Special considerations prior to an ONTAP upgrade
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Certain cluster configurations require you to take specific actions before you begin an ONTAP software upgrade. For example, if you have a SAN configuration, you should verify that each host is configured with the correct number of direct and indirect paths before you begin the upgrade.
Review the following table to determine what additional steps you might need to take.
| Before you upgrade ONTAP, ask yourself… | If your answer is yes, then do this… |
|---|---|
Is my cluster currently in a mixed version state? |
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Do I have a MetroCluster configuration? |
|
Do I have a SAN configuration? |
|
Does my cluster have SnapMirror relationships defined? |
Verify compatibility of ONTAP versions for SnapMirror relationships |
Do I have DP-type SnapMirror relationships defined, and am I upgrading to ONTAP 9.12.1 or later? |
|
Am I using SnapMirror S3, and am I upgrading to ONTAP 9.12.1 or later? |
|
Do I use a SnapMirror relationship and am I upgrading from ONTAP 9.9.1 or earlier to 9.10.1 or later? |
Disable long-term retention snapshots in middle volumes of cascade topologies |
Am I using NetApp Storage Encryption with external key management servers? |
|
Do I have netgroups loaded into SVMs? |
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Did I create an SVM and am I upgrading from ONTAP 9.12.1 or earlier to a later version? |
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Do I have LDAP clients using SSLv3? |
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Am I using session-oriented protocols? |
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Is SSL FIPS mode enabled on a cluster where administrator accounts authenticate with an SSH public key? |
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Does my Autonomous Ransomware Protection have an active warning? |
Respond to Autonomous Ransomware Protection warnings of abnormal activity |