Hi all,

    In  
http://docs.openstack.org/icehouse/config-reference/content/vmware-vmdk-driver.html‍,


in "Data store selection" section, I saw some decription:


"If two or more data stores match the storage policy, the driver chooses a data 
store that is connected to the maximum number of hosts.‍"
......
"These actions reduce the number of volume migrations while attaching the 
volume to instances.
The volume must be migrated if the ESX host for the instance cannot access the 
data store that contains the volume.‍"




    My question is this volume migration‍ is auto or manual? Is it means there 
must be a ESXi host connect the two datastores?‍




Thanks.


Zhou Yu
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