i would suggest you change gears a bit and use rsync on cygwin as a
service.  use the NSIS installer to build yourself a quick and easy backup
software installer.  rsyncd will work much much better and be much nicer to
your network than smb and it will also keep you from having to track
password changes!

I would also suggest that you put in a small pc enclosure and put a hot-swap
drive try in as a mirror of the backuppc data.  i suggest you put the OS on
compact flash, either via an IDE adapter or possible on the motherboard,
depending on the board you setup.

you will need to write some scripts to watch for hotpluged and unplugged
drives and take the appropriate actions of mirroring the main drive, thus
giving a luggable copy offsite.  they could keep any number of these hotswap
drives and rotate them periodically.

I don't believe that any of those <500mhz boards will be very good.  you
should look into a *itx via board with a 1Ghz samuel.

remember, no raid5! raid1 is good though.

You can rebrand the backuppc interface.  I rebrand all of my backuppc
machines, though i just shrink down the backuppc logo, do some photoshop
kung-fu and put it on the bottom right side of my company logo.  this
product will certainly look more professional this way, though i encourage
you to give credit by a "build with backuppc" or something.

good luck


On Tue, Apr 1, 2008 at 5:17 PM, Les Mikesell <[EMAIL PROTECTED]> wrote:

> Nicholas Hall wrote:
> > Hello All,
> >
> > I am working on building a small distro for backing up Window's clients
> > over WAN.  My goal is to be able to hand a customer a small piece of
> > hardware (i.e. http://www.soekris.com/products.htm), have them plug it
> > in their network, open port 22 to the device be able to do some simple
> > configuring via web interface to select which hosts and SMB shares to
> > backup.  The selected shares will be mounted on the device via smbmount
> > which should allow BackupPC to SSH in to the device and effectively
> > backup internal Win32 hosts.
> >
> > Before I commit anymore time into this I would like to see if anyone
> > else is backuping up hosts in a similiar fashion (SMB mounts).  I do not
> > know the internals of Rsync on how it checks to see if a file has
> > changed and I'm concerned that an SMB mount point won't allow rsync to
> > do it's magic (incrimentals) and therefor won't allow BackupPC to do
> > _it's_ magic (pooling, hardlinks).
> >
> > Someone please ease my nerves and tell me this will work.
>
> Conceptually it should work.  The issues you'll have to deal with will
> be the smbmount credentials, especially if the site has a policy that
> forces regular password changes, and the fact that rsync full runs will
> read the entire filesystem contents over the smb mount although it will
> only exchange block checksums to find the changes across the WAN side.
>
> If I were installing something like this, I'd want at least an option to
>  add disks to the device to hold a current copy of the backups with an
> additional copy and the history kept remotely via backuppc.  Disks are
> fairly cheap and it would give a quicker restore of the copy you are
> most likely to want.
>
> --
>   Les Mikesell
>    [EMAIL PROTECTED]
>
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