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Thin Client and Virtual Machines Thread, 2x hyper-v plus switch plus san in Technical; Hi guys, we've just had our hardware arrive for our new hyper-v environment, I was just wondering if people could ...
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    2x hyper-v plus switch plus san

    Hi guys, we've just had our hardware arrive for our new hyper-v environment, I was just wondering if people could check over what i'm going to do- and make any suggestions - not relating to the vm's themselves but to the actual configuration of hyper-v the servers, san and switches

    Servers:
    2 x Dell Poweredge R610 - 2 x x5650 processor (6 cores each - 2.66ghz)
    32gb ram (ddr3 1333mhz
    2x 4port nics totalling 8ports one broadcom one intel
    redun power
    2 mirrored drives (not that important)

    SAN Switch
    D-link DGS-3024

    SAN
    Dell MD3200i - dual controllers (4ports per controller) 12x 450gb 15k drives

    ---------------------------------------------------

    Network linking

    each server will have 4 ports to the san switch and 4 ports to the main network (link aggr)
    the san will have all 8 ports to the san switch (link aggr)

    the SAN environment will operate on a different ip range to our main network, so we will have 172.16.*.*(main network) and 172.15.*.* (SAN Network)

    Server OS

    have installed Server 2008R2 with Hyper-V installed as a role on both machines which will connect to an ISCSI LUN to store VM's. We will also be using SCVMM to manage this environment.
    ----------------------------------------------------------

    any feedback would be much appreciated.

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    steve's Avatar
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    It really depends on if you intend to use failover clustering. If you are you might need a small rethink.

    We use failover clustering and use 10 ports per production server. The extra two are for heartbeat of failover and hyper-v management.

    SCVMM also needs to be part of a domain, which means your hyper-v servers need to be in a domain (member servers at least).

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    teejay's Avatar
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    Spec looks fine, the only thing I would possibly do if you have the budget is change the dlink switch for a Cisco as they allow much more fine tuning of the link aggregation. I'm a big fan of HP Procurve switches, but have really found their limitations on link agg when using for virtualisation. Have tried other switches as well, same sort of problems. A poor performing switch between your SAN and VM hosts can really stuff things up.

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    yes, we already run a 2003R2 domain which is gradually going to be moved up to 2k8r2 although domain controllers will stay physical.

    also with scvmm, should it be installed onto one of the hyper-v servers or a seperate server? I dont have the documentation with me at the moment as i'm at home, but I guess thats something to consider.

    oh and we have reached the ends of our budget having just had to replace our core switch (8+ years old) with a brand new swanky 3com unit 4800g sfp I think.

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