Exchange 2007 CCR Cluster Disaster Recovery to Remote Site

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This video demonstrates how Double-Take Availability 5.3 can protect an Exchange 2007 CCR Cluster by replicating the information stores to a remote Exchange installation (either clustered or standalone).

This video shows step by step configuration, the protection process, then demonstrates a cluster failure (each node is powered off). Double-Take Availability is used to fail over to the remote Exchange Server.

This video also shows the Fail-back procedure. The CCR cluster nodes are restarted & Double-Take Availability is used to re-synchronise the cluster nodes - while users are still online & connected to the DR server. Finally the "Fail-back" is completed & the users re-connected to the original cluster.

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Closed Caption:

protection on exchange 2007 CCR cluster
CCR clusters called continuous close to
replication provides a perfectly valid
way
to protect and Exchange server
locally however it doesn't really give
you a volleyed
option to get the data outside the
building and easily failover
your exchange organization
and very easily falei back
so this is what double-take availability
comes into the equation
very very easy to protect an existing
cluster
or stand-alone Exchange Server to remote
sites
and very very easy to failover and
failed black
with very little impact on users of a
little down time
to start with i five
virtual machine desktops on my large
display I have
a to note CCR cluster running Exchange
2007
the active node is ceased CN
11 and us know DC and 10
accused the exchange management console
to view the exchange cluster
I can see I'm only clustering the
mailbox role it's the only role you can
install on a close to
I love the second exchange cervical EX
lawn
which is gots the whole Transport role
client access rule
and mailbox role this is actually
showing you now
EX on you can see the exchange services
they're listed on the
currently running EX one is a different
subnet
too close to sons to do an IP config
agencies tend
10 to 11 and if I pinged the exchange
close to
conceit is tender 10
10 switch on different subnets and
protect the
CC acosta to remote sites moving across
my desk top you can see I have a Windows
7 client machine which is
burning outlook and I'll used to doing
testing throughout the
demonstration discs and the quickest
email is demonstration of the cluster to
pay for the
cluster is actually working after a few
seconds to
email should appear in my inbox finally
the last machine
I'm using is a double-take Management
Console
I'm using this: exclusively to remind
double-take
tools not configured protection and we
can see I have
3 servers with double-take installed
both nodes in the cluster
see n10 and see and 11 and
the Exchange server EX one before
configuring protection I'm going to
verify that I can move my close to
resources from one note to the other
just consider cluster move on the
resource group
so this will move the exchange resources
from
CN 11 to see and 10 and the users
shouldn't
experience any down time whatsoever with
thats
move I'll to send another test email to
verify the exchanges functioning
I can see that the emails arrived
and so it exchange the cost appears to
be working normally
and it's used a double take console to
protect the exchange cluster and it's
used to get started with it
slate double-take availability and say I
wish to protect
application this election launch
double-take availabilty
application manager me choose my
exchange cluster
as my source my credentials to log on to
the server which is the
administrator counsel to the main in
this case
slit my target server which is Exchange
Server the stand-alone Exchange server
called
EX 1
step three is to configure protection
here I can choose the type the failover
only DNS failover supported when you
protecting a close to
I can also choose which services I wish
start and stop during the failed the
process
I can add additional services if I wish
if I
which at maybe a am anti-virus scanner
I could at that service inside a list it
is available
I need to configure my DNS failover
the source and target
DNS servers have been detected in
they'll be updated on
automatically by double-take on failover
i cant use my source
my target IP mappings notice the source
IP is the same as the cluster
I P address I need to update my TT elks
I don't want
along and DNS failover
timeout delay 13 failover clients to
quickly
get the new DNS records a test my DNS
configuration
and verified I can't communicate with
the Active Directory domain controllers
that ring TNS
the most ring top allows me to enable
monitoring
or enable automatic failover all manual
intervention
usually for a protection I'll to remote
sites
monuments pension will be the court
recommended approach
i cant use my type monster either
monster the
the network but basic pinging the source
server on one ish double-take service
I can specify the monster in school
unfairly accounts this will determine
the number of seconds before
a failover condition is identified and
reported
or automatic failover is configured
the team number a second before
automatic failover occurs
actions have less which use options
about the connection I can routes to
particular IP address
Oregon select storage group so as to
protect
or I can't dish additional folders files
and folders to replication City I wish
to
ag's to Mira type full
checks in with the only supported types
for exchange I can enable compression
and there are three levels of
compression natie flee with double take
compression is always a trade off
with CPU foresees bandwidth
the Advanced tab allows me to make
