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Re: [BackupPC-users] OK but why?
2008-12-22 21:20:38
Though I prefer rsync for all clients including windows clients, it should be said that SMB has far less CPU overhead than rsync and in some circumstances will be many many times faster. That CPU overhead can add more seconds than it takes to transfer the whole file. There are many other benefits to rsync but it should be said that SMB/CIFS backups have their place.
On Mon, Dec 22, 2008 at 10:09 AM, <tmassey AT obscorp DOT com> wrote:
cantthinkofanickname <backuppc-forum AT backupcentral DOT com> wrote on
12/20/2008 04:15:35 AM:
> But if I do that do I now have to go round to every Windows PC I
> need to backup and install something. I thought the idea of SMB was
> to avoid that stage. Maybe I'm wrong here?
>
> Any particular reason that I should abandon SMB?
Myriads of reasons. First, you have a *lot* of layers between the raw
files on both systems: there's the Server service on the Windows side
that abstracts the representation of the files as it provides them via
SMB; there's the Samba code on doing the same on the UNIX side. That
tends to create problems in subtle ways.
Second, there's the performance side. Even across a local network, you
transfer less data more efficiently if you use rsync to transfer the data
rather than SMB.
And while you do have to "install" something on the Windows side, it is
*exrememly* limited. You need rsync.exe, cygwin1.dll and two simple
text-based configuration files. You copy them into a directory, set up a
Scheduled Task to run them when the server starts up and away you go. Give
the *very* real advantages of rsync over SMB, copying (not installing) a
couple of files and creating a Scheduled Task ist *not* a large barrier to
entry.
Tim Massey
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