Using an initrd image for a diskless system
I'm still considering what the best option is to build a diskless Debian
system that can replace my current Linksys firewall [1]. I've tried
booting from PXE and using NFS for the rest of the system. While this
approach works, I don't like the idea that if the NFS server goes down,
the firewall also doesn't work anymore.
So I thought, what if I were to use a ramdisk, loaded from an initrd
image. Isn't that how those firewalls from cdrom work? Just like now,
the system boots from PXE and loads the initrd image. Only instead of
switching to the NFS mountpoint, the initrd image is bigger and loads
the system in RAM. Not really revolutionary perhaps, but I can't seem to
find much available documentation.
So has anyone else tried this approach?
[1] http://lists.debian.org/debian-user/2006/08/msg00479.html
--
Frank Hart
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