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02-17-2012 01:28 PM
02-17-2012 01:28 PM
Infrastructure & RAID question
Hello,
I am preparing my environment for Hyper-V. We are a relatively small shop. We picked up a P2000 dual controller with 12 1TB disks.
I am virtualizing twelve servers on 3 physical hosts. Each server has dual quad core procs, 32GB of RAM and a total of 8 NICS to be spread between management, VSwitch and MPIO for iSCSI.
My first question is this. Would it be better for me to create 2 RAID-5 Vdisks and provision the servers between those two?
How does this work with HA in Hyper-V? Can I move the VM's to another host that is connected to a different Vdisk?
Can I grow the Vdisk if I add another shelf or to I just setup additional storage within the VM?
Also for example I have a single Exchange Server, can I grow the volume by adding disk from another shelf or do I have to bring in another volume.
I am coming from a smaller VMWare ESX 3.5 setup which had local disk. I am having a hard time wrapping my head around storage best practices for this configuration. Between Multipathing, RAID considerations and dynamically growing the system.
I greatly appreciate any guidance you can provide.
Thank you,
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02-20-2012 12:22 PM
02-20-2012 12:22 PM
Re: Infrastructure & RAID question
Expanding a Vdisk in a MSA2000/P2000 takes a lot of time (talking about days, not hours), but it possible. I usually create a new Vdisk and volumes as required.
Regards,
Sebastian