[plug] SAN Advice

Nathan Alberti nalberti at gmail.com
Fri Oct 26 10:02:30 WST 2007

Great info , just missing your current and projected data size requirements.

On 10/26/07, Mark Slatem <slatemfam at optusnet.com.au> wrote:
>  Our Budget is Max $25k, at the moment we have 3 x VMware ESX Servers with
> each hosting 6-8 VM's. In the near future we would like to add a dedicated
> box for Xen VM's as well, the rest of the rack consists of 4 Linux servers
> and 2 Windows (exchange + Blackberry). IMHO we are not running any really IO
> intensive applications on any of our VM's at the moment, but we do have a
> plan to create an additional Linux VM as a secondary mail server running
> exim, clam, mailwatch, mailscanner, and writing all to a MySQL Database, our
> current load on the mail is around 15 000 - 20 000 messages a day.
> Our requirements are:
> 1 - Enable running virtual machines to be stored on storage device with
> adequate performance between host server and storage device.
> 2 - Ability to move running VM's off a Baremetal ESX/Xen Server onto the
> storage device temporarily should an ESX server need to be brought down for
> maintenance or fail etc.
> 3 - Serve as a backup device for remaining servers in rack.
> 4 - As much bang for the buck! disk storage capacity as possible that
> budget allows.
> 5 - would be nice if solution could scale easily as demand for capacity
> grows.
> On Fri, 2007-10-26 at 09:16 +0800, Nathan Alberti wrote:
> What product are you using for virtual machines ?
> I would suggest if you are "small budget" then a FC SAN is pretty much out
> so for VM's that leaves you ISCSI or NFS, both will give you good
> performance over GigE however (depending on the storage you decide to go
> with) NFS may give you some more flexibility at the filesystem level.
> Give us a better idea of your budget and your use case.
> Nathan.
>  On 10/26/07, *Mark Slatem* <slatemfam at optusnet.com.au> wrote:
>  Paul,
> Thanks for the advice and the link you provided. The inquirer url shows
> the exact device we have been quoted on, the given price includes 1 x 100GB
> and 6 x 750GB Seagate SATA Drives. At the moment we are undecided on the SAN
> VS NAS, what is your opinion on both considering we want to run virtual
> machines on them. Also if we went for the "Intel Storage Creek 2" what OS
> flavor would you recommend?
> Mark.
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