From: James Hawtin <oolon@ankh.org>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] sparse copy i.e. /dev/sda3 -> /dev/mvlvm/mythinpool?
Date: Sat, 11 Aug 2012 20:46:41 +0100 [thread overview]
Message-ID: <5026B6A1.9040008@ankh.org> (raw)
In-Reply-To: <50267B69.7090505@mglug.de>
I no longer have it however I wrote a program to resparse files a long
time ago. what it did was read a block of data, if it was zero it did
nothing, if it had data it seeked to the beginning of where the data is
and then wrote it, and when it got to the end it seeked to the end.
James
On 11/08/2012 16:34, Oliver Rath wrote:
> Hi list,
>
> is it possible, to copy a real device like /dev/sda3 to a thinpool
> device in a sparse way? I tried several things like dd_rescue -a .. ,
> but there was no sparse-effect :-(
>
> Any hints?
>
> Tfh!
>
> Oliver
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
>
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prev parent reply other threads:[~2012-08-11 19:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-11 15:34 [linux-lvm] sparse copy i.e. /dev/sda3 -> /dev/mvlvm/mythinpool? Oliver Rath
2012-08-11 19:46 ` James Hawtin [this message]
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