* [linux-lvm] sparse copy i.e. /dev/sda3 -> /dev/mvlvm/mythinpool? @ 2012-08-11 15:34 Oliver Rath 2012-08-11 19:46 ` James Hawtin 0 siblings, 1 reply; 2+ messages in thread From: Oliver Rath @ 2012-08-11 15:34 UTC (permalink / raw) To: linux-lvm 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 ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [linux-lvm] sparse copy i.e. /dev/sda3 -> /dev/mvlvm/mythinpool? 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 0 siblings, 0 replies; 2+ messages in thread From: James Hawtin @ 2012-08-11 19:46 UTC (permalink / raw) To: LVM general discussion and development 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/ > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2012.0.2197 / Virus Database: 2437/5192 - Release Date: 08/10/12 ^ permalink raw reply [flat|nested] 2+ messages in thread
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