[plug] SAN Advice

[Mark Slatem]

Oops, we initially need at least 3 Terabytes.

On Fri, 2007-10-26 at 10:02 +0800, Nathan Alberti wrote:

> 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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>         Committee e-mail: committee at plug.linux.org.au
>         
> 
> 
> 
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