Data Cluster only configures a persistent data volume and SGE.  Galaxy Cluster 
includes a running Galaxy instance in addition to the persistent data volume 
and SGE configuration components from the Data Cluster option.  The Galaxy 
Cluster option is what most users will probably want to choose.

How much space is absolutely dependent on your needs.  Keep in mind that you 
can increase size later if necessary via the admin UI.  The maximum volume size 
(per an amazon limit to EBS volume size) is currently 1TB.

-Dannon


On Jan 10, 2012, at 2:42 PM, mailing list wrote:

> Hi guys,
> 
> When I first go to my cloudman page at <public dns>/cloud I get a
> dialog asking for some settings.
> 
> What does the Galaxy Cluster choice do?  What does the Data Cluster
> choice do?  Why can't I choose both?  How much space should I
> allocate?
> 
> Thanks,
> 
> Greg
> 
> Text of dialog:
> 
> Galaxy Cluster: Galaxy application, available tools, reference
> datasets, SGE job manager, and a data volume. Specify the initial
> storage size (in Gigabytes):
> GBOK
> 
> Share-an-Instance Cluster: derive your cluster form someone else's
> cluster. Specify the provided cluster share-string (for example,
> cm-0011923649e9271f17c4f83ba6846db0/shared/2011-08-19--21-00):
> Cluster share-string
> 
> Data Cluster: a persistent data volume and SGE. Specify the initial
> storage size (in Gigabytes):
> GB
> 
> Test Cluster: SGE only. No persistent storage is created.
> ___________________________________________________________
> The Galaxy User list should be used for the discussion of
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> 
>  http://lists.bx.psu.edu/listinfo/galaxy-dev
> 
> To manage your subscriptions to this and other Galaxy lists,
> please use the interface at:
> 
>  http://lists.bx.psu.edu/

___________________________________________________________
The Galaxy User list should be used for the discussion of
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at usegalaxy.org.  Please keep all replies on the list by
using "reply all" in your mail client.  For discussion of
local Galaxy instances and the Galaxy source code, please
use the Galaxy Development list:

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To manage your subscriptions to this and other Galaxy lists,
please use the interface at:

  http://lists.bx.psu.edu/

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