You could have a server with windows on hand and rename it. You'd still
need to install Exchange at that point and then restore the databases to
that server. That's certainly an option in many scenarios. 

Last restore I did using this technique took about 8 hours though due to
the replay time from tape (hence my penchant for backing up to disk and
then to tape). 

Testing this to a. verify your backups are good and b. understand what
your realistic RTO is with this technique would be an excellent idea. :)


-----Original Message-----
From: Mike Anderson [mailto:[EMAIL PROTECTED] 
Posted At: Friday, March 12, 2004 5:29 PM
Posted To: swynk
Conversation: Exchange 2003 (mirroring and/or failover options)
Subject: RE: Exchange 2003 (mirroring and/or failover options)

Thanks both of you - those were both excellent answers!

Overall, wouldn't you say, that the most prohibitive part of Exchange
Restores, is Active Directory - and the fact that you simply can't
"Plop" in another server, to assume the old one's role?  (unless you
Ghosted the original one, so the Domain Controller wouldn't know the
difference)

Aren't Machine Names, SID's, etc. the biggest things keeping you from
simply copying the Mail Store from the old Server (assuming you have it
mirrored somewhere) to a new one that you have as a stand-by - and
firing it up on the network?  Also, if I heard right, don't SID's change
from time to time?  If that is true, then a Ghost backup made a few
weeks or months back, would not restore a machine to it's true 100%
operational state would it?  Could somebody clarify that for me?

Unless I am totally off here - these seem to be the largest issues - and
I would love to be corrected and educated as to this whole process.

Presently, I back up our ENTIRE message store every night, using Veritas
Backup Exec.  It's a wonderful system - but I have to be honest with you
all, I've never attempted to recreate a disaster recovery scenario - in
which I took one of our actual backups, and performed a sample restore -
just to see if this whole thing works in real life.

I know - this probably isn't the smartest way to perform my
Administrator duties - and would like to get a better handle on if we
are truly protected.  We go 14-days back with our backups - so we have 2
weeks to pick from - if we wanted to pick any particular date...

Again, any additional comments would be massively appreciated.

Thanks,

Mike

-----Original Message-----
From: Chris Scharff [mailto:[EMAIL PROTECTED] 
Sent: Friday, March 12, 2004 2:43 PM
To: Exchange Discussions
Subject: RE: Exchange 2003 (mirroring and/or failover options)


Exchange 2003 introduces the concept of recovery storage groups. The
utility of recovery storage groups is IMNSHO somewhat limited and there
are only a few scenarios where I think the benefit is anything more than
marginal. Sometimes marginal is a calm port in a storm, but I haven't
used it as a solution of first resort in any of the DR scenarios I've
worked on lately. Still, it's an additional tool one should be aware of
and put in their toolbox.

You can also look at snapshot technologies and backups to disk as ways
to further reduce restore times. As databases grow, anything you can do
to speed the process of restoring a database can make a huge difference
in the RTO.

There are still a number of products which promise real-time replication
of Exchange data (generally at the byte level). I'm admittedly biased in
my experience in and around such solutions, so I'll just let others tout
their success stories with such products and keep my opinions to myself.
<g> 

<vendor plug>
Our EMS solution allows for immediate failover (less than 2 minutes) for
some or all of your Exchange environment to an alternate messaging
system in the event of a server failure or other disaster. 
</vendor plug>

There's a strong push for more robust failover in Exchange and I know it
was top of mind for the Exchange team as they started working on the
next version. Since this next version will likely involve some major
rewrites, it's very possible a more robust solution may be on the
horizon.

-- 
Chris Scharff
MessageOne

-----Original Message-----
From: Mike Anderson [mailto:[EMAIL PROTECTED] 
Posted At: Friday, March 12, 2004 1:37 PM
Posted To: swynk
Conversation: Exchange 2003 (mirroring and/or failover options)
Subject: Exchange 2003 (mirroring and/or failover options)

Hello All,

I know this topic has been often discussed in the past, in hopes of
finding a way to either reduce downtime due to a catastrophe, or
eliminate one altogether - due to proper planning, the right hardware,
etc.  As of that time, there were still no real options, that would be
totally self-sustaining (in order to avoid the famous 2am phone call).
There was still a lot of legwork required, getting backups together,
etc.

Now with Windows 2003 Server combined with Exchange 2003, are there NOW
any options available to people, that will provide real-time mirroring,
or some type of failover - in which the downtime would be practically
eliminated (if not radically reduced)?

I know some wonderful people on this list (and one in particular comes
to mind) have published whitepapers on how to prepare yourself for
disaster recovery, in which steps could be taken to get you back on
track quite quickly.

With all that said, what is available (either hardware, software or
both) on the market that can radically minimize the downtime of an
Exchange 2003 Mail Server.  My top preference, would be to mirror the
server, or at least have a real-time copy of the mail store, so one
could get back up and running ASAP.

Thanks in advance for any information offered,

Mike


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