The major issue is the SPEED of recovery. With a lag site, you ONLY
have to do an authoritative restore (NTDSUTIL).
Without a lag site, you must first restore the AD from backup tape
('normal' restore), which can take quite some time!!!! Then, and only
then, can you do the auth restore.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of TIROA YANN
Sent: Wednesday, May 18, 2005 11:46 PM
To: [EMAIL PROTECTED]; [email protected]
Subject: RE: [ActiveDir] AD DR - replication lag site
Hello,
Thanks for this interesting tips, but i didn't really understand the
"behind the techno" of a lag site in case of just a deletion of an
entire OU with many objects.
For example,if I have AD 2003 domain with 2 sites:
Site A has 2 DCs
Site B has one DC and is the lag site
Between 2 sites, i scheduled repl to appear every 1 week.
In the situation of an OU deletion, i go to the DC i have made the
deletion, and do an autoritative restore in dsmode and after rebbot,
wait for replication to take place in order to repopulate all my domain
with my OU restored. So what will the lag site help me in this situation
?
I can understand that a lag site will help me if all my DCs in site A
crashed. So i would take all informations from the lag site to be
restored in site A such as "copy" my domain from the lag site by doing a
dcpromo /adv, and go my freshly installed DCs on site A, and restored my
whole domain.
However, I think i will have more updated information by restoring from
my yerterday backup than from the lag site...
So, could you help me better understand the behind the techno of a lag
site, i thing i misunderstand something important ;-(
Thank you for your feedback.
Have a nice day :-)
Regards,
Yann
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