Memory disk "a la mfsroot"?
rwmaillists at googlemail.com
Thu Feb 11 15:39:44 UTC 2010
On Thu, 11 Feb 2010 15:12:22 +0000
Matthew Seaman <m.seaman at infracaninophile.co.uk> wrote:
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> On 11/02/2010 14:53, Pierre-Luc Drouin wrote:
> > I would like to know if there is a mount command that allows to
> > create a memory disk that can be initialized from a file. What I am
> > looking for is something like mount_mfs -F, but that does not
> > modify the actual file. I know what I could easily to this by
> > copying the content of the file to the memory disk, but I am
> > looking for a solution that can be configured via fstab.
> Yes. See mdconfig(8) -- there are examples in there of exactly what
> you want to do.
I don't think covers what he is asking for. I think you would need a
union filsystem that overlays a swap-backed filesystem on top of a
file-backed filesystem - if that's possible.
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