Model A1312 / Mid 2011 / 2.7 & 3.1 GHz Core i5 or 3.4 GHz Core i7 Processor, ID iMac12,2

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The item(s) will be deleted immediately. Are you sure ...

I have two internal SSD disks in my iMac (one -the boot drive- on the original place of the old 1 Tb HD) and one installed additionally inside.

- When I delete something from my boot drive, it is moved to the trash and I need to delete it manually.

- But when I delete something from my -second- internal disk, I get the message 'The item(s) will be deleted immediately. Are you sure you want to continue?'

So it is not moved to trash but deleted immediately.

Is there a way to get it so that with the second disk, deleting items will also move them to the trash first and not deleting them at the same instance?

It has something to do with the fact that it's an extra disk which was built in;

The system recognizes it as an internal disk (you can tell by the default icon the system gave it - so no external or network disk icon, but a 'real' (internal) HD icon),

but when deleting, it treats it like an external or network mounted disk; with those you also cannot keep deleted items in the trash bin and you'll get the same immediate deleting message + immediate deletion of items.

Rebuilding permissions (of trash) etc doesn't work either.

So somehow the system must fully accept the disk being an internal one.

Updaten (22-02-16)

I have Mac OS 10.10.5

In the meanwhile I have also discovered that when I startup with the other (second disk), I have the same thing happening with the first disk, so exactly the way around. Perhaps this is sata bus related or something like that?

Update (02/24/2016)

Thanks for your suggestions, I slowly also get the impression that perhaps the fact that both disks are bootable (so with a system on it) could cause this to happen and one of the disks without an active system on it would fix the issue.

Unfortunately it is my 'backup' system disk -in case of an emergency- so removing the system is not something I prefer.

Strangely enough when you look in: about his mac -> system overview -> SATA/SATA Express, it does recognize the disks as internal and not being removable.

Answered! View the answer I have this problem too

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That is correct! System Profile will show the drive as an internal disk. The issue here is not at the hardware level its at the OS level related to the permissions.

In your case you have two permission DB's which are independent of each other (two OS copies). Most people who have two partitions or drives have a single DB as they only have one copy of the OS.


Thanks for your help Dan, I figure that is what's causing the 'issue' then.


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I believe your issue is related to the given drives permissions from the viewpoint of the other drive.

I've got two systems now setup one with a single drive with two partitions (only the first partition has the OS) and I don't encounter the issue. The second setup is a dual drive setup it too has no problems. Again this setup only has the primary drive with the OS.

With these two setups its clear there is not issue with a single OS partition or drive that has the OS present.

So, that gets to your setup you have two drives each with their own OS and you are jumping between the two drives being the active boot drive. But, the permissions of the other drive is not under the control of the boot drive so it believes it needs to delete immediately as it see the drive as if it was an external drive. The permissions data store is independent one per partition/drive.

So to fix this I think you'll need to re-setup the secondary drive without the OS. Go into Disk Utility and reformat the drive from your boot drive. That should fix this.

Update (02/24/2016)

I guess you'll need to think about what is important here. Frankly, I use an external drive (USB thumb drive) as my second boot disk so I can service my system. The newer macs have a recovery partition which likewise offers the ability to boot from to do basic stuff (Disk Utility). I think either would be better than the approach you have laid out. Besides, copying files from one disk to another for a backup is not the best way as if the system fails you now need to pull the drive. I would strongly recommend getting an external RAID drive as being a more dependable backup.

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I do have multiple backups active, Timemachine on a NAS and also an external SSD with boot system.

In the past I had some bad experiences with recovery partitions, that's also why I added a second bootable disk.

One can never be too careful, right? :-)


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PHdJ will be eternally grateful.
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