With ADAM, if you have 2 instances under the same confiugration set...

Can you backup server 1 and essentially restore that data to server 2 if
server 2 dies for some reason?

I need to know the requirement to whether a replica must be backed up as
well, or if you can just use the backup from the primary ADAM server and
restore to Replica server?  I know that the USN's will replicate back and
forth.  However, is there something missing here?

I don't know ADAM very well, and have only looked at it in a lab.  However I
would imagine that in this case it is just like it's big brother.  You don't
need to back it up, as you can always restore the "primary" instance and let
the downstream instance replicate that.  However, it is usually recommended
that you backup both.  I can't see you being able to restore using the
backup set, unless you are able to delete and recreate from media, like with
k3 DCPROMO.

But Joe, Joe, Lee, Dmitri and Eric are better people to answer...

Hi

basically what Paul said.

In any given config set I would backup two instances (one for DR and one
as insurance against the DR backup).

The DR copy is for total loss of the config set or for authoritative
restore,
if you have branch offices you can also use it to install replicas from
media.

If you lose a member of a config set then just install another ADAM replica
instance (optionally from media). Ideally you would want to run a metadata
cleanup of the failed  instance, unfortunately this can be a little tricky.
Restoring
a backup from one ADAM instance to another should be avoided; it often
works for standalone ADAM instances, for config set members it's unecessary
and (probably) unsupported.

Lee Flight


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