Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-29 Thread Martin Kletzander
On Mon, Apr 29, 2019 at 08:58:37AM +, Vladimir Sementsov-Ogievskiy wrote: 29.04.2019 10:27, Martin Kletzander wrote: On Wed, Apr 24, 2019 at 09:19:17AM +0200, Kevin Wolf wrote: Am 24.04.2019 um 08:40 hat Vladimir Sementsov-Ogievskiy geschrieben: 23.04.2019 18:08, Kevin Wolf wrote: > Am 23.

Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-29 Thread Vladimir Sementsov-Ogievskiy
29.04.2019 10:27, Martin Kletzander wrote: > On Wed, Apr 24, 2019 at 09:19:17AM +0200, Kevin Wolf wrote: >> Am 24.04.2019 um 08:40 hat Vladimir Sementsov-Ogievskiy geschrieben: >>> 23.04.2019 18:08, Kevin Wolf wrote: >>> > Am 23.04.2019 um 16:26 hat Martin Kletzander geschrieben: >>> >> On Tue, Apr

Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-29 Thread Martin Kletzander
On Wed, Apr 24, 2019 at 09:19:17AM +0200, Kevin Wolf wrote: Am 24.04.2019 um 08:40 hat Vladimir Sementsov-Ogievskiy geschrieben: 23.04.2019 18:08, Kevin Wolf wrote: > Am 23.04.2019 um 16:26 hat Martin Kletzander geschrieben: >> On Tue, Apr 23, 2019 at 02:12:18PM +0200, Kevin Wolf wrote: >>> Am 2

Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-24 Thread Martin Kletzander
On Wed, Apr 24, 2019 at 09:19:17AM +0200, Kevin Wolf wrote: Am 24.04.2019 um 08:40 hat Vladimir Sementsov-Ogievskiy geschrieben: 23.04.2019 18:08, Kevin Wolf wrote: > Am 23.04.2019 um 16:26 hat Martin Kletzander geschrieben: >> On Tue, Apr 23, 2019 at 02:12:18PM +0200, Kevin Wolf wrote: >>> Am 2

Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-24 Thread Kevin Wolf
Am 24.04.2019 um 08:40 hat Vladimir Sementsov-Ogievskiy geschrieben: > 23.04.2019 18:08, Kevin Wolf wrote: > > Am 23.04.2019 um 16:26 hat Martin Kletzander geschrieben: > >> On Tue, Apr 23, 2019 at 02:12:18PM +0200, Kevin Wolf wrote: > >>> Am 23.04.2019 um 13:30 hat Martin Kletzander geschrieben: >

Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-23 Thread Vladimir Sementsov-Ogievskiy
23.04.2019 18:08, Kevin Wolf wrote: > Am 23.04.2019 um 16:26 hat Martin Kletzander geschrieben: >> On Tue, Apr 23, 2019 at 02:12:18PM +0200, Kevin Wolf wrote: >>> Am 23.04.2019 um 13:30 hat Martin Kletzander geschrieben: Hi, I am using qemu-img with nbdkit to transfer a disk image an

Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-23 Thread Kevin Wolf
Am 23.04.2019 um 16:26 hat Martin Kletzander geschrieben: > On Tue, Apr 23, 2019 at 02:12:18PM +0200, Kevin Wolf wrote: > > Am 23.04.2019 um 13:30 hat Martin Kletzander geschrieben: > > > Hi, > > > > > > I am using qemu-img with nbdkit to transfer a disk image and the update > > > it with > > > e

Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-23 Thread Martin Kletzander
On Tue, Apr 23, 2019 at 02:12:18PM +0200, Kevin Wolf wrote: Am 23.04.2019 um 13:30 hat Martin Kletzander geschrieben: Hi, I am using qemu-img with nbdkit to transfer a disk image and the update it with extra data from newer snapshots. The end image cannot be transferred because the snapshots w

Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-23 Thread Kevin Wolf
Am 23.04.2019 um 13:30 hat Martin Kletzander geschrieben: > Hi, > > I am using qemu-img with nbdkit to transfer a disk image and the update it > with > extra data from newer snapshots. The end image cannot be transferred because > the snapshots will be created later than the first transfer and w

Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-23 Thread Daniel P . Berrangé
On Tue, Apr 23, 2019 at 12:36:02PM +0100, Richard W.M. Jones wrote: > On Tue, Apr 23, 2019 at 01:30:28PM +0200, Martin Kletzander wrote: > > I am using qemu-img with nbdkit to transfer a disk image and the > > update it with extra data from newer snapshots. The end image > > cannot be transferred

Re: [Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-23 Thread Richard W.M. Jones
On Tue, Apr 23, 2019 at 01:30:28PM +0200, Martin Kletzander wrote: > I am using qemu-img with nbdkit to transfer a disk image and the > update it with extra data from newer snapshots. The end image > cannot be transferred because the snapshots will be created later > than the first transfer and we

[Qemu-devel] Possibly incorrect data sparsification by qemu-img

2019-04-23 Thread Martin Kletzander
Hi, I am using qemu-img with nbdkit to transfer a disk image and the update it with extra data from newer snapshots. The end image cannot be transferred because the snapshots will be created later than the first transfer and we want to save some time up front. You might think of it as a continu