Get a list of unmountable drives using Cocoa
===

I would like to obtain a list of drives that are unmountable/ejectable using Cocoa/Objective-C under OS X.

I was hoping that NSWorkspace getFileSystemInfoForPath::::: would help me:

    NSArray* listOfMedia = [[NSWorkspace sharedWorkspace] mountedLocalVolumePaths];
    NSLog(@"%@", listOfMedia);
    
    for (NSString* volumePath in listOfMedia)
    {
        BOOL isRemovable = NO;
        BOOL isWritable  = NO;
        BOOL isUnmountable = NO;
        NSString* description = [NSString string];
        NSString* type = [NSString string];
        
        BOOL result = [[NSWorkspace sharedWorkspace] getFileSystemInfoForPath:volumePath 
                                                                 isRemovable:&isRemovable 
                                                                  isWritable:&isWritable 
                                                                  isUnmountable:&isUnmountable 
                                                                    description:&description
                                                                           type:&type];
        NSLog(@"Result:%i Volume: %@, Removable:%i, W:%i, Unmountable:%i, Desc:%@, type:%@", result, volumePath, isRemovable, isWritable, isUnmountable, description, type);
    }

Output:
    ...
    Result:1 Volume: /Volumes/LR Photos, Removable:0, W:1, Unmountable:0, Desc:hfs, type:hfs
    ...

"LR Photos" is an external drive (connected via Thunderbolt) that should be removable and/or unmountable (or, at least I think it should be). :)

Should I be going about this a different way?

Thanks in advance!
   