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<p class="MsoNormal"><span style="color:#1F497D">Does it have anything to do with capabilities option?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Pool_name seems to be none.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><img width="1271" height="497" id="Picture_x0020_1" src="cid:image001.png@01D15DB9.35C968E0"><span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Dilip<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b>From:</b> Dilip Sunkum Manjunath [mailto:Dilip.SunkumManjunath@toshiba-tsip.com]
<br>
<b>Sent:</b> Tuesday, February 02, 2016 7:19 AM<br>
<b>To:</b> openstack@lists.openstack.org<br>
<b>Cc:</b> 'itzdilip@gmail.com'<br>
<b>Subject:</b> [Openstack] [CINDER] Scheduler Support for pools issue, not picking free pools<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="text-indent:.5in"><b><span style="font-size:12.0pt">Use Case :
<o:p></o:p></span></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:.5in;text-indent:.5in"><b>Step 1<o:p></o:p></b></p>
<p class="MsoListParagraph" style="margin-left:1.5in;text-indent:-.25in;mso-list:l0 level3 lfo2">
<![if !supportLists]><span style="font-family:Wingdings"><span style="mso-list:Ignore">§<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>I have multiple backend pools,<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:1.5in;text-indent:-.25in;mso-list:l0 level3 lfo2">
<![if !supportLists]><span style="font-family:Wingdings"><span style="mso-list:Ignore">§<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Updated the get_volume_stats() method to hold the pools information returned from storage API’s<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Sample log : <o:p></o:p></p>
<p class="MsoNormal"><i><o:p> </o:p></i></p>
<p class="MsoNormal"><i>[{'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}]<o:p></o:p></i></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:.5in;text-indent:.5in"><b>Step 2<o:p></o:p></b></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="margin-left:1.5in;text-indent:-.25in;mso-list:l1 level1 lfo4">
<![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>In Create volume method am reading the pool information as storage api need pool info(on which pool in need to create)<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:1.5in;text-indent:-.25in;mso-list:l1 level1 lfo4">
<![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Like pool_id = volume_utils.extract_host(volume['host'], level='pool') by making use of below import<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:1.0in"><o:p> </o:p></p>
<p class="MsoListParagraph" style="margin-left:1.5in">from cinder.volume import utils as volume_utils<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:1.25in"><o:p> </o:p></p>
<p class="MsoNormal" style="text-indent:.5in"><b>Problem am facing is:<o:p></o:p></b></p>
<p class="MsoNormal" style="text-indent:.5in"><b><o:p> </o:p></b></p>
<p class="MsoNormal"> The scheduler is not always picking the free pool which has space, it returns the pool which don’t have space.<o:p></o:p></p>
<p class="MsoNormal"> I came to know when I printed the volume['host'] and above pool id.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Is there anything else I must do? Please suggest.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal">Dilip<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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