Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-28 Thread Wenchao Xia
于 2013-7-26 16:20, Stefan Hajnoczi 写道: > On Fri, Jul 26, 2013 at 10:23:24AM +0800, Wenchao Xia wrote: >> 于 2013-7-25 16:06, Stefan Hajnoczi 写道: >>> On Thu, Jul 25, 2013 at 10:30:49AM +0800, Wenchao Xia wrote: Besides the argument, I think it helps to probe snapshot without qemu-img con

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-26 Thread Stefan Hajnoczi
On Fri, Jul 26, 2013 at 10:23:24AM +0800, Wenchao Xia wrote: > 于 2013-7-25 16:06, Stefan Hajnoczi 写道: > >On Thu, Jul 25, 2013 at 10:30:49AM +0800, Wenchao Xia wrote: > >> Besides the argument, I think it helps to probe snapshot without > >>qemu-img convert, hope to get comments for the code. > >

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-25 Thread Wenchao Xia
于 2013-7-25 16:06, Stefan Hajnoczi 写道: On Thu, Jul 25, 2013 at 10:30:49AM +0800, Wenchao Xia wrote: Besides the argument, I think it helps to probe snapshot without qemu-img convert, hope to get comments for the code. Hi Wenchao, Which patch are you referring to? Stefan This series, wh

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-25 Thread Stefan Hajnoczi
On Thu, Jul 25, 2013 at 10:30:49AM +0800, Wenchao Xia wrote: > Besides the argument, I think it helps to probe snapshot without > qemu-img convert, hope to get comments for the code. Hi Wenchao, Which patch are you referring to? Stefan

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-24 Thread Wenchao Xia
Besides the argument, I think it helps to probe snapshot without qemu-img convert, hope to get comments for the code. -- Best Regards Wenchao Xia

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-21 Thread Wenchao Xia
Eric, I'd like to have a discuss about snapshot and vmbackup in qemu/libvirt with management stack's perspective, what is your time zone? I hope to ping you in IRC. On 07/17/2013 08:03 AM, Wenchao Xia wrote: This series allow user to read internal snapshot's contents without qemu-img convert. A

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-21 Thread Wenchao Xia
于 2013-7-22 10:10, Fam Zheng 写道: On Fri, 07/19 17:03, Wenchao Xia wrote: 于 2013-7-18 13:43, Stefan Hajnoczi 写道: On Wed, Jul 17, 2013 at 10:03:51PM +0800, Wenchao Xia wrote: This series allow user to read internal snapshot's contents without qemu-img convert. Another purpose is that, when qemu

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-21 Thread Fam Zheng
On Fri, 07/19 17:03, Wenchao Xia wrote: > 于 2013-7-18 13:43, Stefan Hajnoczi 写道: > >On Wed, Jul 17, 2013 at 10:03:51PM +0800, Wenchao Xia wrote: > >>This series allow user to read internal snapshot's contents without qemu-img > >>convert. Another purpose is that, when qemu is online and have taken

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-19 Thread Wenchao Xia
于 2013-7-19 17:19, Kevin Wolf 写道: Am 19.07.2013 um 11:03 hat Wenchao Xia geschrieben: 于 2013-7-18 13:43, Stefan Hajnoczi 写道: On Wed, Jul 17, 2013 at 10:03:51PM +0800, Wenchao Xia wrote: This series allow user to read internal snapshot's contents without qemu-img convert. Another purpose is tha

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-19 Thread Kevin Wolf
Am 19.07.2013 um 11:03 hat Wenchao Xia geschrieben: > 于 2013-7-18 13:43, Stefan Hajnoczi 写道: > >On Wed, Jul 17, 2013 at 10:03:51PM +0800, Wenchao Xia wrote: > >>This series allow user to read internal snapshot's contents without qemu-img > >>convert. Another purpose is that, when qemu is online and

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-19 Thread Wenchao Xia
于 2013-7-18 13:43, Stefan Hajnoczi 写道: On Wed, Jul 17, 2013 at 10:03:51PM +0800, Wenchao Xia wrote: This series allow user to read internal snapshot's contents without qemu-img convert. Another purpose is that, when qemu is online and have taken an internal snapshot, let user invoke qemu-nbd to

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-19 Thread Kevin Wolf
Am 19.07.2013 um 08:29 hat Wenchao Xia geschrieben: > 于 2013-7-17 22:23, Eric Blake 写道: > >On 07/17/2013 08:03 AM, Wenchao Xia wrote: > >>This series allow user to read internal snapshot's contents without qemu-img > >>convert. Another purpose is that, when qemu is online and have taken an > >>inte

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-18 Thread Wenchao Xia
于 2013-7-17 22:23, Eric Blake 写道: On 07/17/2013 08:03 AM, Wenchao Xia wrote: This series allow user to read internal snapshot's contents without qemu-img convert. Another purpose is that, when qemu is online and have taken an internal snapshot, let user invoke qemu-nbd to do any thing on it exce

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-18 Thread Fam Zheng
On Thu, 07/18 10:28, Wenchao Xia wrote: > 于 2013-7-17 23:21, Kevin Wolf 写道: > >Am 17.07.2013 um 16:23 hat Eric Blake geschrieben: > >>On 07/17/2013 08:03 AM, Wenchao Xia wrote: > >>>This series allow user to read internal snapshot's contents without > >>>qemu-img > >>>convert. Another purpose is t

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-17 Thread Stefan Hajnoczi
On Wed, Jul 17, 2013 at 10:03:51PM +0800, Wenchao Xia wrote: > This series allow user to read internal snapshot's contents without qemu-img > convert. Another purpose is that, when qemu is online and have taken an > internal snapshot, let user invoke qemu-nbd to do any thing on it except > write.

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-17 Thread Wenchao Xia
于 2013-7-17 23:21, Kevin Wolf 写道: Am 17.07.2013 um 16:23 hat Eric Blake geschrieben: On 07/17/2013 08:03 AM, Wenchao Xia wrote: This series allow user to read internal snapshot's contents without qemu-img convert. Another purpose is that, when qemu is online and have taken an internal snapshot,

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-17 Thread Kevin Wolf
Am 17.07.2013 um 16:23 hat Eric Blake geschrieben: > On 07/17/2013 08:03 AM, Wenchao Xia wrote: > > This series allow user to read internal snapshot's contents without qemu-img > > convert. Another purpose is that, when qemu is online and have taken an > > internal snapshot, let user invoke qemu-nb

Re: [Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-17 Thread Eric Blake
On 07/17/2013 08:03 AM, Wenchao Xia wrote: > This series allow user to read internal snapshot's contents without qemu-img > convert. Another purpose is that, when qemu is online and have taken an > internal snapshot, let user invoke qemu-nbd to do any thing on it except > write. > > This brings t

[Qemu-devel] [PATCH 0/4] export internal snapshot by qemu-nbd

2013-07-17 Thread Wenchao Xia
This series allow user to read internal snapshot's contents without qemu-img convert. Another purpose is that, when qemu is online and have taken an internal snapshot, let user invoke qemu-nbd to do any thing on it except write. This brings two interesting issues: 1 is it safe to let qemu-nbd and