Migrate from Existing SQL 2008 R2 Failover Cluster (Rackspace) to new offsite SQL 2008 R2 Cluster (our own cloud)

I have an existing cluster sitting in Rackspace. We have a new co-location with its own SAN that we want to migrate everything over to. Now, if we were keeping the SAN active in Rackspace, this wouldn't be an issue and I'd just add two new nodes to the cluster
and take down the two old nodes, but I need the data shipped to the new SAN so everything in Rackspace can be turned off. VPN is configured between sites (500mbps pipe), so bandwidth isn't a problem.
Should I be adding new shared storage to the existing cluster, replicate to that, turn off the old shared storage, then add new nodes and eventually disable old nodes? I'm trying to do this with the least downtime.
The picture can best be described as this (very simplified)
RACKSPACE CLUSTER - on its own SAN
Node 1: SQLSERVER1-RACK
Node 2: SQLSERVER2-RACK
SQL Server Name: SQLSERVER
NEW CLUSTER - on its own SAN
Node 1: SQLSERVER1-NEW
Node 2: SQLSERVER2-NEW

while this might be doable using SQL Server replication, log shipping is best on a continual basis, or use a backup restore for a one time copy.
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http://www.amazon.com/Microsoft-Server-2008-Management-Administration/dp/067233044X looking for a book on SQL Server 2008 Full-Text Search?
http://www.amazon.com/Pro-Full-Text-Search-Server-2008/dp/1430215941

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Using MA to migrate from a G5 running 10.4.11 to a new iMac running 10.6.2

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see this link for details on that
http://discussions.apple.com/thread.jspa?threadID=435350&tstart=0
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Hello experts,
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Hello experts,
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reference - http://download.oracle.com/docs/cd/B19306_01/rac.102/b14197/adddelunix.htm#BEICADHD
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http://dbathoughts.blogspot.com

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Hello All ,
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Migration from the older version of the JHeadStart to the newer version

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Hey MacSurvivor!
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'Virtual Machine Configuration DEVDB1' failed to register the virtual machine with the virtual machine management service.
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I think i found at least part of the problem but i'm not sure. My new VM's configuration files and directory are called this.
D79490DB-48F9-40A4-9540-53F2532D3F7F
D79490DB-48F9-40A4-9540-53F2532D3F7F.xml
Not 62AAD2B5-8E03-4B59-84E0-D52CBF36934B
Still not sure what to do about that though.

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Confirmed Bug? anybody else having this issue?
What would be different for this process between a user who was migrated from a previous version like 2010 compared to a newer user who has only ever existed on 2013?

What if the migrated 2010 users are in the same DB as the system mailbox? I had a similar issue during a migration; http://www.skypeadmin.com/2014/11/10/known-issue-um-automated-attendant-tui-editing-broken-migration/
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question please click "Mark As Answer".
SWC Unified Communications
This forum post is based upon my personal experience and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

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Migrate from Existing SQL 2008 R2 Failover Cluster (Rackspace) to new offsite SQL 2008 R2 Cluster (our own cloud)

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