changes to the default configuration
I can modify failed the scripts fail
back scripts and restore scripts I wish
to
for this demonstration I'm not going to
make any changes here
and can't accept the defaults I can also
invoke a Active Directory replications
force a teacher education on failover
I'm gonna change the default time
to down to three minutes this
demonstration
configurations complete I need to
validate the configuration
double say he's going to take a look at
the source Exchange Server
another target Exchange Server verify
that they are compatible
and suggest any changes that need to be
made
in order to make them compatible for
exchange there will always be some
changes that need to be made
look lik double-take rides
a fix all Boston which fixes
ninety percent of configuration issues
once the fixed all began has been used
the configuration will be validated
gain and any further configuration
issues will be reported
hear the warning about the SNTP cue
can be safely ignored
final step is to enable protection
double-take is going to create the
replication sets
containing the Exchange database is
locked files
and it's going to create the connection
between the source
on the target server
finally TT will create a service
on the target Exchange Server which will
monitor the
source Exchange server for time and
report
if there is a failure all in token
automatic failover
if that has been configured
once the data has been see Christ
between the source and target servers
the mirror become idol will continue to
replicate
and Exchange servers protected we can
now see that we are protected
station statuses protected we could
failover gracefully at any time
for school and went to just
have a look at the close to I can see a
DT connection
we should take double take cluster
resource that's been created
fine move the h/d exchange
resource group again we'll see the
resourceful come online weekend from the
new active node I'm now ready to
test a failure so before I do this I
meant to send a
and email as soon as this email arrives
in my
inbox I'm into power of both nodes in
the
close to diesel cause a close the
failure
the user will be disconnected from
exchange
will have to failover using double take
both close
notes have now been turned off the
clusters failed which launched
double-take application manager
online double-take Munchen server stews
my
targets server which is EX warm me it
prompted
the failed conditions be met with I
liked failover yes
this will involve the failure process
the failure process is going to ask us
if we want to initiate
def graceful or an immediate failover
an institution immediate failover in
this case there's nothing in my queue
I've fail my close to the failed the
process is going to run a script
which will stop the exchange services on
the target service
and will update active tear a treaty
change the user
attributes two-point their mailbox
location
%uh the target server States is now
failed over
returning to my Outlook client sconce
send a test email
verified that everything's working there
you go
the email has arrived failed the most
successful
the beauty about double-take for
protecting exchange
in fact protecting anything with it with
TT 5.3
is that we can fail but very simply
I'm gonna start up the exchange just the
notes
and I'm going to go into Costa manager
you can see that most resources in the
close to have failed
because the network name has been taken
is assigned to another machine
going to click the fail
back Boston this will bring up the
failed back options I can choose if I
wish to restore the data
Oregon she's not restore the data for
instance if I'd done a
test failover I can choose a little
compression to use
and I can choose what he's a full our
checks Amirah the main benefit is a huge
benefit or other
double-take is that we do not need to
replicate the entire Exchange database
back
just the changes that have been made
while we were in
Dr your the huge benefits is that
the exchange uses stay on line connected
to the Dr's
server during the restoration process
so failing back
is a two-stage process for small we
restore the data
just the changes that needed and then we
redirect the user is back to the
original server
no we don't need to complete the failed
back
process until we're ready so we can
restore
the data keep the date insane values
still connected to Dr server and only
when we're ready maybe the weekend
we can finalize the fail but process
relocate uses
back to the original production server
in this case I did fell back
mediately and surely will CD close to
resources come online
for the you can see the close to
resources starting
at the the exchange close to resources
on now online and all we need to do now
is wait
for outlook to realized
the user's mailbox is back online is
back on the original server
and take the fail bucks been completed
they go outlook is prompting the user to
restart outlook
and we've done that and the process is
completed
final thing to do is to
reestablish protection so click the
Enable protection person which'll
tasted the validation process and civil
be protected again
one last thing to look at his target
state verification
this is a mechanism that allows you to
mountains
the target replica database verify
consistency and on do that process
without
impacting on your protection status used
the Tools menu to select verify target
data
this will take a snapshot of the replica
databases
and mount my snapshot when you complete
click Continue the snapshot will be
reverted
and the civil continue to be protected
two key test we're looking for here is
the ability to mount the database to
mount the replica database
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