Fail over/Recovery roadblock

Charles Tryon charles.tryon at
Fri Feb 10 09:25:42 MST 2012

Hummm...  Good questions.  I don't have any answers, but since I'm in what
sounds like a similar situation to you, I will be VERY interested in
hearing what answers you get!

On Fri, Feb 10, 2012 at 9:30 AM, Aaron E. <ssureshot at> wrote:

> We are upgrading to S4 I'm just waiting on the servers being ordered today
> and there are few items on the list prior to production which includes
> failover/recover. In my mind unless I have a proper procedure I cannot go
> live so I'm looking at recovery procedures in case of DC1 failure in a two
> DC set-up. Was hoping for some insight / procedures that people are using
> in a production environment. I'll list my thought process and hope others
> can chime in on anything I'm missing or haven't thought of.
> #1. I know that AD is replicated minus group policy so I will rsync the
> policies, no problem there..
> #2. I understand the process of seizing roles so there shouldn't be a
> problem there. (Ill test when I get the full logistics down)
> #3. Finally DNS, I was first thinking I could rsync the proper files over
> then I remembered a conversation with Ricky N. about inodes and dns files..
> So I am at a loss and was hoping for some direction on procedure for dns
> recovery/ backup solution in case of failure on DC1.
> #4. Missing anything?
> And now Deep thoughts by Jack Handy!!! (if anyone members old snl)!
> I was thinking about corosync / pacemaker and rsyncing the whole samba
> configuration in a failover scenario so I would only have one DC active at
> a time with exact copies, this would provide me with the same ip on all
> servers if needed., heck maybe even have 4 servers in this configuration
> just in case.... Thoughts?

    Charles Tryon
  “Risks are not to be evaluated in terms of the probability of success,
but in terms of the value of the goal.”
                - Ralph D. Winter

More information about the samba-technical mailing list