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CONTAP-786431: SnapMirror Consistency Group Resync Fails During Mixed-Version Upgrade

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ontap-9
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Issue

During an ONTAP upgrade, resync of a SnapMirror asynchronous consistency group can fail after the group is expanded while destination nodes are running different ONTAP versions. The transfer may report: {}Failed to redirect the read access of destination items to a snapshot ... (The snapshot name does not exist){}. The consistency group transfer cannot complete until the upgrade is finished.

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