Re: [sheepdog] Qemu Live Migration and Cache

2012-06-08 Thread Bastian Scholz
Am 2012-06-07 12:07, schrieb Yibin Shen: On Thu, Jun 7, 2012 at 5:38 PM, Liu Yuan namei.u...@gmail.com wrote: Maybe you refer to object cache? Yes, sorry, mixed that two... Without object cache, the answer is NO, the data will be known to the cluster as soon as the request is completely.

[sheepdog] Qemu Live Migration and Cache

2012-06-07 Thread Bastian Scholz
I have a question about migration a Qemu Virtual Machines from one node to another... Is there something I have to pay attention when using the farm cache mechanisms? For example, is it possible, that I ran my virtual Machine V on host A, Start a live migration to host B, but some content in

Re: [sheepdog] Qemu Live Migration and Cache

2012-06-07 Thread Liu Yuan
On 06/07/2012 05:19 PM, Bastian Scholz wrote: I have a question about migration a Qemu Virtual Machines from one node to another... Is there something I have to pay attention when using the farm cache mechanisms? Farm doesn't cache any data for regular IO. Instead, Farm caches snapshot