Am 15.04.2014 um 05:18 hat xuanmao_001 geschrieben:
> Hi, there:
>
> I found an issue that cdrom device hotplug iso image.
> 1. if I startup qemu with an iso image, then iso can easily be replaced and it
> worked.
> 2. but if I startup qemu with null image, when I change iso image use qemu
> moni
Am 03.09.2014 um 04:06 hat shhuiw geschrieben:
>
>
> At 2014-09-02 04:33:50, "shhuiw" wrote:
> >
> >
> >Hi,
> >
> >I'm new to qemu community, and I'm trying the COW image format (old but
> >simple:-).
> >I have read through its source code, and didn't find anything about 'copy on
> >write'.
>
Hi Gleb,
Am 15.07.2015 um 13:04 hat Gleb Stepanov geschrieben:
>We are testing disk I/O perfomance using fio tool. I've measured
> performance on qcow2 image mounted to nb0 device. I run tests and
> launch iostat -x 1 command to browse I/O operations. Test consists of
> sequential read operati
Am 12.10.2015 um 10:05 hat Igor Mammedov geschrieben:
> On Sat, 10 Oct 2015 00:39:43 -0700
> sahlot arvind wrote:
>
> > Hello,
> >
> > Does qemu emulate a proper NVMe controller? Can someone please tell me how
> s far as I'm aware, QEMU doesn't emulate any NVMe controller yet.
It does, though
Am 30.08.2016 um 08:58 hat Han Han geschrieben:
> Hi, all
> I try to create a json backing file via tftp protocol but failed.
> # curl tftp://10.66.6.236/tftp -o tftp
> % Total% Received % Xferd Average Speed TimeTime Time
> Current
> Dload Uploa
Am 12.02.2017 um 01:58 hat Nir Soffer geschrieben:
> On Sat, Feb 11, 2017 at 12:23 AM, Nir Soffer wrote:
> > Hi all,
> >
> > I'm trying to convert images (mostly qcow2) to raw format on thin lv,
> > hoping to write only the allocated blocks on the thin lv, but
> > it seems that qemu-img cannot wri
Am 14.07.2017 um 21:13 hat Nir Soffer geschrieben:
> On Wed, Jul 12, 2017 at 5:40 PM Eric Blake wrote:
>
> > On 07/12/2017 03:56 AM, Ala Hino wrote:
> > > Hi,
> > >
> > > We encountered a performance issue when creating a volume for a running
> > VM
> > > and we'd like to share the info with you.
Am 17.07.2017 um 13:36 hat Eric Blake geschrieben:
> On 07/14/2017 02:13 PM, Nir Soffer wrote:
> > Eric, we are more concerned about using the current qemu version.
> >
> > We can use the fact that providing both size and backing format,
> > qemu does not open the backing file, but this is not doc
Am 17.07.2017 um 14:25 hat Eric Blake geschrieben:
> On 07/17/2017 07:19 AM, Kevin Wolf wrote:
>
> > While I think adding -u today is reasonably realistic, I'm doubtful that
> > we can get an introspection mechanism in place today. Perhaps we can
> > declare it a bug
[ Cc: qemu-block ]
Am 20.11.2017 um 09:47 hat Fam Zheng geschrieben:
> On Mon, 11/20 10:58, Han Han wrote:
> > Hello,
> > On qemu-2.10, I find 'qemu-img info' couldn't get the info of a mirroring
> > image:
> > # /usr/libexec/qemu-kvm -name A -machine pc,accel=kvm \
> > -vnc 0.0.0.0:1 \
> > -monit
Am 20.11.2017 um 13:39 hat Eric Blake geschrieben:
> On 11/20/2017 04:37 AM, Kevin Wolf wrote:
> > [ Cc: qemu-block ]
> >
> > Am 20.11.2017 um 09:47 hat Fam Zheng geschrieben:
> >> On Mon, 11/20 10:58, Han Han wrote:
> >>> Hello,
> >>> On qemu
Am 09.07.2018 um 18:38 hat Nir Soffer geschrieben:
> We are discussing importing VM images to KubVirt. The goal is to be
> able to import an existing qcow2 disk, probably some appliance stored
> on http server, and and convert it to raw format for writing to storage.
