
Previously, the checking the contents of an existing initiator group was configurable. If there was a mismatch between the initiators from the connector object and the contents of the IG, without this check, it left the system in an undesirable state. Now, we check for the mismatch and throw an exception if one occurs if the initiator_check is not configured. If initiator_check is True, the driver recreates the initiator group and masking view and the attach operation can proceed. Change-Id: I5e871679817b5aacbdd9aefdc888d1d43202b411
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