Also, if we are good with Edison merging my code into his branch before
going into master, I am good with that.

We can remove the StoragePoolType.Dynamic code after his merge and we can
deal with Burst IOPS then, as well.


On Mon, Jun 10, 2013 at 9:08 PM, Mike Tutkowski <
mike.tutkow...@solidfire.com> wrote:

> Let me make sure I follow where we're going here:
>
> 1) There should be NO references to hypervisor code in the storage
> plug-ins code (this includes the default storage plug-in, which currently
> sends several commands to the hypervisor in use (although it does not know
> which hypervisor (XenServer, ESX(i), etc.) is actually in use))
>
> 2) managed=true or managed=false can be placed in the url field (if not
> present, we default to false). This info is stored in the
> storage_pool_details table.
>
> 3) When the "attach" command is sent to the hypervisor in question, we
> pass the managed property along (this takes the place of the
> StoragePoolType.Dynamic check).
>
> 4) execute(AttachVolumeCommand) in the hypervisor checks for the managed
> property. If true for an attach, the necessary hypervisor data structure is
> created and the rest of the attach command executes to attach the volume.
>
> 5) When execute(AttachVolumeCommand) is invoked to detach a volume, the
> same check is made. If managed, the hypervisor data structure is removed.
>
> 6) I do not see an clear way to support Burst IOPS in 4.2 unless it is
> stored in the volumes and disk_offerings table. If we have some idea,
> that'd be cool.
>
> Thanks!
>
>
> On Mon, Jun 10, 2013 at 8:58 PM, Mike Tutkowski <
> mike.tutkow...@solidfire.com> wrote:
>
>> "+1 -- Burst IOPS can be implemented while avoiding implementation
>> attributes.  I always wondered about the details field.  I think we should
>> beef up the description in the documentation regarding the expected format
>> of the field.  In 4.1, I noticed that the details are not returned on the
>> createStoratePool updateStoragePool, or listStoragePool response.  Why
>> don't we return it?  It seems like it would be useful for clients to be
>> able to inspect the contents of the details field."
>>
>> Not sure how this would work storing Burst IOPS here.
>>
>>  Burst IOPS need to be variable on a Disk Offering-by-Disk Offering
>> basis. For each Disk Offering created, you have to be able to associate
>> unique Burst IOPS. There is a disk_offering_details table. Maybe it could
>> go there?
>>
>> I'm also not sure how you would accept the Burst IOPS in the GUI if it's
>> not stored like the Min and Max fields are in the DB.
>>
>
>
>
> --
> *Mike Tutkowski*
> *Senior CloudStack Developer, SolidFire Inc.*
> e: mike.tutkow...@solidfire.com
> o: 303.746.7302
> Advancing the way the world uses the 
> cloud<http://solidfire.com/solution/overview/?video=play>
> *™*
>



-- 
*Mike Tutkowski*
*Senior CloudStack Developer, SolidFire Inc.*
e: mike.tutkow...@solidfire.com
o: 303.746.7302
Advancing the way the world uses the
cloud<http://solidfire.com/solution/overview/?video=play>
*™*

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