>
> This can be also useful fo
Am 09.07.2018 um 18:52 hat Richard W.M. Jones geschrieben:
> On Mon, Jul 09, 2018 at 07:38:05PM +0300, Nir Soffer wrote:
> > We are discussing importing VM images to KubVirt. The goal is to be
> > able to import an existing qcow2 disk, probably some appliance stored
> > on http server, and and conv
Am 04.09.2013 um 05:47 hat xuanmao_001 geschrieben:
> Dear qemuers:
>
> my qemu-kvm version is 1.0.1
> I would like to figure out the qemu disk cache mode. I have visited the
> qemu-options.hx
> there is two cache that I didn't understand: the host cache page and the qemu
> disk write cache.
>
kernel page cache or the host disk write cache. Only if the
whole stack uses writethrough caching, the guest won't see a volatile
write cache.
Kevin
>
> ━━━
> xuanmao_001
>
> From: Kevin Wolf
> Da
Am 06.09.2013 um 03:31 hat xuanmao_001 geschrieben:
> Hi, qemuers:
>
> I found that the guest disk file cache mode will affect to the time of savevm.
>
> the cache 'writeback' too slow. but the cache 'unsafe' is as fast as it can,
> less than 10 seconds.
>
> here is the example I use virsh:
>
t would probably
> > improve things a bit.
>
> with cache=writeback. Is there any risk for setting cache=writeback with
> IO_BUF_SIZE 1M ?
No. Using a larger buffer size should be safe.
Kevin
> ━━━
> xu
ikely not apply for qemu
1.0, which is almost two years old.
Kevin
> ━━━
> xuanmao_001
>
> From: Kevin Wolf
> Date: 2013-09-09 16:35
> To: xuanmao_001
> CC: qemu-discuss; qemu-devel; quintela; stefan
Am 11.09.2013 um 09:14 hat xuanmao_001 geschrieben:
> Hi, all:
>
> I have question about qemu-img convert ...
>
> I have a orignal image with following information:
> # qemu-img info ori.qcow2
> image: ori.qcow2
> file format: qcow2
> virtual size: 2.0G (2097152000 bytes)
> disk size: 30
Am 26.06.2020 um 20:47 hat Nir Soffer geschrieben:
> On Tue, Jun 23, 2020 at 1:47 PM Richard W.M. Jones wrote:
> >
> > On Tue, Jun 23, 2020 at 01:14:43PM +0300, Nir Soffer wrote:
> > > On Tue, Jun 23, 2020 at 12:47 PM Richard W.M. Jones
> > > wrote:
> > > > Here you go:
> > > >
> > > > https://g
Am 26.06.2020 um 21:42 hat Nir Soffer geschrieben:
> On Tue, Jun 23, 2020 at 1:21 AM Nir Soffer wrote:
> >
> > I'm trying to export qcow2 images from ova format using qemu-nbd.
> >
> > I create 2 compressed qcow2 images, with different data:
> >
> > $ qemu-img info disk1.qcow2
> > image: disk1.qco
Am 29.06.2020 um 15:08 hat Nir Soffer geschrieben:
> On Mon, Jun 29, 2020 at 3:06 PM Kevin Wolf wrote:
> >
> > Am 26.06.2020 um 21:42 hat Nir Soffer geschrieben:
> > > On Tue, Jun 23, 2020 at 1:21 AM Nir Soffer wrote:
> > > >
> > > > I'm try
Am 27.07.2020 um 23:50 hat Kashyap Chamarthy geschrieben:
> [Cc: qemu-block]
>
> On Mon, Jul 27, 2020 at 05:11:15PM +0800, Derek Su wrote:
> > Hello,
> >
> > I'm trying to replace "-drive if=ide,id=disk0." with "-blockdev
> > '{"node-name": "top-node","
> > The "id" is the name of BlockBa
Am 25.06.2021 um 21:06 hat Nir Soffer geschrieben:
> On Fri, Jun 25, 2021 at 7:40 PM Jiatong Shen wrote:
> >
> > Hello community,
> >
> > I have a disk with both logical and physical sector size being 4096. I have
> > a qcow2 image which is built from a virtual machine has legacy 512 bytes
> > s
24 matches
Mail list logo
