Attila Nagy writes:
> I have a really stupid question, so please forgive me if the answer is
> trivial for you...
>
> With the appearing of the jail() in 4.0 I think it would be very good to
> have the functionality of mounting already mounted (RW) filesystems read
> only to another directory.
>
> For example there are several daemons which can run on a read only
> filesystem, like an anonymous FTP daemon for extra security in a jail.
>
> nullfs and unionfs would be suitable for these tasks but they have
> problems in at least -STABLE, so there are only hacks for doing this, like
> NFS mounted filesystems and partition "magic" (defining a lot of
> partitions onto the same physical space).
>
> So I am wondering, why the unices block mounting an already mounted
> partition read only again.
>
> Would it be possible to solve this under FreeBSD?
I am second for it.
I am using some partition "magic" and know
dark side of it.
> --------------------------------------------------------------------------
> Attila Nagy e-mail: [EMAIL PROTECTED]
> Budapest Polytechnic (BMF.HU) @work: +361 210 1415 (194)
> H-1084 Budapest, Tavaszmezo u. 15-17. cell.: +3630 306 6758
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