Alan Musgrave

Q: "Disk Not Ejected Properly" error after El Capitan

It's back ... Had the same problem for a few months after installing Yosemite ... but it eventually went away.

 

Now getting this error after installing El Capitan last week. Problem surfaces after my iMac sleeps.

 

Using a Lacie 2TB external on USB3 for Time Machine.

 

If anyone has ideas, similar problem or a fix, please help ... thks.

iMac, OS X El Capitan (10.11)

Posted on Oct 6, 2015 12:24 PM

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Q: "Disk Not Ejected Properly" error after El Capitan

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  • by lcnz,

    lcnz lcnz Mar 30, 2016 10:21 AM in response to Alan Musgrave
    Level 1 (4 points)
    Mar 30, 2016 10:21 AM in response to Alan Musgrave

    I had the same problem on my MacBook Pro 13" Retina 2015 and Transcend JetDrive and apparently i fixed it using this script on github:

     

    https://github.com/syscl/Fix-usb-sleep

     

    it is two days that i am using it and no more error messages about disk not ejected properly.

  • by Alan Musgrave,

    Alan Musgrave Alan Musgrave Apr 3, 2016 10:36 AM in response to lcnz
    Level 1 (14 points)
    Apr 3, 2016 10:36 AM in response to lcnz

    I've been on the 10.11.4 update for a few days and I am still getting the error message if I let my iMac sleep overnight and leave the hard drive on. When I check the next day, there's an error message waiting.  The external drive sleeps, mounts and dismounts normally but there's something when it sleeps or awakens at some point that triggers the error message. It's usually one error message per day, so if I leave the disk mounted and allow the iMac to sleep for 2 days, I'll get 2 error messages, and so on. 

     

    About ready to give up and just unmount and power off the hard drive when I'm leaving my iMac as that seems to avoid the problem. 

     

    Has anyone else noticed any changes with El Capitan update 10.11.4

  • by JNewHome,

    JNewHome JNewHome Apr 3, 2016 9:41 PM in response to Alan Musgrave
    Level 1 (9 points)
    Apr 3, 2016 9:41 PM in response to Alan Musgrave

    Same here. There seem to be some changes as I am niw able to remount my Thunderbolt drive  by disconnecting and connecting it whithout a reboot, but that is not what one whould expect of the "best OS X ever".

     

    I have given up on this. If anyone ever finds a solution please post it.

  • by Jim Show,

    Jim Show Jim Show Apr 9, 2016 8:33 AM in response to Alan Musgrave
    Level 1 (34 points)
    Mac OS X
    Apr 9, 2016 8:33 AM in response to Alan Musgrave

    Add me to the list of people with the "Did Not Eject Properly" problem.

     

    All Hardware is BRAND NEW out of the box 4 weeks ago:

     

    iMac 27" Retina 5k (Late 2015)

    El Capitan 10.11.4

     

    External drives:

     

    1. LaCie 2Big 6T Thunderbolt2 RAID 0

    (External Power, Thunderbolt directly into the iMac)

     

    2. GTechnology G-Drive 6T USB 3.0

    3. GTechnology G-Drive 4T USB 3.0

    (Both on external power, both connected to a USB 3.0 hub, connected to the iMac)

     

    From day one, the LaCie 6T RAID has ejected itself ALMOST every time I wake the iMac up from sleep. Never when it was in use. But when I put the iMac to sleep, and wake it up the next morning, the LaCie 6T RAID is gone from the desktop and I get the error message. If I unplug the Thunderbolt cable from the back of the iMac and plug it back in, the LaCie shows up on the desktop and everything is fine.

     

    The GTechnology G-Drives connected with USB 3.0 have never ejected themselves... Always work perfectly.

     

    I tried getting rid of the thunderbolt cable from the LaCie and connecting it with the optional USB 3.0 cable and continued to receive the error message and ejections.

     

    I called LaCie and spoke to two techs. One suggested it was a drive problem and I was going to initiate a return of the LaCie 2Big but then speaking with a second tech, she suggested trying the drive on a different Mac. All I had was an old MacBook Pro running Snow Leopard... I plugged the LaCie into the MacBook via USB 3 and everything worked perfectly. Repeatedly sleeping and waking the laptop re-mounted the drive every time. So it's not the Drive. It's ElCapitan. The tech mentioned something about "Apple changed how thunderbolt ports work starting with Yosemite... that they were shut off or shut down on sleep and they cut off the external drives." She said that they started getting lots of reports of this happening around that time.

     

    ALSO: I tried the Mountain app to try to ease the hassle of plugging and unplugging cables every time I wake from sleep. When I use Mountain to UNmount the thunderbolt drive before sleep, then sleep the iMac, Mountain is supposed to REmount the Lacie thunderbolt drive on waking... but the drive just disappears. Even Mountain can't find it on waking. At least I'm not getting the error message, but I still need to physically unplug the thunderbolt cable and replug the cable for the drive to be seen and remount... every time I sleep my mac.

     

    HEY APPLE: I've been a dedicated customer for 22 years. THIS IS UNBELIEVABLY ANNOYING.

  • by Ravenholm,

    Ravenholm Ravenholm Apr 13, 2016 7:45 AM in response to Alan Musgrave
    Level 1 (4 points)
    Apr 13, 2016 7:45 AM in response to Alan Musgrave

    Upgrading to 10.11.5 Beta solved this for me.

  • by Mr Picasso,

    Mr Picasso Mr Picasso Apr 23, 2016 10:52 AM in response to Ravenholm
    Level 1 (4 points)
    Apr 23, 2016 10:52 AM in response to Ravenholm

    How does one install 10.11.5 beta?

