Date: Thu, 11 Feb 2010 15:39:25 +0000 From: RW <rwmaillists@googlemail.com> To: freebsd-questions@freebsd.org Subject: Re: Memory disk "a la mfsroot"? Message-ID: <20100211153925.7b88844d@gumby.homeunix.com> In-Reply-To: <4B741E56.8010002@infracaninophile.co.uk> References: <4B7419F5.7050602@pldrouin.net> <4B741E56.8010002@infracaninophile.co.uk>
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On Thu, 11 Feb 2010 15:12:22 +0000 Matthew Seaman <m.seaman@infracaninophile.co.uk> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > 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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