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SAN Copy Alternative for Hyper-V Cluster
Dears
Would appreciate if somebody could answer the below queries
In our environment we have the AX4 5i and it is connected to a Hyper-V cluster (2 Windows 2008 nodes) running Exchange ,SQL and Sharepoint VM's We are installing the VNX 5100 with the intention of migrating the old data from AX4 to VNX But the problem is that I cannot perform the online method due to
- No licenses were purchased for Unisphere Manager and SAN Copy for AX4
- No free space on AX4 to create the RLP on AX4
Again on Pull Method
- The Duration taken was almost 3- 4 days whereas which the duration exceed the planned downtime.
Hence can anybody advice whether we could opt for a Host based Migration Technique and if so what are the licenses options involved?
Regards
Muralee
dynamox
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September 1st, 2013 05:00
PowerPath Migration Enabler (using PowePath 5.7SP1 which allows for online migration of clusters). If you are running a licensed version of PowerPath, PPME license is free of charge.
Roger_Wu
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September 2nd, 2013 18:00
You're using Hyper-V, have you tried its Live Migration? It should be designed to have no downtime.
dynamox
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September 2nd, 2013 19:00
Hyper-V 3.0 (Windows 2012 server not in Windows 2008)
Muraleedaran
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September 2nd, 2013 21:00
Dear All
Thanks for the reply.
Dear Roger
If I am planning to use Hyper-V based live migration on this cluster can you elaborate the steps I should follow
dynamox
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September 2nd, 2013 22:00
are you using PowerPath ? If yes upgrade to 5.7SP1 and use PowerPath Migration Enabler to migrate everything online.
Muraleedaran
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September 2nd, 2013 22:00
Dear Dynamox
Yes I am using the Powerpath for AX4
OR
Can I do the following
- Present the new LUN's to the cluster servers
- Copy the data from old lun's to new luns' from windows explorer.
Roger_Wu
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September 2nd, 2013 22:00
Well, dynamox is right, the Hyper-V on Windows 2008 does not support Live Storage Migration, a new Hyper-V 3.0 feature. But it still support Quick Storage Migration, althought it has several minutes downtime.
System Center Virtual Machine Manager 2008 R2 - Quick Storage Migration - Windows Virtualization Team Blog - Site Home -…
Storage Migration Type
Platforms available on
Technology used for transfer
Expected downtime
Storage vMotion
Quick Storage Migration
(2008 R2)
But QSM is only available on System Center Virtual Machine Manager (SCVMM) . You may also refer to the above link for the details.
dynamox
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September 2nd, 2013 22:00
not with VMs running you can't. If your PowerPath is licensed, you are eligible for the free license for PPME (PowerPath Migration Enabler). One caviat to migrating MCSC clusters without downtime is you have to run PowerPath 5.7SP1.