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Hardware Thread, What to look for when purchasing a Server for ESXi in Technical; Originally Posted by Hightower You generally just need to spec the server for the jobs you need. People are saying ...
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    mattx's Avatar
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    Quote Originally Posted by Hightower View Post
    You generally just need to spec the server for the jobs you need. People are saying lots of RAM, but if you're hosting two servers why do you NEED 64gb RAM? It's a variable and is completely dependant on the jobs you require.

    We bought a G6 - it came with a built in SD card with ESXi on it, so the HDD's are purely for storage of VMs.

    I wouldn't even recommend investing in a SAN setup. If you have scope for one ESXi server then get local storage. If you increase the amount of ESXi servers in the future you can invest in the SAN then and move your local storage accross to it. Buying a SAN for one server to me seems a bit like buying a bakers to feed a budgie.
    We already have the SAN so was thinking of using it - it's a Hitachi SMS 100. How much did you pay for your G6 if you don't mind me asking.

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    Hightower's Avatar
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    Quote Originally Posted by mattx View Post
    How much did you pay for your G6 if you don't mind me asking.
    Not really sure now off the top of my head. £3500 rings a bell (but could be wrong!). That was with 6 x 72gb 15000rpm disks, 32GB RAM, SD card with ESXi image, 2 x Xeons (of some sort - cant remember off top of head) and the usual bumf of redundant PSU and 4 x NICs etc.

    Quote Originally Posted by PeteHopton View Post
    Agree on the SAN to one server point, although my thoughts were around 2 servers and a Starwind SAN for full failover functionality, maybe a step up from what's looking to be achieved.
    For full failover? You'd need a lot more kit than that, starting with an additional SAN, ESX licences, servers/sans distributed in different locations with multiple links - for full failover the list is endless, and the bill is even longer

  3. Thanks to Hightower from:

    mattx (3rd December 2010)

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    Quote Originally Posted by Hightower View Post
    for full failover the list is endless, and the bill is even longer
    I can testify to that....

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    I use XenServer on HP Proliant DL360 G6s, they are Dual Quad Core Xeons (2.4Ghz), 24GB Ram in each, have 4x 10/100/1000 NICs, mirrored SAS HDDs for the Citrix OS and they are connected to my Sun 7110 SAN, this SAN has been running everything on my network in its entirity, all my storage needs are on it (eggs in one basket!).

    My SAN has:
    Roaming Profiles for around 560 users
    Home Areas for the above users
    2 years of Media Studies work (they live encode over the LAN via the SAN and it works! bit slow when you get more than 12 doing it at once now though)
    Shared Areas
    Finance Program Files
    School Image Library
    All the VMs VHDs
    ISO Library for the VMs

    All that is running off it and its great. We have just got an Oracle 7120 to go with it (as we have used nearly half the space on the 7110 now and its non-expandable) so will be having a shuffle round of those items over Christmas, so we will then aim to have just the VMs and the Media Studies on the 7110 to hopefully improve the number we can have streaming and encoding from it to the class size of 20. The rest of the data will move onto the new 7120 unit.

    This has been in-place since this summer just gone and its been a great setup, had its teething issues to start with and still a few bugs (Windows 7 printing grrrr!) but its been a great setup and if we didn't do the Media Studies that way I don't think we would have noticed the slight slow downs we do on performance.

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    glennda's Avatar
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    I currently run around 10 vm's (8 production) using KVM on ubuntu running off an HP DL380 G5 dual quad core with 64gb ram although only 30 ish gb used (extra for running vm's from same spec seperate host in case of failure)

    uses a HP FC MSA2000

    host runs a dream and is quicker then esx!

  7. #21

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    Quote Originally Posted by glennda View Post
    host runs a dream and is quicker then esx!
    citation needed..

    why do you say that?

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    mattx's Avatar
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    Is it me or am I going around in circles on the HP site looking for specs and prices of their kit ?
    All I want is a list of servers they have in regards to virtualization management etc.....

    Balls to them - I'll look at the IBM site instead.

    Found stuff on the IBM site quite quickly:

    http://www-03.ibm.com/systems/x/hardware/rack/
    Last edited by mattx; 3rd December 2010 at 12:47 PM.

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    Quote Originally Posted by Domino View Post
    citation needed..

    why do you say that?
    Google KVM quicker then ESX there are a few different articles out there which have compared them - KVM is less resource intensive and can run 5 vm's to 3 on esx.

    Also the added bonus i you can then use the host for other things if they are non mission critical things (although i wouldnt)

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    mattx (3rd December 2010)

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    Quote Originally Posted by mattx View Post
    Balls to them - I'll look at the IBM site instead.
    I'd look at Dell first.

    R710
    R610
    R510

    Chris

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    mattx (3rd December 2010)

  13. #25

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    Quote Originally Posted by Duke View Post
    I'd look at Dell first.

    R710
    R610
    R510

    Chris
    Asking me to login - never mind.

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    Duke (3rd December 2010)

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    Weird, you can access those pages if you navigate through their site, but if you go directly to them it'll ask you to login.

    Here's links that should work, if you click the 'Customise & Buy' link on those pages you'll go to where my original links went. Sorry about that.

    R710
    R610
    R510

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    mattx (3rd December 2010)

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    I have some R710s running esx, very pleased with them. Get the drac if you get the dells. I have a new SAN based on HP server hardware (their P4300G2), performance is fine, software is fine, hardware is disapointing - very loud fans etc). I doubt I'd buy any HP servers again.

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    mattx's Avatar
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    Thank you all so far for what you have given me in advice etc - will be spending quite a great of time next week now deciding on what to get - I'll do my usual of over specing it by a factor of x10 to the Bursar etc and ending up what I wanted to start with. Anyone else do that ?

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    Lordy, been playing around in the customize your dell part......not a good idea......

  20. #30
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    Quote Originally Posted by mattx View Post
    Lordy, been playing around in the customize your dell part......not a good idea......
    Haha, been there many times... The spec I posted earlier is pretty spot-on for virtualisation (adjust RAM as needed), my actual quote included the DRAC as well. Don't deal with Dell directly for sales, PM me if you want a really good reseller.



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