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Enterprise Software Thread, WSUS as a VM in Technical; Hi all, Just about to build a VM of WSUS on Hyper-V r2 and wondering what your opinions are: I ...
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    WSUS as a VM

    Hi all,

    Just about to build a VM of WSUS on Hyper-V r2 and wondering what your opinions are:

    I normally use a fixed size VHD for say SQL applications and a seperate OS VHD, but what would you do for a WSUS as a VM for serving around 500 PCs?

    Would you stick the whole lot OS and all, into a standard dynamically expanding disk upto 127gb, up seperate them out?

    It will be running win 2008 r2 x64.

    Cheers all.

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    jamesfed's Avatar
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    Personaly I wouldn't ever use dynamically expanding VHDs for anything production related (I think its best pratice as well to only used dynamic for testing purposes only).
    For drive capacity even a well stocked WSUS database+update store won't chew through that many GB anyway.

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    MrWu (7th February 2012)

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    AngryTechnician's Avatar
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    It's always good practice to separate your OS install from the data part of the server. If the OS is on a separate disk/partition, you run much less risk of the server being crippled if the data store unexpectedly fills the allocated space.

    Definitely fixed size for the OS, though I think you could get away with dynamically expanding for the WSUS data store. I would only do it if you are pushed for space on the host though, and even then you will need to be careful about it not expanding too large.

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    salan's Avatar
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    I used to use fixed size vhd's, but I read (somewhere on the VMWare site) that the concensus now is that thin disks (variable)are actually better now.
    Could be wrong, but to be honest I have not noticed and real performance dif.
    Alan

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    if its only wsus dont see the need for a 2nd data drive whats the worst that can happen if it dies you lose updates for a day or so while you rebuild?

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    gshaw's Avatar
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    Using thin disks for it on VMWare - works fine

    Not sure how clever VHDs are compared to VMDKs when used thin though...

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    AngryTechnician's Avatar
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    Quote Originally Posted by sted View Post
    if its only wsus dont see the need for a 2nd data drive whats the worst that can happen if it dies you lose updates for a day or so while you rebuild?
    Why waste that time? Having a second disk isn't exactly onerous.

    Also the rebuild time will depend on how complicated your WSUS structure is. I have 20+ computer groups set up and all our software installs done through WSUS using Local Update Publisher, so I would haver to recreate all of those too (along with the correct approvals).

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