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davidra

macrumors 6502
Original poster
Oct 12, 2011
413
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I have two LaCie external hard drives. With Yosemite the drives were not ejected when the computer went to sleep. Since installing El Capitan, every morning I get a message saying the drives were not ejected properly. They boot right up with no problem, but I don't understand why I'm getting this message only after updating?
 
I also have a problem that involves external hard drives. When I try to eject them the system tells me that they're being used by a program (they're not). I have to force it.
This never happened with Yosemite.
 
I also have a problem that involves external hard drives. When I try to eject them the system tells me that they're being used by a program (they're not). I have to force it.
This never happened with Yosemite.
Exact same issue here with both my macs running El Capitan.
 
I was having the same problem and i disabled "Put hard disk to sleep when possible" and it stopped happening.
Tried it back and forth a couple times and the unsafe eject dialog doesn't come up.
This is a workaround, but i am not sure how it used to work before in Yosemite, because i never got that problem before.
I am using a Transcend drive in the SD slot.
 
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I had this issue a year ago on my Mac Pro (on Yosemite)
and still have it with an external USB drive on my MBA. See my post from December of last year with my conclusion:

It's been my experience that the "Disk Not Ejected Properly" issue is not a USB 3.0 issue but an electrical issue with the USB 3.0 device. I have had the issue with my 5,1 Mac Pro with both the KT4004 and the 1144C cards when I was using it with a Micronet Fantom HDD. When I switched to an Hornettek Viper USB 3.0 enclosure with a fast Seagate HDD, the problem went away. Also, the Fantom drive could make up it's mind if it was a USB 3.0 or a USB 2.0 Device. The description would change in "System Information."

Also, I have an MBA with native USB 3.0. I use an Orico 2.5" USB 3.0 enclosure with a 2.5" Hybrid SHDD. I only use that drive occasionally, but it has the same "Disk Not Ejected Properly" issue.

I no longer use any external drives on my Mac Pro, all seven of my storage devices are now mounted internally.

Lou
 
Same issue with a Seagate Backup Plus Slim... can't tell if it happened in Yosemite since I just bought it to replace a dead WD My Passport which worked flawlessly in Yosemite.
 
When I first got my iMac three years ago, I got an external drive that did this all the time. It was a USB3 issue according to the manufacturer. I got rid of that drive and bought a La Cie, and then bought a second. I have been using those on Yosemite for years....and never got this message until I updated to El Capitan....so I will be willing to guarantee that it's due to a change in El Capitan.
 
Whilst I don't know if this might be your case. However, all of the LaCie drives I have owned and that has been a few over the years, have failed miserably and without much warning. Although, the one tell tale sign of an imminent failure was the ejecting issue described above... I have, as you can imagine, stopped buying LaCie, especially since Seagate bought them out... I've opted to use a NAS (WD Reds) and have networked it in. Far more reliant and stable and no need to eject...
 
I understand some people have issues with drives...and they have them with all of the top brands. There are lots of people who will say the same thing about WD drives. Regardless....probability suggests that two drives, one used for over a year and the other used for three years, are not likely to begin failing exactly at the same time the OS is updated. It's not the drives.
 
^^^^As I said in my post #5 above. IMHO, it is not a software issue but a hardware issue related to the electronics used by the drive or enclosure manufacturer.

Lou
 
Understood. but the problem for me specifically came up when i made a software change, which is upgrade from Yosemite to El Capitan so i am lost.
 
I have the Transcend 128 gig memory card installed for my macbook air 2013 and El Capitan works great except that after closing lid and computer goes to sleep and then lid is opened the computer kernel panics and gets rebooted. After the reboot computer starts up fine and the memory card works as usual.

I unplugged the memory card, closed lid and waited for the computer to sleep. When I open lid now the computer works fine so based on this I know either the Transcend software thats installed isn't working properly with the drive after sleep or something with El Capitan is faulty.
 
I have the Transcend 128 gig memory card installed for my macbook air 2013 and El Capitan works great except that after closing lid and computer goes to sleep and then lid is opened the computer kernel panics and gets rebooted. After the reboot computer starts up fine and the memory card works as usual.

I unplugged the memory card, closed lid and waited for the computer to sleep. When I open lid now the computer works fine so based on this I know either the Transcend software thats installed isn't working properly with the drive after sleep or something with El Capitan is faulty.
Read the last post on this page. Seems to be a software issue with El Capitan.
https://discussions.apple.com/message/29097833#29097833
 
The Transcend JetDrive ToolBox was originally released with the first issuance of the JetDrive SSD. It's main purpose in life was an alternative to Cindori's Trim Enabler to enable TRIM. I never used it in my MBA, since i used Trim Enabler at the time. I see no use for it now, since Apple (starting with OS 10.10.4) is allowing all third party SSDs to enable TRIM with a Terminal command.

Lou
 
oh my laCie keeps getting rejected too continuously on yosemite

got m
[doublepost=1500156543][/doublepost]Got my stuff straightened out...not sure how..lots of jerking around restarts resets--it is indeed a sierra wd cable power inappropriate and settings issue in other words apple hooks wont work with wd stuff-- seagate is even worse according to my readings -

seems like sleep mode unhooks them thus the settings issue wish I had the correct sequence etc for you but it wouldn't work anyway, it is a crap shoot.

generally speaking seems if disk utility will work your ok...and settings reflect that.
 
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