VNX: update sg in cache
When `destroy_empty_storage_group` is enabled, the sg will be deleted after the last lun is detached from it. The issue is that the sg cache isn't updated, which caused the failure of subsequent attaching volumes to the same host because the sg in the cache will be used directly which doesn't exist any more. The fix is updating the sg with poll after deleting it. This doesn't delete the sg from cache explicitly but makes sure the sg in cache with latest status `not-exist`. Subsequent attaching will create the sg if it is `not-exist`. Closes-bug: #1817385 Change-Id: Ibb39879a77c97c6a5d885461e93116810d16b265 (cherry picked from commiteefd8302b3
) (cherry picked from commit1f57f502c8
) (cherry picked from commit29d42fa734
)
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@ -2047,6 +2047,8 @@ test_terminate_connection_cleanup_remove_sg:
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delete:
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disconnect_host:
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get_alu_hlu_map: {}
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update:
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with_poll: _context
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test_terminate_connection_cleanup_sg_absent:
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sg:
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@ -2060,6 +2062,8 @@ test_terminate_connection_cleanup_deregister:
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delete:
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disconnect_host:
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get_alu_hlu_map: {}
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update:
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with_poll: _context
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vnx:
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_methods:
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delete_hba:
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@ -1079,6 +1079,11 @@ class CommonAdapter(replication.ReplicationAdapter):
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LOG.info("Storage Group %s is empty.", sg.name)
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sg.disconnect_host(sg.name)
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sg.delete()
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# Update sg with poll makes the one in client.sg_cache is with
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# latest status which is un-exist. This makes sure the sg is
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# created during next attaching.
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self.update_storage_group_if_required(sg)
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if host is not None and self.itor_auto_dereg:
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# `host` is None when force-detach
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self._deregister_initiator(host)
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@ -76,10 +76,13 @@ class VNXDriver(driver.ManageableVD,
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image cache volume
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10.1.0 - Add QoS support
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10.2.0 - Add replication group support
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11.0.0 - Fix failure of migration during cloning
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10.2.1 - Fix failure of migration during cloning
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10.2.2 - Fix bug https://bugs.launchpad.net/cinder/+bug/1817385 to
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make sure sg can be created again after it was destroyed
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under `destroy_empty_stroage_group` setting to `True`
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"""
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VERSION = '11.00.00'
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VERSION = '10.02.02'
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VENDOR = 'Dell EMC'
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# ThirdPartySystems wiki page
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CI_WIKI_NAME = "EMC_VNX_CI"
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@ -0,0 +1,7 @@
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---
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fixes:
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- |
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Dell EMC VNX Driver: Fixes `bug 1817385
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<https://bugs.launchpad.net/cinder/+bug/1817385>`__ to make sure the sg can
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be created again after it was destroyed under `destroy_empty_storage_group`
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setting to `True`.
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