Re: [Xen-devel] [PATCH v6 COLO 01/15] docs: add colo readme

[Yang Hongyang <yanghy@xxxxxxxxxxxxxx>]

On 06/16/2015 06:56 PM, Ian Campbell wrote:
> On Mon, 2015-06-08 at 11:45 +0800, Yang Hongyang wrote:
> > add colo readme, refer to
> > http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping
> >
> > Signed-off-by: Yang Hongyang <yanghy@xxxxxxxxxxxxxx>
> This is fine as far as it goes but I wonder if perhaps
> docs/README.{remus,colo} ought to be moved into docs/misc, perhaps
> converted to markdown (which should be trivial) and perhaps merged into
> a single document about checkpointing?
Agreeed that we can add a checkpointing.txt to docs/misc, and describe
remus/COLO in that file. but can we do this later when COLO feature is
merged? at that time we can do this within one patch.

> The reason for the move is twofold, first it is a bit a typical for docs
> to live in the top-level docs dir and secondly moving it into misc will
> cause it to appear automatically at
> http://xenbits.xen.org/docs/unstable/ etc.
>
> Ian.
> > ---
> >   docs/README.colo | 9 +++++++++
> >   1 file changed, 9 insertions(+)
> >   create mode 100644 docs/README.colo
> >
> > diff --git a/docs/README.colo b/docs/README.colo
> > new file mode 100644
> > index 0000000..466eb72
> > --- /dev/null
> > +++ b/docs/README.colo
> > @@ -0,0 +1,9 @@
> > +COLO FT/HA (COarse-grain LOck-stepping Virtual Machines for Non-stop Service)
> > +project is a high availability solution. Both primary VM (PVM) and secondary VM
> > +(SVM) run in parallel. They receive the same request from client, and generate
> > +response in parallel too. If the response packets from PVM and SVM are
> > +identical, they are released immediately. Otherwise, a VM checkpoint (on 
> > demand)
> > +is conducted.
> > +
> > +See the website at http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping
> > +for details.
>
> .
--
Thanks,
Yang.

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