Re: [cobalt-users] [RaQ4] Using dd to make backups

[Gerald Waugh <gwaugh@xxxxxxxxxxxxxxxxxxxxxxx>]

On Wednesday 02 April 2003 21:45, William J.A. Brillinger wrote:
> At 09:28 PM 02/04/03 -0500, you wrote:
> >On Wednesday 02 April 2003 20:38, William J.A. Brillinger wrote:
> > > Hi!
> > >
> > > What are the ramifications of using dd to make a duplicate of hda to
> > > hdb on a live RaQ4?
> >
> >I have used dd to load new drives from a running system, then taken the
> > dd'd drive and installed it in another system, worked great!
> >
> >Gerald
>
> no concerns about data in a live database getting screwed?
> ie: data at the beginning AND end of a file changing before the file has
> completed getting written to the other drive.
>
> Or does dd lock files as it goes?
>
No, it doesn't locl the files, 
I shut down all processes (http, ftp, qpopper, smtp, mysql, asp) when I do the 
dd, including pulling the plug on the Internet. 

Gerald
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