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On Mon, Feb 1, 2016 at 6:49 PM, Dilip Sunkum Manjunath <
Dilip.SunkumManjunath at toshiba-tsip.com> wrote:

> Hi all,
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> *Use Case : *
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> *Step 1*
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> §  I have multiple backend pools,
>
> §  Updated the get_volume_stats() method to hold the pools information
> returned from storage API’s
>
>
>
> Sample log :
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>
>
> *[{'pool_name': '0', 'total_capacity_gb': 838, 'QoS_support': False,
> 'thick_provisioning_support': True, 'reserved_percentage': 1,
> 'consistencygroup_support': False, 'thin_provisioning_support': True,
> 'free_capacity_gb': 83.79999999999995}, {'pool_name': '1',
> 'total_capacity_gb': 1126, 'QoS_support': False,
> 'thick_provisioning_support': True, 'reserved_percentage': 1,
> 'consistencygroup_support': False, 'thin_provisioning_support': True,
> 'free_capacity_gb': 67.56000000000017}]*
>
>
>
>
>
> *Step 2*
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> ·         In Create volume method am reading the pool information as
> storage api need pool info(on which pool in need to create)
>
> ·         Like pool_id = volume_utils.extract_host(volume['host'],
> level='pool') by making use of below import
>
>
>
> from cinder.volume import utils as volume_utils
>
>
>
> *Problem am facing is:*
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>
>
>                                                 The scheduler is not
> always picking the free pool which has space, it returns the pool which
> don’t have space.
>
>                                                 I came to know when I
> printed the volume['host'] and above pool id.
>
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>
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>
> Is there anything else I must do? Please suggest.
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> Thanks
>
> Dilip
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> ​Sounds like this is in reference to a new driver that you're working on?
Any chance you can share a link to either a patch in gerrit or the code on
Github?

John​
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