You may want to refer to http://edgylogic.com/blog/vshadow-exe-versions/ for
appropriate vshadow versions for Windows 7/2008. (or see the comments on
Michael's original implementation page).
Also, in-place restores will require a bit of work - but most of the time
you'll probably be restoring specific files, so manually moving them into
place isn't a huge deal.
WOL is a nice feature, but make sure that your switches support it. (Mine
don't).
Kris Lou
k...@themusiclink.net
On Tue, Feb 26, 2013 at 2:52 PM, upen <upendra.gan...@gmail.com> wrote:
> On Tue, Feb 26, 2013 at 4:38 PM, Michael Stowe
> <mst...@chicago.us.mensa.org> wrote:
> >
> >
> >> On Tue, Feb 26, 2013 at 3:26 PM, Michael Stowe
> >> <mst...@chicago.us.mensa.org> wrote:
> >>>
> >>>> Can someone tell what the drawbacks of using cygwin/ssh/rsync on the
> >>>> windows BackupPc clients ? I just tried it yesterday on windows xp and
> >>>> it worked well. I believe this method of backup should also work on
> >>>> 2008r2 servers?
> >>>
> >>> Drawbacks versus ... what?
> >>>
> >>> Windows in general has issues with file semantics, and its system of
> >>> overcoming those is essentially to use VSS, the Volume Snapshot
> Service.
> >>> For BackupPC, there have been two solutions developed, one that
> requires
> >>> ssh, and one that instead uses winexe, which leverages samba. The ssh
> >>> solution encrypts in transit, but (naturally) requires the installation
> >>> of
> >>> ssh and the appropriate version of vshadow. The winexe version has an
> >>> installer which takes care of the client details, but requires
> >>> winexe/samba installed on the BackupPC server.
> >>>
> >>> There are some minor functional differences in the implementations; the
> >>> ssh version backs up ACL's (in one of two ways) and the winexe version
> >>> handles backing up machines that are powered down. However, the
> >>> features
> >>> aren't incompatible, and since both are scripted, can be added to
> either
> >>> one.
> >>
> >> Sorry about the confusing question. I was actually asking in general
> >> versus all other methods available to backup windows using BackupPC.
> >>
> >> Thanks for the information. It's certainly useful. I used method
> >> mentioned at http://www.cs.umd.edu/~cdunne/projs/backuppc_guide.html
> >> for my windows xp client. It didn't mention anything about volume
> >> snapshot service or vshadow. I am not sure if I am using vshadow but I
> >> do find a service in my windows xp named "Volume Shadow Copy " that is
> >> set to manual. So I guess vshadow is not being used on when backup is
> >> taken. Do I have to start vshadow and set to to automatic for future?
> >
> > What's there is neither of the open-file solutions I describe, so you'll
> > either need to switch, or simply be unable to back up open files (this
> may
> > not be a problem, depending on your backup strategy.)
> >
> > vshadow, the windows service, doesn't actually do anything unless it's
> > specifically invoked, so setting it to automatic won't do anything, nor
> > will starting the service by itself. The tricky thing about transient
> > shadow volume copies is that they need to be invoked *before* rsync, thus
> > the complexity. The windows-edition-specific program "vshadow" allows
> > management from the command line.
>
>
> Great. Thanks guys for all the information.
>
>
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