Re: [Qemu-devel] Online image backup

2007-12-10 Thread Lorenzo Mancini
Ricardo Almeida wrote: Fabrice, that's just part of the problem. A full automated remote backup service for qemu VMs should work like this: 1. send a savevm state command to qemu; 2. wait for savevm completion; 2.1 Switch to snapshot mode How do you switch to snapshot mode *while* the

Re: [Qemu-devel] Online image backup

2007-12-10 Thread Ricardo Almeida
2.1 Switch to snapshot mode How do you switch to snapshot mode *while* the VM is running, i.e. without stopping and restarting qemu? The only way I know to enter that mode is using the -snapshot switch at invocation time and I don't think it can be done online. As I said, I'm just a user

Re: [Qemu-devel] Online image backup

2007-12-05 Thread Ricardo Almeida
Hi, Discalmer: I'm just a user of QEmu :) comments bellow Fabrice, that's just part of the problem. A full automated remote backup service for qemu VMs should work like this: 1. send a savevm state command to qemu; 2. wait for savevm completion; 2.1 Switch to snapshot mode 3.

Re: [Qemu-devel] Online image backup

2007-12-05 Thread Lorenzo Mancini
Matteo Bertini wrote: Hello everyone, is there any support for an online image backup? Or some direction to have it? Imagine I have an emulated server. How can I make an online backup of the server state? If I'm right in the actual design this is very hard. Or there are some image internals

[Qemu-devel] Online image backup

2007-11-20 Thread Matteo Bertini
Hello everyone, is there any support for an online image backup? Or some direction to have it? Imagine I have an emulated server. How can I make an online backup of the server state? If I'm right in the actual design this is very hard. Or there are some image internals update rules that permit

Re: [Qemu-devel] Online image backup

2007-11-20 Thread Fabrice Bellard
Matteo Bertini wrote: Hello everyone, is there any support for an online image backup? Or some direction to have it? Imagine I have an emulated server. How can I make an online backup of the server state? If I'm right in the actual design this is very hard. Or there are some image