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All mounted volumes erased installing Xcode 4 under Lion

415 Views 5 Replies Latest reply: Oct 23, 2011 6:05 PM by paulfromsantacruz RSS
paulfromsantacruz Calculating status...
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Oct 17, 2011 5:04 PM

I installed Lion, then installed Xcode 4. I did this TWICE (fool that I am). The first time I lost my entire system disk. The second time I lost my entire system disk, my Time Machine backup on a Time Capsule, and a hundred Gbytes of photos and other media on my ReadyNAS raid box. I had no clue that such a bug was even possible. Today I found the same issue that occurred with Snow Leopard, occurring from last March to last June:

All mounted volumes erased when system...: Apple Support Communities

 

Oh, My God! I had no clue I could endanger storage in other machines on my network just by installing an app on my iMac. This is my first time here, so I haven't yet discoverred how to report bugs, but PLEASE, don't let this go by. This has cost me 10 days of work and untold heartache. Thank heaven I didn't have more volumes mounted before the install.

iMac, Mac OS X (10.7.2), Installing latest Xcode 4.2
  • baltwo Level 9 Level 9 (59,150 points)

    If you want to report this issue to Apple's engineering, send a bug report or an enhancement request via its Bug Reporter system. To do this, register as an Apple Developer—it's free and available for all Mac users and gets you a look at some development software. Since you already have an Apple username/ID, use that. Once a member, go to Apple BugReporter and file your bug report or enhancement request. You'll get a response and a follow-up number; thus, starting a dialog with engineering.

    27" i7 iMac 10.6.8 , Mac OS X (10.7.2), G4 450 MP 1.5 GB RAM w/(10.5.8/10.4.11/9.2.2)
  • woodmeister50 Level 4 Level 4 (3,690 points)

    Try booting to Recovery HD and run Disk Utility and do

    a Repair Disk on the OSX partition.  Maybe there is just some

    directory corruption that Repair Disk might fix.  Also,

    do a Repair Permissions as well.

  • jsd2 Level 5 Level 5 (6,200 points)

    FWIW, this post was marked "Correct Answer" in this Snow Leopard thread:

    Install Xcode from the App Store = Deleted System

    -----------------------------------

    Apr 26, 2011 12:58 PM (in response to Frustrated Dylan)

     

    Been working with Apple and finally have a resolution that worked here anyway.

     

    They traced the problem down to my /Applications/Installers/ folder where a previous version of an early Xcode installer had migrated from an old G5 as I migrated all apps having recently purchased a new iMac.

     

    I deleted that and another G5 installer and Xcode installed flawlessly via the AP store.

     

    That said I wouldn't recommend attempting to install Xcode from the AP Store without first...

    - Verifying that you have a recent TimeMachine backup.

    - Logging off all networked drives and connected drives--even flash drives.

    --------------------------------------------

    Mac Mini, Mac OS X (10.6.8), dual-boot Lion OS X 10.7.2

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