红帽全球峰会12.10.3. 刷新 LUN 大小
用户可以在增大存储服务器上底层 LUN 的大小后刷新 LUN 大小。
refreshluns 操作会强制重新扫描提供的 LUN，并在需要时使用新大小更新数据库。
例 12.19. 刷新 LUN 大小
POST /ovirt-engine/api/storagedomains/262b056b-aede-40f1-9666-b883eff59d40/refreshluns HTTP/1.1
Accept: application/xml
Content-type: application/xml
<action>
<logical_units>
<logical_unit id="1IET_00010001"/>
<logical_unit id="1IET_00010002"/>
</logical_units>
</action>
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