The hot backup is now configured, and will receive settings changes
and newly walked pages going forward. No walks should be performed
on the backup machine - indeed, we disabled them - nor should
settings be further modified on it, as it is receiving both from the
main machine automatically.
Since only changes to settings will be propagated by
replication, any pre-existing, non-replication System-Wide Settings
(e.g. HTTPS settings) on the main machine should be copied - just one
time, now - to the backup machine to ensure it is in sync.
More importantly, if there are pre-existing profiles on the main
machine, they must be propagated now. Otherwise future changes to
those profiles will not propagate (and may cause replication to
stall). This can be accomplished with the following steps:
Go to System → System Replication
→ System Replication Target Status on the main
machine: its current profiles will be listed, as well as whether
they exist on the backup machine.
If any profiles are not shown as "ok", they do not exist on
the backup machine: they should be copied now, so that future
changes and walks propagate. Simply hit Create Missing
Profiles at the bottom of the page, and all these profiles'
settings will be queued for replication to the backup.
Re-visit the System Replication Target Status page in a
few minutes to verify this: all profiles should eventually be
"ok" under the backup machine column.
The (previously missing) profiles' data should be copied too.
This step can be skipped if those profiles will all be doing New walks in the near future on the main machine, as the data
will be copied then. However, if Refresh walks are being
used, or walks are rare, or simply to ensure the data is backed
up now, the data can be propagated manually:
For each (previously missing) profile, choose that profile
from Profiles.
Go to Tools → Replication Tools,
choose the backup machine under Send Profile Data, and
hit Send Data.
Wait for that profile's data to be sent - large walks
can take a while - before proceeding to the next one: the
status can be seen under the View Replication Status
link; wait for it to become empty.
Repeat for other profiles.
This System Replication Target Status check can be occasionally
performed in the future to ensure all profiles exist on the backup.
However, it should not be needed past this initial setup stage, as
new profiles (created after system replication is active) will be
created automatically on the system replication target(s) configured
earlier.
