[ale] Hot FS backup

Matty matty91 at bellsouth.net
Thu Jul 24 16:52:26 EDT 2003


If I was looking to create hot system backups, I would look into
XFS/JFS and volume level snapshots. I believe LVM supports this
now. XFS has an xfs_freeze command to pause writes to a file system.

- Ryan

On Thu, 2003-07-24 at 10:47, Christopher Fowler wrote:
> There is one option.  I read an article in LJ's kernel corner about
> adding an extra layer to an FS.  Maybe I can write code
> that will provide hot backup functionailty to ext2?
> 
> 
> On Thu, Jul 24, 2003 at 09:53:22AM -0400, Michael D. Hirsch wrote:
> > On Wednesday 23 July 2003 07:30 pm, Christopher Fowler wrote:
> > > I was thinking about my backup systems tonight and was thinking of
> > > making a change.
> > >
> > > Currently I only backup 2 types of data.
> > >
> > > 1) MySQL data
> > >    This is done with 2 slaves connecting to one master
> > >
> > > 2) Huge CVS tree
> > >    This is done via rsync.
> > >
> > > I would like to know if there is a way to do some sort
> > > of hot fs backup on a filesystem.  When I make a change to the
> > > master MySQL Database it gets replicated down stream to my slaves.
> > > Is there a way to do the same on my CVS tree?
> > 
> > You could have CVS send you email on every commit, then write something to 
> > receive the email and update the file.
> > 
> > Michael
> > 
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