[X-Unix] Mysterious Volume in Terminal

[John Baltutis]

On 03/09/08, Richard Hartman <seasoft at west.net> wrote:
>
> This is giving me fits.
>
> When booted from the (unpartitioned) internal drive of my Intel iMac 
> (OS 10.5.2), *with all firewire and usb drives unplugged*, I see the 
> following in terminal:
>
> $ ls -la /Vol*
> total 24
> drwxrwxrwt@  5 root  admin   170 Mar  9 12:48 .
> drwxrwxr-t@ 60 root  admin  2108 Mar  4 12:41 ..
> -rw-rw-rw-@  1 rjh   admin  6148 May 17  2007 .DS_Store
> drwxr-xr-x   3 root  admin   102 Nov  6 19:08Back2
> lrwxr-xr-x   1 root  admin     1 Mar 9 12:48 iMac20 -> /
>
> The "Back2" volume does not show in the Finder or on the desktop,does 
> not show as a partition of my internal drive (in Drive Utility), or 
> anywhere else other than the above listing.
>
> I HAD a "Back2" volume a long while back on a firewire drive, butit 
> no longer exists on any drive (it was on a drive later reformatted 
> and, in any case, not even plugged into the mac at the moment).
>
> If I cd into the "Back2" volume and view its contents, it appearsto 
> comprise the long-since lost Back2 firewire volume. I can drill down 
> and open files that no longer even exist in my iMac20 directory 
> structure, so the indicated "Back2" data is actually present.
>
> I have done a repair from Disk Utility, which gave a clean bill of 
> health. The console & system logs show no mention of Back2, and 
> DiskWarrior 4.0 sees nothing either.
>
> My best guess: I inadvertently made a superduper clone of Back2 onto 
> my internal hard drive at some point (evidently, from the time stamps 
> on the terminal directories, last November). Could that be the cause 
> of what I am seeing?
>
> Here is some of the Back2 directory info; the time stamps seem to 
> point to November 2007, which is about when Back2 disappeared from the 
> scene.
> ========================
> $ ls -la /Volumes/Back2/
> total 0
> drwxr-xr-x  3 root  admin  102 Nov  6 19:08 .
> drwxrwxrwt@ 5 root  admin  170 Mar  9 12:48 ..
> drwxr-xr-x  7 root  admin  238 Nov  6 19:26 Users
>
> How do I delete this rogue volume and make it disappear from my 
> Volumes listing? And, presumably, recover a bit of disk space in the
> process.

A classic "false backup/clone" which occurs when using SuperDuper! or Carbon
Copy Cloner and the app loses connection to the original target HD. See
<http://forums.bombich.com/viewtopic.php?t=3852> for details. Just run this in
the Terminal:

sudo rm -R /Volumes/Back2