[SATLUG] Live backup / hot imaging software for Linux?

Borries Demeler demeler at biochem.uthscsa.edu
Thu Feb 3 17:35:07 CST 2011


> 
> rsync should be able to handle this well. If a file disappears while you
> are reading it, it will give you a warning. Furthermore, the rsync can be
> repeated as often as you like. Once the bulk has been copied, rsync will
> be fast and give you almost realtime updates. If you need anything faster
> than rsync, use RAID1.
> 
> -b.

Forgot to mention: You could also exclude certain directories from the \
copy, using the exclude switch: --exclude=/tmp

Check the man page, rsync has oodles of options....

-b.
> 
> 
> > 
> > Can anyone recommend a good backup software that can clone an entire 
> > drive into an image while said drive is running?  Something like 
> > DriveImageXML, but for Linux.  I've tried just copying 
> > partition-to-partition (/dev/hda to /dev/hdb, for example) and using dd, 
> > with somewhat mixed and unpredictable results on the copy.  What is the 
> > best way to get a hot image of a disk in Linux?
> > David
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