Re: [CentOS-virt] compress raw image

2011-08-22 Thread Andrew Cutler
On 5 August 2011 00:35, Rainer Traut tr...@gmx.de wrote: It's an W2k8 image/NTFS. For what it's worth (a bit late). I'm surprised no one mentioned ntfsclone. This will save you from copying unused blocks. Just check that you can restore the image, as there was a version of ntfsclone in

Re: [CentOS-virt] compress raw image

2011-08-09 Thread Rainer Traut
Am 08.08.2011 18:51, schrieb Momo: Hi No, he's talking filling with zeros unused blocks. That's a prerequisite to optimize for a sparse image _on the other side_ and/or compression during the transfer. I know of an ext2/3/4 utility that does precisely that. I have no idea

Re: [CentOS-virt] compress raw image

2011-08-09 Thread Charles Polisher
Rainer Traut wrote: Am 08.08.2011 18:51, schrieb Momo: Hi No, he's talking filling with zeros unused blocks. That's a prerequisite to optimize for a sparse image _on the other side_ and/or compression during the transfer. I know of an ext2/3/4 utility that does

[CentOS-virt] compress raw image

2011-08-04 Thread Rainer Traut
Hi, I need to transfer a local raw image to another datacenter. Is there a way to achieve good compression of this image, I heard of tools overwriting unused space with zeros. Is this a good idea? It's an W2k8 image/NTFS. Thx Rainer ___ CentOS-virt

Re: [CentOS-virt] compress raw image

2011-08-04 Thread Nehemiah Dacres
its cool as long as you use a lossless compression format like bz2 On Thu, Aug 4, 2011 at 9:35 AM, Rainer Traut tr...@gmx.de wrote: Hi, I need to transfer a local raw image to another datacenter. Is there a way to achieve good compression of this image, I heard of tools overwriting unused