[svlug] Taking images of a system before upgrades

Mark msalists at gmx.net
Fri Jan 5 12:04:55 PST 2007


I looked more into partimage, it seems to be pretty much exactly what I need.
Has anybody used it before? Anything to watch out for, any problems?

Thanks,

MARK
 

> -----Original Message-----
> From: svlug-bounces+msalists=gmx.net at lists.svlug.org 
> [mailto:svlug-bounces+msalists=gmx.net at lists.svlug.org] On 
> Behalf Of Scott Hess
> Sent: Friday, January 05, 2007 10:35 AM
> To: Daniel Gimpelevich
> Cc: svlug at lists.svlug.org
> Subject: Re: [svlug] Taking images of a system before upgrades
> 
> On 1/5/07, Daniel Gimpelevich 
> <daniel at gimpelevich.san-francisco.ca.us> wrote:
> > On Fri, 05 Jan 2007 10:07:17 -0800, Mark wrote:
> > > - If I have a big HD that is mostly empty, the image 
> should not use up more
> > > than is really necessary. I don't want to store 100GB of nothing
> >
> > Anything wrong with rsync? Just do a grub-install afterward.
> 
> I use rsnapshot for backups, which is an rsync wrapper, and have
> reconstructed machines a couple of times from backup.  I'd say do the
> rsync while running, then idle everything (or go to single-user) and
> rsync again before doing the upgrade.  Run rsync as root so that you
> get permissions and stuff right.
> 
> Also, you probably want to capture some other information.  Off the
> top of my head, capture the output of df, df -i, fdisk -l,
> lv/pv/vgdisplay if you're using lvm, plus ...
> 
> Heck.  Goto http://twiki.iwethey.org/Main/LinuxSystemInfoScript ,
> there's a script there which dumps a bunch of this stuff, and you
> never know what will be useful.  [I see that the site appears to be
> down, currently, sigh.]
> 
> -scott
> 
> 
> , which I eventually adapted to the script I use.
> 
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