Re: mount -o bind

[ramana <ramana@intraperson.com>]

Lucas Peet wrote:
> Hello,
> 
>  
> 
> Does autofs / automount have the ability to bind one directory to 
> another like ‘mount –o bind dir1 dir2’?  And if so, can this be handled 
> by using wildcards in the maps?  Here is my situation:
> 
>  
> 
> I have a large directory of user’s home directories.  These are in a 
> chroot jail, so making soft links isn’t an option, and hard links won’t 
> work for directories.  I need to bind (mount) a directory that lives 
> outside the chroot jail to a directory / mount point inside each home 
> directory.  The users will only be accessing this directory for short 
> periods (to copy a file or two), and I think it would be more practical 
> to have autofs mount it whenever they needed access to it, and unmount 
> it when they’re done.
> 
>  
> 
> I’m not sure on the exact number of mounted filesystems Linux can handle 
> (or if a directory mounded via –o bind counts towards that, though I’d 
> assume it would), but I would think that using automount instead of 
> putting hundreds of entries into fstab would be more the Linux way of 
> doing things.  Even if I had to put an entry for each user in a map, 
> that would be a better solution to me than using fstab, since they all 
> wouldn’t be mounted at the same time, all the time.
> 
>  
> 
> Dir to be accessed by all users:  /home/stuff/everyone
> 
>  
> 
> Mounted to: /home/users/*/everyone
> 
>  
> 
> Is this even possible?
> 
>  
>

To be honest I could not understand 100%.

But still something close to what you are asking is here http://www.intraperson.com/autodir/.

If something else that you want is missing let me know.

Regards
ramana
-- 
http://www.intraperson.com