LVM Snapshots and Samba Shadow Copy

Dan Lund situationalawareness at gmail.com
Tue Apr 24 13:49:23 MST 2007


RVM performs well for me.  I backup 50+ servers with it nightly and
keep about 6-9 months worth of data with it.
I'm not sure how rsnapshot and rvm compare, I've never bothered with
rsnapshot because rvm does what I need quite nicely.

On 4/24/07, Ben <azlobo73 at gmail.com> wrote:
> I like rsnapshot.  It uses hard links to reduce the spaced used. The
> partition you store rnapshot snapshots on has to support links, but
> I've used it to backup remotely files via SMB (mounted) and SSH (via
> rsync args set in the config file).  I use it a lot on the web
> servers.
>
> Ben
>
> On 4/23/07, Bryan O'Neal <BONeal at cornerstonehome.com> wrote:
> >
> >
> >
> >
> > Ok, I am looking to set up Samba Shadow Copy, which, I believe, requires LVM
> > style snapshots.  However when I am looking to set up snapshots it seems
> > that if I want three snap shots of a 10GB partition I need a 30 GB partition
> > to hold it.  Is their no more elegant way?  For example if file X never
> > changes why would I need four copies of X (Original + three snapshots)?
> > What I want is something that looks at folder AI and sees files X, Y, Z, &
> > W, then at the next timed interval sees that Y has changed (We will call it
> > Y1) so now instead of making another copy of X, Y, Z, & W it adds Y1 to the
> > back up of folder AI with a time stamp.  If I have to make three full copies
> > for three full restore points I think I would rather just dump my rsynch off
> > sight back ups across the net four times a day, or at least make a local
> > rsynch backup.
> >
> >
> >
> > But alas, that defeats the purpose as I can not find any way to integrate
> > rsynch with Samba Shadow Copy.  I have also looked at Samba Recycler, but
> > can not find anyone who can tell me how it integrates with windows.
> >
> >
> >
> > Thoughts?
> >
> >
> >
> > Bryan O'Neal
> >  Cornerstone Homes & Development, Inc.
> >  4220 E. McDowell Rd Ste. #108
> >  Mesa, AZ 85215
> >  (480) 505-1900
> >
> >
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