mount --move doesn't work

[Pasha R]

Hi,
I'm trying to understand how mount --move can be used. Whenever I use it, I
get an error "mount: wrong fs type, bad option, bad superblock..."
for example (something I found that supposed to work):
mkdir foo bar
mount --bind foo foo
mount --move foo bar

mount: wrong fs type, bad option, bad superblock on foo,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail or so

What is wrong with it?

P.S. I'm using F17, with kernel 3.8.3

[Harald Hoyer]

Am 04.04.2013 10:01, schrieb Pasha R:
> Hi,
> I'm trying to understand how mount --move can be used. Whenever I use it, I get
> an error "mount: wrong fs type, bad option, bad superblock..."
> for example (something I found that supposed to work):
> mkdir foo bar
> mount --bind foo foo
> mount --move foo bar
>
> mount: wrong fs type, bad option, bad superblock on foo,
>        missing codepage or helper program, or other error
>        In some cases useful info is found in syslog - try
>        dmesg | tail or so
>
> What is wrong with it?
>
> P.S. I'm using F17, with kernel 3.8.3

The parent mountpoint has to have to the "shared" option removed.

[Pasha R]

How do I remove "shared" option? mount --make-private?

On Thu, Apr 4, 2013 at 4:05 PM, Harald Hoyer  wrote:
> Am 04.04.2013 10:01, schrieb Pasha R:
> > Hi,
> > I'm trying to understand how mount --move can be used. Whenever I use
>
> it, I get
> > an error "mount: wrong fs type, bad option, bad superblock..."
> > for example (something I found that supposed to work):
> > mkdir foo bar
> > mount --bind foo foo
> > mount --move foo bar
> >
> > mount: wrong fs type, bad option, bad superblock on foo,
> >        missing codepage or helper program, or other error
> >        In some cases useful info is found in syslog - try
> >        dmesg | tail or so
> >
> > What is wrong with it?
> >
> > P.S. I'm using F17, with kernel 3.8.3
>
> The parent mountpoint has to have to the "shared" option removed.
>
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[Norman Gaywood]

On 5 April 2013 00:42, Pasha R  wrote:
> How do I remove "shared" option? mount --make-private?

So did you ever solve how to do this. I've been having the same issue for
some time now. Here is a fuller description of my problem for those
interested:

https://www.redhat.com/archives/k12osn/2013-May/msg00050.html
> On Thu, Apr 4, 2013 at 4:05 PM, Harald Hoyer wrote:
> > Am 04.04.2013 10:01, schrieb Pasha R:
> > > Hi,
> > > I'm trying to understand how mount --move can be used. Whenever I use
> >
> > it, I get
> > > an error "mount: wrong fs type, bad option, bad superblock..."
> > > for example (something I found that supposed to work):
> > > mkdir foo bar
> > > mount --bind foo foo
> > > mount --move foo bar
> > >
> > > mount: wrong fs type, bad option, bad superblock on foo,
> > >        missing codepage or helper program, or other error
> > >        In some cases useful info is found in syslog - try
> > >        dmesg | tail or so
> > >
> > > What is wrong with it?
> > >
> > > P.S. I'm using F17, with kernel 3.8.3
> >
> > The parent mountpoint has to have to the "shared" option removed.

Norman Gaywood, Computer Systems Officer
University of New England, Armidale,
NSW 2351, Australia

[e-mail]            Phone: [phone]
http://mcs.une.edu.au/~norm    Fax:   [phone]

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