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

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

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...


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