Backing up to an external FAT32 disk

[Liam Proven]

On 12/07/07, Rashkae <ubuntu at tigershaunt.com> wrote:
> 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
> >
>
> This is the right approach, but I would use a command more like:
>
> tar -cz raid | split -b 2000m - /media/usbdrive/raid.tar.gz.
>
> And as already mentioned, to restore:
>
> cat /media/usbdrive/raid.tar.gz.* | tar -xz   (run this in the location
> where you want the files restored.)

Thanks for that!

I would ask the same question that I asked Nils, though...?

-- 
Liam Proven • Blog, homepage &c: http://lproven.livejournal.com/profile
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