Re: [Xen-devel] [PATCH v7 12/18] tools/libx{l, c}: add back channel to libxc

2016-02-04 Thread Wei Liu
On Thu, Feb 04, 2016 at 01:28:14PM +0800, Wen Congyang wrote: > On 02/04/2016 03:40 AM, Wei Liu wrote: > > On Fri, Jan 29, 2016 at 01:27:28PM +0800, Wen Congyang wrote: > >> In COLO mode, both VMs are running, and are considered in sync if the > >> visible network traffic is identical. After some

Re: [Xen-devel] [PATCH v7 12/18] tools/libx{l, c}: add back channel to libxc

2016-02-03 Thread Wen Congyang
On 02/04/2016 03:40 AM, Wei Liu wrote: > On Fri, Jan 29, 2016 at 01:27:28PM +0800, Wen Congyang wrote: >> In COLO mode, both VMs are running, and are considered in sync if the >> visible network traffic is identical. After some time, they fall out of >> sync. >> >> At this point, the two VMs have

Re: [Xen-devel] [PATCH v7 12/18] tools/libx{l, c}: add back channel to libxc

2016-02-03 Thread Wei Liu
On Fri, Jan 29, 2016 at 01:27:28PM +0800, Wen Congyang wrote: > In COLO mode, both VMs are running, and are considered in sync if the > visible network traffic is identical. After some time, they fall out of > sync. > > At this point, the two VMs have definitely diverged. Lets call the > primary

Re: [Xen-devel] [PATCH v7 12/18] tools/libx{l, c}: add back channel to libxc

2016-01-31 Thread Wen Congyang
On 01/30/2016 12:38 AM, Konrad Rzeszutek Wilk wrote: > On Fri, Jan 29, 2016 at 01:27:28PM +0800, Wen Congyang wrote: >> In COLO mode, both VMs are running, and are considered in sync if the >> visible network traffic is identical. After some time, they fall out of >> sync. >> >> At this point, the

Re: [Xen-devel] [PATCH v7 12/18] tools/libx{l, c}: add back channel to libxc

2016-01-29 Thread Konrad Rzeszutek Wilk
On Fri, Jan 29, 2016 at 01:27:28PM +0800, Wen Congyang wrote: > In COLO mode, both VMs are running, and are considered in sync if the > visible network traffic is identical. After some time, they fall out of > sync. > > At this point, the two VMs have definitely diverged. Lets call the > primary

[Xen-devel] [PATCH v7 12/18] tools/libx{l, c}: add back channel to libxc

2016-01-28 Thread Wen Congyang
In COLO mode, both VMs are running, and are considered in sync if the visible network traffic is identical. After some time, they fall out of sync. At this point, the two VMs have definitely diverged. Lets call the primary dirty bitmap set A, while the secondary dirty bitmap set B. Sets A and B