    What are the risks to installing this beta version of OS X and do you think they are they worth it to stop these annoying "Did Not Eject Properly" messages? Those messages seem to have become more frequent since I upgraded to 10.11.4, so I'm open to try something to stop them.

  • by Ravenholm,

    Ravenholm Ravenholm Apr 23, 2016 5:11 PM in response to Mr Picasso
    Level 1 (4 points)
    Apr 23, 2016 5:11 PM in response to Mr Picasso

    By enrolling in beta versions at this site https://beta.apple.com/sp/betaprogram/

    No guarantees of course, as they always say to use it at our own risk, but for me OK so far.

    If you wait a little, this problem should disappear in 10.11.5 final version - I would be surprised if they having fixed it in beta will have it back in final version:))

  • by drdawnmac,

    drdawnmac drdawnmac May 29, 2016 5:45 AM in response to Ravenholm
    Level 1 (4 points)
    Mac OS X
    May 29, 2016 5:45 AM in response to Ravenholm

    I've upgraded to 10.11.5 and no change. Issue is still there.

  • by Daniel J. Wilson,

    Daniel J. Wilson Daniel J. Wilson May 31, 2016 9:05 PM in response to drdawnmac
    Level 1 (29 points)
    May 31, 2016 9:05 PM in response to drdawnmac

    I'm also experiencing random disconnects of my Lacie 2Big Thunderbolt 2 RAID after upgrading to 10.11.5.

  • by Alan Musgrave,

    Alan Musgrave Alan Musgrave Jun 6, 2016 4:24 PM in response to Daniel J. Wilson
    Level 1 (14 points)
    Jun 6, 2016 4:24 PM in response to Daniel J. Wilson

    I've been running 10.11.5 for a couple of weeks now and it seems to have resolved my disk eject error problem. Good news, but no idea why it took so long to fix.

  • by drdawnmac,

    drdawnmac drdawnmac Jun 6, 2016 5:44 PM in response to Alan Musgrave
    Level 1 (4 points)
    Mac OS X
    Jun 6, 2016 5:44 PM in response to Alan Musgrave

    Unfortunately it isn't fixed for me. Sigh.

  • by TClancey,

    TClancey TClancey Jul 20, 2016 4:15 AM in response to Alan Musgrave
    Level 1 (13 points)
    Audio
    Jul 20, 2016 4:15 AM in response to Alan Musgrave

    Just adding my voice.  I haven't had the problem while the macbook is being used, only after a sleep.  Both my external working data drive and the drive I use for time machine do the same.

     

    It's not a show stopper, it's just annoying, but I'm also worried I might end up with a corrupt disk, potentially losing loads of work.

     

    Can we have a small update please?!  xx

  • by StaffordMedia,

    StaffordMedia StaffordMedia Jul 26, 2016 10:37 PM in response to Alan Musgrave
    Level 1 (4 points)
    Jul 26, 2016 10:37 PM in response to Alan Musgrave

    Same issue with brand new iMac 5k and Lacie 2big 8tb.

     

    I daisy chain another lacie thunderbolt drive into it, which oddly DOESN'T disconnect when the 2big does. Spoke with a couple of genius' at the store, and the first suggestion was to make sure "put drives to sleep when possible" wasn't checked in system preferences. Didn't fix my issue, so I'm moving on to a possible spotlight index issue. I'll turn off indexing for external drives and see if this fixes.

     

    If none of this works, I'll return it to the store and exchange for the G-Drive.

     

    NOTE: there is a 14 day return policy, but under Australian Consumer Law this should be covered as the failure falls under unfit for purpose. So don't feel like you're stuck with it simply because it's over 14 days since purchase... as long as you're in Australia. haha.

  • by enriquefromnochistlan,

    enriquefromnochistlan enriquefromnochistlan Aug 4, 2016 9:21 PM in response to Alan Musgrave
    Level 1 (4 points)
    Aug 4, 2016 9:21 PM in response to Alan Musgrave

    Hello This is how you can fix this problem... it seems el Capitan comes with over the top security or something. I have a macbook air 2016 with the latest version of El Capitan 10.11.6 and had the same problem with an external hard drive that kept ejecting itself after a minute or so. Fortunately I just fixed this annoying problem... These are the steps:

    a) Go to system preferences and uncheck put disk to sleep whenever possible.

    b) Download the app: Mountain from App store. (this app used to be free but now it costs about 7dlls). Trust me this app is awesome, it keeps all disks running under control, it is worth it the few bucks.

    c) Go to the preferences in the Mountain app and check Prevent Unmount.... This parameter does the job, this app takes care of preventing any of your external hard drives from ejecting itself.

  • by Jim Show,

    Jim Show Jim Show Aug 5, 2016 7:19 AM in response to enriquefromnochistlan
    Level 1 (34 points)
    Mac OS X
    Aug 5, 2016 7:19 AM in response to enriquefromnochistlan

    I have the "Disk not ejecting properly" problem with a brand new (4 months old now) iMac. A Lacie 6TB raid drive connected via Thunderbolt ejects after every sleep. I tried all suggestions for 4 weeks and got no relief. Apple bug report techs blamed it on my hard drive, even though the hard drive works just fine on a Macbook pro via USB. When I plug it into the thunderbolt port on the iMac, I get the ejecting problem.

     

    I found Mountain to be extremely buggy. Mountain did not respond to two tech support emails. I deleted it from my computer after a week.

     

    I have not slept my iMac in three months because the drive ejects itself after every sleep. Very disappointed in how this iMac deals with external drives.

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