Re: [Qemu-devel] [Snapshot Bug?]Qcow2 meta data corruption

2015-04-07 Thread leijian
unexpectedly and is allocated again? If it was not accessing the image from more than one process, any other exceptions I can test for? Thanks leijian From: Eric Blake Date: 2015-04-07 23:27 To: Kevin Wolf; leijian CC: qemu-devel; stefanha Subject: Re: [Qemu-devel] [Snapshot Bug?]Qcow2 meta data

Re: [Qemu-devel] [Snapshot Bug?]Qcow2 meta data corruption

2015-04-07 Thread Eric Blake
On 04/07/2015 03:33 AM, Kevin Wolf wrote: > More specifically, did you take care to never access your image from > more than one process (except if both are read-only)? It happens > occasionally that people use 'qemu-img snapshot' while the VM is > running. This is wrong and can corrupt the image.

Re: [Qemu-devel] [Snapshot Bug?]Qcow2 meta data corruption

2015-04-07 Thread Kevin Wolf
Am 03.04.2015 um 12:04 hat leijian geschrieben: > Hi all, > > There was a problem about qcow2 image file happened in my serval vms and I > could not figure it out, > so have to ask for some help. > [...] > I think the problem is relate to the snapshot create, delete. But I cant > reproduce it .

[Qemu-devel] [Snapshot Bug?]Qcow2 meta data corruption

2015-04-03 Thread leijian
Hi all, There was a problem about qcow2 image file happened in my serval vms and I could not figure it out, so have to ask for some help. Here is the thing: At first, I found there were some data corruption in a vm, so I did qemu-img check to all my vms. parts of check report: 3-Leaked clust

[Qemu-devel] [Snapshot Bug?]Qcow2 meta data corruption

2015-04-03 Thread leijian
Hi all, There was a problem about qcow2 image file happened in my serval vms and I could not figure it out, so have to ask for some help. Here is the thing: At first, I found there were some data corruption in a vm, so I did qemu-img check to all my vms. parts of check report: 3-Leaked clust