fs block level syncing
Isaac Claymore
clay at exavio.com.cn
Thu Feb 19 03:00:21 UTC 2004
Hi, here's an article about asynchronous block level replication:
http://www.linuxjournal.com/article.php?sid=7265
HTH
On Thu, Feb 12, 2004 at 12:51:36PM -0500, Paul Raines wrote:
>
> Right now we do a lot of hard to hard disk backup by using rsync to weekly
> "mirror" the source filesystem to a backup filesystem. This works fairly
> well for most sources. However, one issue with rsync is that simple things
> like changing the file name or directory name cause the whole file or
> directory structure to get recopied over a previous sync. Also, like for
> mail spools, large files that simply get appended to get the whole file
> recopied.
>
> Does anyone know of something that syncs an ext2/3 fs to another
> at the block level which result in less data transfer?
>
> --
> ---------------------------------------------------------------
> Paul Raines email: raines at nmr.mgh.harvard.edu
> MGH/MIT/HMS Athinoula A. Martinos Center for Biomedical Imaging
> 149 (2301) 13th Street Charlestown, MA 02129 USA
>
>
>
>
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--
Regards, Isaac
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