On Wed, Aug 13, 2008 at 10:21:13AM +0900, Toru Nishimura wrote: > Guys, who are a type of curiosity loving, > > I'm toy'ing an idea to have filesys on cheap SAN devices. The > block block is Netgear SC101T and/or Zetera NBOD. (Yes, > I'm aware of what OS insides in them; grab the firmware and > run strings on them). Although the UDP-SAN wire protocol is > not disclosed (yet), Linux camp already has a working program > to use SC101 SAN as "network block device." I think it's _kool_ > and want to practice the NetBSD way. My Q is; That would be cool. > Q. how can I build block IO device driver "plumb'ing" UDP-SAN > data pipe? I assume puffs/refuse would be more/less useful > naively. It would look like a very simple version of the iSCSI initiator. That uses puffs, but (I think) mostly for the service discovery/devfs aspects and not so much for the basic block operations. There's also the coraid AoE protocol as a similar model, we don't have an implementation of that either. I'd also like to see a NetBSD port to this and similar devices :) -- Dan.
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