EQL-SECONDARY-KEY This field specifies the index of the schedule on the primary site that initiated create replica operation ie eqliscsiVolumeSnapshotPolicyIndex . If this replica is not directly created by a schedule, but created as part of replica collection creation and the replica collection is created by a schedule, the value of this field will still be set to index of the replica collection schedule. ie eqliscsiSnapCollectionPolicyIndex. This will be reset to zero when schedule is deleted.