Re: Idea wanted; block disk on network (SC101T)

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

On Tue, 12 Aug 2008 21:54:11 -0400
"Steven M. Bellovin" <smb%cs.columbia.edu@localhost> wrote:

> On Wed, 13 Aug 2008 10:21:13 +0900
> "Toru Nishimura" <locore64%alkyltechnology.com@localhost> 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;
> > 
> > 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.
> > 
> Sounds like Sun's ND (Network Disk) protocol, from before NFS was
> usable for the root partition...
> 
Following up my own post -- see ndbootd(8).  You need the client, too,
but it might be a good reference.


                --Steve Bellovin, http://www.cs.columbia.edu/~smb