Verify SAN host configuration before an ONTAP upgrade
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Upgrading ONTAP in a SAN environment changes which paths are direct. Before you upgrade a SAN cluster, you should verify that each host is configured with the correct number of direct and indirect paths, and that each host is connected to the correct LIFs.
Steps
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On each host, verify that a sufficient number of direct and indirect paths are configured, and that each path is active.
Each host must have a path to each node in the cluster.
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Verify that each host is connected to a LIF on each node.
You should record the list of initiators for comparison after the upgrade.
For… Enter… iSCSI
iscsi initiator show -fields igroup,initiator-name,tpgroup
FC
fcp initiator show -fields igroup,wwpn,lif