mike-tutkowski commented on issue #2402: [CLOUDSTACK-10128] Simplify the search 
for host to execute command
URL: https://github.com/apache/cloudstack/pull/2402#issuecomment-357557367
 
 
   @rhtyd @rafaelweingartner @DaanHoogland I don't think it's really a blocker. 
Perhaps we can get it into the first maintenance release for 4.11.
   
   It causes two problem:
   
   1) For non-managed storage: If you create a volume snapshot from, say, 
storage pool 1 and later delete storage pool 1, then you can no longer use the 
volume snapshot (because we can't find an applicable host for the copy 
operation with this new logic).
   
   2) For managed storage: The SAN-assisted volume snapshot use case fails. 
This only applies to XenServer and only when locationtype=secondary is passed 
into createSnapshot. As far as I know, only one company currently uses this API 
this way. This company also is accustomed to patching CloudStack and using 
those modified versions in production, so I don't think we need to hold this 
particular release up because they can use the 4.11 release with this PR in 
their production environment (even before it "officially" comes out in a 
maintenance release).

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