[Samba] Running a sleepy server (was: smbd on a battery-powered device)

Liam pubsub at networkimprov.net
Thu Dec 16 14:36:44 MST 2010

On Wed, Dec 15, 2010 at 1:31 AM, Andrew Bartlett <abartlet at samba.org> wrote:

> On Mon, 2010-12-13 at 12:37 -0800, Liam wrote:
> > I'm setting up samba service on a battery-powered WiFi device. The
> > plan is to have it wake-on-lan, handle request, sleep. Anyone have
> > experience with this?
> >
> > Are there smb protocol aspects that preclude server sleep between
> > client-initiated exchanges?
> >
> > My server won't be awake to respond to netbios broadcasts, e.g. for
> > name resolution. Can I shut off that service, and have clients access
> > \\\share? Can I shut off everything but the smb session
> > service?
> >
> > Alternatively I could start/stop the server on demand, since I know
> > when a client wants a file via smb. Is samba startup efficient, or
> > cpu/disk-intensive?
> The inetd mode would seem to be the best way to handle this.  Then your
> inetd or replacement can handle starting smbd.  Just watch out that
> clients may keep a connection open for quite some time while not
> actually using it.

Thanks for the input, Andrew.

Can I disable nmbd if clients use \\\share style addresses?

And when an smb connection is active but the client is idle, does the client
expect anything from the server? If not, the next client msg will trigger
wake-on-lan and the connection will be fine...

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