Drobo DAS not mounting and Disk Utility won't Launch

Discussion in 'OS X El Capitan (10.11)' started by jadot, Feb 5, 2016.

  1. jadot macrumors 6502

    jadot

    Joined:
    Apr 6, 2010
    Location:
    UK
    #1
    It's there - the Drobo, I mean and the HDD that is passing through is mounting so the cable is fine (FW800 into TB adapter, into iMac).

    Did utility won't launch, just hangs, and there's no way to get this sucker in my finder.
     
  2. Alrescha macrumors 68020

    Joined:
    Jan 1, 2008
    #2
    I would begin by starting Console and looking for messages about the Drobo. I would also consider running fsck on the Drobo from Terminal.

    And I also advise patience: I have a 4x4GB Drobo, and I have had mount commands take minutes to complete.

    A.
     
  3. jadot thread starter macrumors 6502

    jadot

    Joined:
    Apr 6, 2010
    Location:
    UK
    #3
    Hi, Nothing showing in console - what's a Fsck check?
     
  4. Alrescha macrumors 68020

    Joined:
    Jan 1, 2008
    #4
    I am surprised that there is nothing in Console, as OS X would normally have tried to mount the filesystem, and this did not happen so I would expect an error message.

    "fsck" is just the filesystem checker that Disk Utility uses to test/fix the disks. You can actually use the command line version of Disk Utility, e.g.:

    sudo diskutil verifyVolume /dev/diskxxxx

    where diskxxxx is the device the Drobo appears as - you indicated in your first post that it was showing up.

    There are also 'diskutil repairVolume' and 'diskutil mount' commands.

    A.
     
  5. jadot thread starter macrumors 6502

    jadot

    Joined:
    Apr 6, 2010
    Location:
    UK
    #5
    Apologies - the Drobo is showing up in Drobo's own Dashboard, but nowhere in OSX. I know the name of the volume so I could try that as diskxxx?
     
  6. Alrescha macrumors 68020

    Joined:
    Jan 1, 2008
    #6
    No. If OS X is detecting the disk, then when you plug in the Drobo a new device will appear in the /dev directory as diskxxx. So, if you want to explore, disconnect the Drobo and in Terminal type:

    ls -1 /dev/disk*

    which will show you what is there now. Then plug in the Drobo (wait for it to power back up if it went to sleep) and then issue that command again. If the Drobo can be seen by OS X, there will be new entries - the disk numbers assigned to the Drobo. The mountable filesystem is probably on the 's2' device, e.g.: /dev/disk6s2.

    If no new devices show up when you plug in the Drobo, then OS X is not seeing it at all. No ideas about that.

    Good luck,

    A.
     
  7. NoBoMac macrumors 6502a

    Joined:
    Jul 1, 2014
  8. jadot thread starter macrumors 6502

    jadot

    Joined:
    Apr 6, 2010
    Location:
    UK
    #8
    Hmmm.

    It's found it:

    started file system verification on disk7s2 Orca

    Verifying file system

    File system check exit code is 8

    Error: -69845: File system verify or repair failed

    Underlying error: 8: POSIX reports: Exec format error

    office:~ heart$
     

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