Re: [libvirt-users] virDomainCoreDumpWithFormat files created as root

2015-05-29 Thread Mathew Moon
Just a hunch but is the binary that creates the dump suid? You may want to check the perms on it. Not sure if it is libvirtd or some other binary. Sent from my iPhone > On May 29, 2015, at 3:39 AM, NoxDaFox wrote: > > 2015-05-28 12:04 GMT+03:00 Michal Privoznik : >> On 28.05.2015 09:29, NoxDaF

[libvirt-users] Blockcommit error

2015-05-21 Thread Mathew Moon
HI, I am receiving the following error when I try to run blockcommit: == root@farnsworth:/var/lib/libvirt/images# virsh blockcommit pg94-test vda --top /var/lib/libvirt/images/pg94-test.snap4 --active --pivot --verbose error: unsupported

Re: [libvirt-users] Pivot without copy

2015-05-19 Thread Mathew Moon
Hi, Sorry about top-posting, didn't know it was a nuisance. As for developing, I wish I could but I have never spent any time coding in c, c++, etc. I am a systems guy, not a developer, so I only work with scripting languages. I would love to have the tech chops to contribute though. If I

Re: [libvirt-users] Pivot without copy

2015-05-19 Thread Mathew Moon
3:41 PM, Mathew Moon wrote: > Hi Eric, > > Thanks for the info. I see the value in this, but it isn't quite what I > was looking for. Basically what I want to do is to switch between snapshots > quickly. For instance, I am currently working on designing a HA SQL > implement

Re: [libvirt-users] Pivot without copy

2015-05-19 Thread Mathew Moon
o "square one" quickly after something in the procedure I am working on foo bar's my db and it is replicated to 4 other nodes. Any insights on how this could be accomplished using libvirt without rebooting? On Tue, May 19, 2015 at 2:20 PM, Eric Blake wrote: > On 05/19/2015 12:52

[libvirt-users] Pivot without copy

2015-05-19 Thread Mathew Moon
Hi, Is it possible to "pivot" to a new image without doing blockcopy or blockpull? I know how to use snapshots and blockpull to create a new image and pivot to using it live, but what I would like to do is to have a VM switch from using imageA.qcow2 to image2.qcow2 while running. I don't see why t

[libvirt-users] Changing 'source file' on running VM.

2014-10-22 Thread mathew . moon
So I notice that some operations by libvirt such as creating a snapshot actually change the source of the active disk image for a domain without requiring a restart of the vm. How can this be achieved manually? There are instances where I am manipulating files with qemu-img or virsh commands and af