Backing up to an external FAT32 disk

George Farris farrisg at cc.mala.bc.ca
Thu Jul 12 16:43:49 UTC 2007


Go here and search for "backup"

http://gnomefiles.org/


On Thu, 2007-12-07 at 18:23 +0200, Nils Kassube wrote:
> Liam Proven wrote:
> > I am trying to backup a 98% full RAID array (some 100GB of stuff) onto
> > a 400GB FAT32 USB2 external hard drive. I don't have space on the RAID
> > itself to create the archive, nor on my 3G root FS.
> >
> > I tried (in my /media directory, the mountpoint for both the RAID and
> > the USB drive):
> >
> > tar -cvf usbdrive/raid.tar raid/
> >
> > This worked but I forgot one detail. FAT32 has a max file size of
> > about 4G. So when the archive got to 4G, it barfed.
> 
> Try this:
> 
> tar c raid | split -d --suffix-length=3 --bytes=1000m - usbdrive/raid_
> 
> That will give you files of 1000MB size with filenames usbdrive/raid_<nnn> 
> with <nnn> being numbers counting from 001.
> 
> You can test the archive with:
> 
> cat usbdrive/raid_* | tar tv
> 
> And you can restore a file with:
> 
> cat usbdrive/raid_* | tar x <filename>
> 
> 
> Nils
> 





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