On Mon, Aug 15, 2016 at 1:50 PM, Russell Bryant <russ...@ovn.org> wrote:
> > > On Mon, Aug 15, 2016 at 4:45 PM, Andy Zhou <az...@ovn.org> wrote: > >> >> >> On Mon, Aug 15, 2016 at 1:36 PM, Russell Bryant <russ...@ovn.org> wrote: >> >>> >>> >>> On Mon, Aug 15, 2016 at 2:54 PM, Andy Zhou <az...@ovn.org> wrote: >>> >>>> >>>> >>>> On Thu, Aug 11, 2016 at 1:22 PM, Russell Bryant <russ...@ovn.org> >>>> wrote: >>>> >>>>> >>>>> >>>>> On Tue, Aug 9, 2016 at 7:49 PM, Andy Zhou <az...@ovn.org> wrote: >>>>> >>>>>> Automatically launch backup server for OVN SB database that replicates >>>>>> all transactions of the active server. This can be handy for >>>>>> experimenting with the newly added replication feature. >>>>>> >>>>>> Signed-off-by: Andy Zhou <az...@ovn.org> >>>>>> >>>>> >>>>> Sure, seems fine to me. You could also add some notes to >>>>> OVN-Tutorial.md about how to poke at the backup replica. >>>>> >>>> >>>> How about the following incremental? I'd like to fold it in before >>>> pushing >>>> diff --git a/tutorial/OVN-Tutorial.md b/tutorial/OVN-Tutorial.md >>>> index a1fff0b..be9805c 100644 >>>> --- a/tutorial/OVN-Tutorial.md >>>> +++ b/tutorial/OVN-Tutorial.md >>>> @@ -25,12 +25,17 @@ environment: >>>> 1. Creates the `OVN_Northbound` and `OVN_Southbound` databases as >>>> described in >>>> [ovn-nb(5)] and [ovn-sb(5)]. >>>> >>>> - 2. Creates the `hardware_vtep` database as described in [vtep(5)]. >>>> + 2. Creates a backup server for `OVN_Southbond` database. Sandbox >>>> launch >>>> + screen provides the instructions on accessing the backup database. >>>> + However access to the backup server is not required to go through >>>> the >>>> + tutorial. >>>> >>>> - 3. Runs the [ovn-northd(8)], [ovn-controller(8)], and >>>> [ovn-controller-vtep(8)] >>>> + 3. Creates the `hardware_vtep` database as described in [vtep(5)]. >>>> + >>>> + 4. Runs the [ovn-northd(8)], [ovn-controller(8)], and >>>> [ovn-controller-vtep(8)] >>>> daemons. >>>> >>>> - 4. Makes OVN and VTEP utilities available for use in the environment, >>>> + 5. Makes OVN and VTEP utilities available for use in the environment, >>>> including [vtep-ctl(8)], [ovn-nbctl(8)], and [ovn-sbctl(8)]. >>>> >>>> Note that each of these demos assumes you start with a fresh sandbox >>>> >>> >>> This incremental looks good. >>> >>> Any reason not to add a backup for northbound, as well? >>> >> It can be easily added. I know we need to replicate SB for sure, but was >> not sure about NB. >> For the purpose of experimenting with the backup feature, one back server >> seems to be sufficient. >> We can certainly expend the set up to be closer to real life usage down >> the road. >> > > I agree that 1 is fine for experimentation. > Thanks, pushed to master. > > In practice, I think we need the same replication and backup for both NB > and SB. I'd like to avoid having to repopulate the NB db in the event of a > host failure. > If our goal is to make sandbox more life like, should we consider adding an HA manager in the picture and provide an floating IP for ovsdb clients to connect with? > > _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
