Re: ramdisk/tmpfs/ramfs/memfs ?

[mirabilos]

> > btw I get my initial root filesystem from a compact flash that can
be
> > accessed just like a hardisk. It's writeable also like a harddisk,
but
> > we boot with it readonly, and only mount it rw if we want to save
> > config or whatever. We definitely wouldn't swap to it as it has
> > limited erase/write cycles. The filesystem is compressed ext2.
>
> Why copy it into RAM? Why not use cramfs and either turn the writable
> directories into symlinks into a ramfs which you create at boot time,
or
> union-mount a ramfs over the top of it?

Hey! SOunds great! How to do it?
I tried to # mount --bind the directories but they do not show
me both entries. I have romfs root and tmpfs.

-mirabilos