconnected - all my songs suddenly got that dreaded exclamation point next to them. Yes, while the drive is connected, I can still go to any song and double-click it to play; but the vast majority of songs stays "exclamated" and greyed-out. Shuffle ignores them. Even if I use some method to re-recognize all my songs, next time I open iTunes without first attaching the drive, it'll all go down the drain again.
Apple - this MacBook air is great but it only comes with 256 GB of built-in storage. I HAVE to use an external drive in order to have my music library. Why can't the MacBook recognize the drive, remember it, and know when it's connected and when it isn't?

You're welcome.
Yaniv Eidelstein1 wrote:
I still think Apple should improve iTunes, by making it a bit smarter, and aware of connected drives without needing to relaunch.
I agree and have made that suggestion to Apple in the past. You may submit your polite feedback using this page: <http://www.apple.com/feedback/itunesapp.html>.

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iTunes was installed on Computer Alpha. Library was kept in external hard drive (External). The library on External was not a backup; it was the primary, one and only library used by iTunes on Alpha. All music purchased from iTunes Store downloaded directly into the library on External. Hard drive on Alpha was too small to contain the library.
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Chris CA wrote:
You mean the *iTunes media folder* was kept on the external.
Yes, I believe you are correct, and that I used the wrong terminology. By "library," I was referring only to the directory on External where the actual .mp4 music files are stored.
The iTunes library consists of the iTunes folder (default in \Music\iTunes\
and all contents as well as everything in iTunes.
So, in my case above, it seems you are saying that "library" ought to refer to the following:
1. The c\my music\iTunes directory and all its component files on the Alpha hard drive, AND
2. the iTunesmusicfiles directory on External
Is that correct?
If yes, then I am left scratching my head about something:
Before Alpha died, I went to Edit/Preferences/Advanced and, in the window where iTunes asks me to specify the location of my iTunes LIBRARY, I specified External\iTunesmusicfiles.
And it worked. Thus, I am left with the impression that "library" is a term referring only to the directory where the actual .mp4 files are stored. (Thus, iTunes itself provided a very good reason for me to think of the "library" in this limited, incorrect, way).
If I understand you correctly, the reason why that maneuver worked is because of the presence of the library.itl file that was located in Alpha\c\my music\iTunes, and because the .itl file was populated with some kind of data specific to the contents of External\iTunesmusicfiles, and because the contents of the .itl file pre-dated the transfer of the iTunesmusicfiles directory to External. And that every time a subsequent change occurred in External\iTunesmusicfiles such as the addition of a new music file via iTunes purchase/download, a concomitant change occurred in the .itl file on Alpha, thereby keeping the iTunes player on Alpha synced up with the warehouse of music over there on External.
Do I have it right so far?
Now, with Bravo, I am trying to establish the same setup I had on Alpha. And because Alpha is dead, I need to attempt this using a fresh installation of iTunes on Bravo. And a fresh installation of iTunes on Bravo means a virgin .itl file on Bravo.
Again, if I understand you correctly, you're saying that if iTunes on Bravo is going to work just like iTunes on Alpha did, then the .itl file on Bravo must contain the same data that the .itl file on Alpha did.
To accomplish this, I have two options:
1. Obtain a copy of the .itl file from Alpha and transfer it to the same directory location on Bravo
2. Build the .itl file on Bravo manually.
Again, am I getting this right?
If so, I don't think No. 1 above is an option. I'm left with No. 2.
If I have to click individually on all the files in External\iTunesMusicFiles, I guess I can deal with that. Not a huge problem. But what I want to prevent is transferring the .mp4 files to the Bravo hard drive. I want only one copy of each .mp4, and I want each of those .mp4s to reside on External, not on Bravo.
Doable?
Thanks to all who have taken time to respond to my issue. I do appreciate it.
Message was edited by: 2muchcoffeeman

If I move my music library to an external drive, am I going to loose my playlists

Hi,
I need to move my Music Library to an external hard drive. Am I going to loose my playlists?

This User Tip by Terence Devlin describes options how to back up iPhoto libraries,
iPhoto and File Management
The simplest way is to copy the library to an external drive.
And sure, after testing the copy, you can delete selected events from your original library, then would your backup be no longer the backup, but your only copy of the deleted events. In that case you should use two backups, and preferably on different drives.
Also, do you know what to do, if I want to keep backing up newer, more recent photos I take into the same older library?
iPhoto does not support the merging of libraries. You would have to export the photos from th events and import them into your archive library. Or buy iPhoto Library Manager, that supports merging of Libraries.
Another way to keep your backup in sync with the original would be using clones of your disk as backup or TimeMachine.

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Why can't iTunes find the music from an external hard drive?

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angelafromlanchester wrote:
I moved my music to an external hard drive to free up space on my old laptop. Since I moved to a new laptop, iTunes never seems to find the music.
Has the new laptop given the external drive a different drive letter?
The "missing file" error happens if the file is no longer where iTunes expects to find it. Possible causes are that you or some third party tool has moved, renamed or deleted the file, one of its parent folders, or the drive it lives on has had a change of drive letter. It is also possible that iTunes has changed from expecting the files to be in the pre-iTunes 9 layout to post-iTunes 9 layout, or vice-versa, and so is looking in slightly the wrong place.
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In some cases iTunes may be able to repair itself if you go through the same steps with Get Info but this time click Locate and browse to the lost track. It may then offer to attempt to automatically fix other broken links.
If another application like Windows Media Player has moved/renamed the files then the chances are that subtle differences in naming strategies will make it hard to restore the media to the precise path that iTunes is expecting. In such cases, as long as the missing files can be found somewhere, you should be able to use my FindTracks script to reconnect them to iTunes. See this post for an explanation of how it works.
tt2

How can I move my local iTunes music library on an external drive ?

I have imported some of my personnal music CD's on the local drive of my Macbook. But now, how can I move those on an external drive ?

Just those few things or your whole library? Very different processes depening upon details you have not yet provided.

HT1751 Why can't iTunes handle a music library on an external drive?

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