Applies to ONTAP 9 SnapMirror Answer CSM session is used for data communication, but the "csm.createSessionFailed" message indicates session creation failure before data tranfer. Even if CSM session f...Applies to ONTAP 9 SnapMirror Answer CSM session is used for data communication, but the "csm.createSessionFailed" message indicates session creation failure before data tranfer. Even if CSM session fails during data transfer, SnapMirror does not cause data inconsistency. SnapMirror checks the checksum of the transferred data. SnapMirror maintains information about the blocks being transferred and the blocks being sent. Additional Information additionalInformation_text