battis.net and I'm all out of bubble gum…

A bit of background: my wife has an iTunes library that is too large to fit comfortably on her MacBook Air (in all fairness: I have an iTunes library that is too large to fit on her MacBook Air, my MacBook Pro and several other laptops as well). She maintains a local library on her laptop for use at school (useful movies, songs, etc.) and stores her “real” library on our home server. Which involves a bit of fiddling to get it to work. The key issue is that she needs iTunes to load her library off of a shared disk. And, periodically (maybe every couple of months), something goes haywire and she gets this error:

The iTunes library Library file is locked, on a locked disk, or you do not have write permission for this file.

Needless to say, this is exasperating.

There are a number of suggested solutions out there, and I keep forgetting to bookmark “the one” that works. On my last search, I realized that this was because none of them are really the answer that works in our situation. Here’s what works (and I’m posting this as a note for self):

  1. Disconnect the laptop from the server (quitting iTunes first, of course).
  2. On the server, unset the nouchg flag (not 100% that this is necessary 100% of the time, but it’s necessary at least some of the time):
    sudo chflags -R nouchg
  3. Reboot the server.
  4. Reconnect from the laptop and rejoice.

At least, that’s what worked this evening, and it felt really familiar. (There’s an unspoken step 2a, of course: cancel the multi-hour process on the server that you had queued up moments before iTunes started misbehaving. Argh.)

March 18th, 2014

Posted In: How To

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