Moving across partitions failing?

Discussion in 'OS X Mountain Lion (10.8)' started by TiberiusXavier, Aug 7, 2012.

  1. macrumors member

    Joined:
    Apr 18, 2010
    Location:
    Chicago
    #1
    I upgraded my 2011 13" MBP from a 512GB to a 1TB HDD and created two partitions. This first partition is an image copy from the old HDD. The second partition is empty and formated for the Mac OS filesystem:
    /dev/disk0
    #: TYPE NAME SIZE IDENTIFIER
    0: GUID_partition_scheme *1.0 TB disk0
    1: EFI 209.7 MB disk0s1
    2: Apple_HFS Macintosh HD 499.6 GB disk0s2
    3: Apple_Boot Recovery HD 650.0 MB disk0s3
    4: Apple_HFS Macintosh HD 2nd 499.6 GB disk0s4

    I recently upgraded the OS from Lion to Mountain Lion without any problems. Now I am running out of space on my main partition and would like to move my music and pictures libraries off to the second (slower) partition. However, I notice that the /etc/fstab file now indicates that it is no longer used. So I am leaving the mountpoint at /Volumes/Macintosh\ HD\ 2nd for now. (So side question, how can I setup a different mountpoint under my home account to prevent other users of my laptop from claiming that space besides setting directory permissions on the mountpoint?)

    When I try to mv the files from my home directory to the mounted location, I receive an error message:
    $ mv Pictures /Volumes/Macintosh\ HD\ 2nd/
    mv: rename Pictures to /Volumes/Macintosh HD 2nd/Pictures: Permission denied

    I do have write access to that directory and was able to touch successfully.

    I could copy, delete and link, but I really want to understand why a move command is attempting a rename instead of copy/unlink when dealing with an operation across different volumes. I don't see any options in the man page. Why is mv failing?
     

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