Re: Virtualbox images for EM 12c, DataGuard, RAC, GoldenGate / run multiple simultaneous OL5 images on Win7?

For years I've been using OpenFiler on a homebrew box (GB RAM, Intel 
Core2Duo) as my NAS.  Nice, simple, stripped down Linux appliance that 
serves my needs, is open source, and is supportable.  Use that to 
support my OracleVM and RAC lab and demo boxes.  The OracleVM (based on 
XEN, and also free, downloaded from Oracle) runs on Dell Precision 490s 
and T5500s, which can be picked up at a pretty reasonable price, and 
it's all connected using Intel dual or quad GB Nics and 2xLinksys 
SRW2024 GB switches.

For GIS, Oracle Locator provides storage for nearly all commercial and 
open source GIS product, Oracle Spatial (my personal specialty) provides 
many of the analytic functions provided by GIS vendors, Oracle MapViewer 
provides a basic visualization tool.  No input/update tool though.  
Locator is available in every edition of 10gR2 and 11gR2 including 
Express Edition, and Spatial extends that included in Personal Edition, 
or as an option in Enterprise Edition.

A lot of people overlook Personal Edition.  It's a singe-user 
developer's DB, includes all features and enteprise edition options 
except RAC and EM related extensions.  Only available for Windows, 
though.  Target community - developers who actually want to have support 
and perhaps develop things 'right'.

/Hans

On 15/06/2012 5:54 AM, Dana Nibby wrote:
> Thank you Hans and Niall. Lots of great info and resources to process and 
> investigate. I've always loved how open Oracle is with making its products 
> available gratis for learning / educational purposes / professional 
> development. I love GIS technology for example. But the dominant vendor in 
> that space doesn't offer full, free downloads of its software (neither client 
> or server) for professional development / learning. Too little competition? 
> May be time to start looking more closely at Oracle Spatial to keep my 
> geospatial chops current. The other vendor's technology is wonderful. But it 
> seems increasingly less worthwhile to bother keeping current in that space 
> given how difficult it is to access their technology for learning purposes.
> Guess it's also time to build that 6 or 8 core, 16G RAM mid-tower desktop 
> sandbox I'd abandoned in favor of the laptop. More resources to play with. 
> I've seen incredibly good deals lately on this type of AMD-based barebones 
> system (USD ~$400). I really don't need the faster CPU core clock speeds 
> Intel provides. So the AMD systems are just fine as sandboxes. Just need lots 
> of assignable cores and RAM. Had no idea EM 12c was so resource greedy.
>
> For shared disk (RAC), what do folks recommend for a home Oracle sandbox / 
> learning "shop"? I have a 2TB USB 3.0 Seagate Expansion external HD (USD $100 
> @ Target = cheap) for imaging. But no NAS. What's a good value consumer-grade 
> NAS that would be sufficient for RAC? By good value I mean USD ~$200. 
> Preferably a lot less. Don't need lots of space. And performance isn't really 
> an issue here because it's the relative differences in performance I'm 
> interested in (e.g. gaining more tuning expertise, etc).
>
> Hans you wrote:
>> Bare metal?  Do you mean, does it provide it's own Dom0?  Nope.  Like
>> VMWare Workstation, VirtualBox requires a host operating system - Mac,
>> Win or Linux.
> Thanks and yes. I may be thinking of Citrix Xen. Anyone use the free version 
> of Xen for Oracle virtualization in a learning / educational context?
>
> Best,
>
> Dana
> --
> http://www.freelists.org/webpage/oracle-l
>
>
>

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