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From: Mick <michaelkintzios@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Re: Fast checksumming of whole partitions
Date: Fri, 11 Jun 2010 23:41:02 +0100
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References: <20100605063956.GA5125@solfire> <4C0D2CF5.8020609@alyf.net> <20100607185404.GB5128@solfire>
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On Monday 07 June 2010 19:54:04 meino.cramer@gmx.de wrote:
> Andrea Conti <alyf@alyf.net> [10-06-07 20:28]:
> > > Does anyone has experiences with gparted?
> >
> > I have no experience with Parted Magic, but I have used a lot the
> > Gparted live CD (http://gparted.sourceforge.net/livecd.php). No idea on
> > how the two compare.
> >
> > As for gparted (which is a lot more than a gui for parted), I have used
> > it on ext4 a couple of times and it managed to complete the copy without
> > destroying anything, so I'd say it works. On the other hand, I copied
> > *lots* of ext3 and ntfs partitions, and it never failed me.
> >
> > BTW, by default gparted does *not* do sector-by-sector partition copies.
> > In my opinion this is a much better approach if you do not need a
> > bit-exact copy of the original (e.g. if you're doing forensics or
> > debugging filesystems), but in the end it's up to you.
> >
> > andrea
>=20
> Hi Andreas,
>=20
> do I understand right here:
> Instead of using dcfldd or simply dd to copy one disk to
> another for backup reasons it is much better/faster to use gparted
> to simply copy all partitions from sda to sdb using sda1=3D>sdb1,
> sda2=3D>sdb2,... and so forth?
> Is there something like a "batch job" or scripting interface
> for gparted so that I can give gparted the complete copy job
> once, go to sleep and next moring the copy is done?
> Is gparted able to shut down the system after finishing its
> work or to end itsself so a little script can detect the
> job is done and halt the system then?
Am I being old-fashioned, or is there anything wrong with rsync (if not=20
tar/star) for this purpose? Make sure to add the relevant option for spars=
e=20
files and only bits and bytes with data will be copied over. Therefore it=
=20
will be faster than dd at any rate.
=2D-=20
Regards,
Mick
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