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On 29/04/11 04:08, Dan Lavu wrote:
> Gerald,
>
>
>
> Not the case with me, if you look at the host ras03, you see that the
> average speed is .92MB/s while other host are significantly faster. It
> is taking 40 hours to do 110GB, while other hosts are doing it in about
> an hour. I’m about to patch this box and reboot it, it’s been up for
> 200+ days and I haven’t had a good backup for over a week now. So any
> input will be helpful, again thanks in advance.
One thing I've seen which can really slow down rsync backups is that a
large file with changes will be much slower to backup than a number of
small files (of the same total size) with the same amount of changes.
I backup disk images, original method was to just backup the image, but
this was too slow. New method is:
use split to divide the file into a series of 20M or 100M files
backup these individual files
I also do the same with database exports and other software backup files
more than around 100M ... it just backup quicker, and also a failed
backup will continue from the most recent chunk (in a full backup)
instead of restarting the whole file. Also, timeout is shorter because
it is reset after each chunk.
Regards,
Adam
- --
Adam Goryachev
Website Managers
www.websitemanagers.com.au
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