[openstack-dev] [Nova][Cinder] Cleanly detaching volumes from failed nodes
avishay at stratoscale.com
Mon Jan 25 14:21:18 UTC 2016
I was wondering if there was any way to cleanly detach volumes from failed
nodes. In the case where the node is up nova-compute will call Cinder's
terminate_connection API with a "connector" that includes information about
the node - e.g., hostname, IP, iSCSI initiator name, FC WWPNs, etc.
If the node has died, this information is no longer available, and so the
attachment cannot be cleaned up properly. Is there any way to handle this
today? If not, does it make sense to save the connector elsewhere (e.g.,
DB) for cases like these?
*Avishay Traeger, PhD*
Mobile: +972 54 447 1475
E-mail: avishay at stratoscale.com
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