Re: [DISCUSS] pause VM

2013-04-09 Thread Kelven Yang
On 4/8/13 7:11 PM, "Marcus Sorensen" wrote: >Perhaps. I think there are separate issues here. There is volume snapshot >and vm snapshot. If the hypervisor is capable of making volumes consistent >, but VM snapshot is more about saving running state, then the two may not >serve the same purpose

Re: [DISCUSS] pause VM

2013-04-08 Thread Marcus Sorensen
Perhaps. I think there are separate issues here. There is volume snapshot and vm snapshot. If the hypervisor is capable of making volumes consistent , but VM snapshot is more about saving running state, then the two may not serve the same purpose when leveraging san-based snapshots. Its absolutely

Re: [DISCUSS] pause VM

2013-04-08 Thread Kelven Yang
On 4/8/13 4:19 PM, "Marcus Sorensen" wrote: >Oh yes, I know these things, but here's my point. You said: > >"When CloudStack takes a snapshot of volume, it already utilizes snapshot >feature provided by hypervisor to allow taking point of time storage image >in a safe manner from operating syst

Re: [DISCUSS] pause VM

2013-04-08 Thread Marcus Sorensen
Oh yes, I know these things, but here's my point. You said: "When CloudStack takes a snapshot of volume, it already utilizes snapshot feature provided by hypervisor to allow taking point of time storage image in a safe manner from operating system point of view." What about five volumes? Can we e

Re: [DISCUSS] pause VM

2013-04-08 Thread Kelven Yang
On 4/8/13 1:39 PM, "Marcus Sorensen" wrote: >Has anyone put together a suggestion for adding a 'paused' state to >virtual >machines? Or is anyone working on it? This seems fairly straightforward, >and I think we may need the functionality going forward. Even if people >rarely use it themselves,

[DISCUSS] pause VM

2013-04-08 Thread Marcus Sorensen
Has anyone put together a suggestion for adding a 'paused' state to virtual machines? Or is anyone working on it? This seems fairly straightforward, and I think we may need the functionality going forward. Even if people rarely use it themselves, if storage solutions are going to offer snapshots th