When ejecting external drive it ejects all of them when copying

steven_1979 · steven_1979 #1 (**permalink**)

04-11-2011, 11:23 AM

I have a big issue with my MacPro. I have 2x Xeon Intel processors, 8Gb RAM and Snow Leopard installed.

When I upgraded to Snow Leopard I reset the SMC.

I frequently have 3 or 4 external drives attached. If I am copying files between say, disk 1 and 2 and then eject disk 3 - the mac ejects disk 3. However, when I take out the usb plug the mac will eject all the disks and copying fails.

Has anyone heard of this issues? is there a way around it? Thanks

chscag · chscag #2 (**permalink**)

04-11-2011, 11:46 AM

You could try a PRAM - NVRAM reset to see if that fixes it. But more likely you're going to have to leave the USB cable and drive attached until the other copying routine is finished. It sounds like the system is detecting the removal of the USB cable but instead of sorting it out to the one port, it's assuming all ports are free.

bobtomay · bobtomay #3 (**permalink**)

04-11-2011, 11:55 AM

Quote:

Originally Posted by chscag

You could try a PRAM - NVRAM reset to see if that fixes it. But more likely you're going to have to leave the USB cable and drive attached until the other copying routine is finished. It sounds like the system is detecting the removal of the USB cable but instead of sorting it out to the one port, it's assuming all ports are free.

Especially if you have these drives plugged in through a hub.

steven_1979 · steven_1979 #4 (**permalink**)

04-11-2011, 11:55 AM

Hi! Thanks but I have tried that also. I reset the PRAM - NVRAM and SMC when installing Snow Leopard. When I installed Snow Leopard I also did a complete install, not just an upgrade. Seems like a really silly thing to happen - I was hoping a few updates would sort the problem out. They are also plugged directly into the Mac, not through a Hub.

harryb2448 · harryb2448 #5 (**permalink**)

04-11-2011, 06:40 PM

If it is a Mac Pro, why not set the drives up internally as there are four drive slots? You will also find the internal SATA II transfers speeds much quicker than either Firewire or USB.

steven_1979 · steven_1979 #6 (**permalink**)

04-12-2011, 05:07 AM

I use all internal slots, one for the disk for the OSX, one for files, one for downloads and one for Time Machine. Due to the work I do I copy hundreds of files and constantly use external drives for clients and there' sis no way around this. I find it very difficult to understand that the Mac does this. Thanks anyway fro the suggestion.

baldyauldeejit · baldyauldeejit #7 (**permalink**)

04-10-2012, 03:04 PM

Did you ever find a solution to this problem Steven_1979? I'm having the exact same problems and Apple's service providers here in Dublin can't replicate the problem or find any probable cause - even though they've had my Mac Pro (early 2009) three times!

Hopefully you'll see this and have some encouraging news.

chscag #2 (permalink)
Member Since: Jan 23, 2008 Location: Fort Worth, Texas Posts: 31,998 Mac Specs: 21.5" iMac 2.5 GHz i5, iPad 3rd Gen., 3 iPods	04-11-2011, 11:46 AM You could try a PRAM - NVRAM reset to see if that fixes it. But more likely you're going to have to leave the USB cable and drive attached until the other copying routine is finished. It sounds like the system is detecting the removal of the USB cable but instead of sorting it out to the one port, it's assuming all ports are free. Community Guidelines
	QUOTE Thanks

harryb2448 #5 (permalink)
Member Since: Nov 28, 2007 Location: Nambucca Heads Australia Posts: 14,086 Mac Specs: iMac i5 2.7GHz OS X.8.3	04-11-2011, 06:40 PM If it is a Mac Pro, why not set the drives up internally as there are four drive slots? You will also find the internal SATA II transfers speeds much quicker than either Firewire or USB. *Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!*
	QUOTE Thanks

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When ejecting external drive it ejects all of them when copying

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steven_1979 #1 (permalink)
Member Since: Apr 11, 2011 Posts: 3	04-11-2011, 11:23 AM I have a big issue with my MacPro. I have 2x Xeon Intel processors, 8Gb RAM and Snow Leopard installed. When I upgraded to Snow Leopard I reset the SMC. I frequently have 3 or 4 external drives attached. If I am copying files between say, disk 1 and 2 and then eject disk 3 - the mac ejects disk 3. However, when I take out the usb plug the mac will eject all the disks and copying fails. Has anyone heard of this issues? is there a way around it? Thanks
	QUOTE Thanks

steven_1979 #4 (permalink)
Member Since: Apr 11, 2011 Posts: 3	04-11-2011, 11:55 AM Hi! Thanks but I have tried that also. I reset the PRAM - NVRAM and SMC when installing Snow Leopard. When I installed Snow Leopard I also did a complete install, not just an upgrade. Seems like a really silly thing to happen - I was hoping a few updates would sort the problem out. They are also plugged directly into the Mac, not through a Hub.
	QUOTE Thanks

steven_1979 #6 (permalink)
Member Since: Apr 11, 2011 Posts: 3	04-12-2011, 05:07 AM I use all internal slots, one for the disk for the OSX, one for files, one for downloads and one for Time Machine. Due to the work I do I copy hundreds of files and constantly use external drives for clients and there' sis no way around this. I find it very difficult to understand that the Mac does this. Thanks anyway fro the suggestion.
	QUOTE Thanks

baldyauldeejit #7 (permalink)
Member Since: Apr 10, 2012 Posts: 1	04-10-2012, 03:04 PM Did you ever find a solution to this problem Steven_1979? I'm having the exact same problems and Apple's service providers here in Dublin can't replicate the problem or find any probable cause - even though they've had my Mac Pro (early 2009) three times! Hopefully you'll see this and have some encouraging news.
	QUOTE Thanks

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