[CentOS] Exporting /dev/shm as NFS share?

[Emmanuel Noobadmin]

On 6/24/11, John Hodrien <J.H.Hodrien at leeds.ac.uk> wrote:
> /dev/shm's how I would do it.
>
> Make a file on /dev/shm and the format it, mount it, export it.
>
> dd if=/dev/zero of=/dev/shm/export bs=1M count=1000
> mke2fs -j /dev/shm/export
> mount -o loop /dev/shm/export /mnt/foo
>
> Then export /mnt/foo

Thanks for this.

One note though, it does not seem to work if I mount the ramdisk into
a subfolder and export the parent folder. e.g mount to
/mnt/test/ramdisk and export /mnt/test would given the same problem.
But mounting directly to /mnt/ramdisk and export /mnt/ramdisk is OK