[AccessD] Syncing Virtual Machines

I don't know the details, but in our environment we have two servers
running off the same SAN in a failover cluster.  They have to be
configured as active and failover and may require an enterprise version
of SQL?  It also allows us to do upgrades to each machine while the sql
instance keeps on running.

I found this link for more info:

http://msdn.microsoft.com/en-us/library/ms189134.aspx

HTH

Rusty

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of jwcolby
Sent: Tuesday, October 25, 2011 6:08 AM
To: Access Developers discussion and problem solving; VBA; Sqlserver-Dba
Subject: [AccessD] Syncing Virtual Machines

I have a virtual machine server (Colby-VM) and last weekend I rebuilt
that machine - new motherboard / memory in preparation for a faster CPU
etc.  I store all my stuff on a RAID array on a dedicated controller,
and which survives nicely across upgrades so I got lazy and did not
backup.  (almost) Everything that could go wrong did and by the end of
the experience I was sweating bullets about whether I was going to find
one of my critical VMs.

I did get all the VMs back, but this brought me to the question of how
the pros migrate machines from server to server.  My SQL Server (Azul)
has Windows 2008 with Hyper-V installed and I am wondering how to cause
a VM to be kept synced on two servers so that it can just fire up and go
when the usual VM server has to be brought down.  Hyper-V has an "export
/ import" but that takes a loooong time to perform.

Is anyone out there involved in this stuff and do you have any answers
to this problem?  I would love to be able to just shut the machine down
on one server and bring it up on the other.  My impression is that it is
possible to migrate without even shutting down the VM.  How is this
magic done?

--
John W. Colby
Colby Consulting

Reality is what refuses to go away
when you do not believe in it
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