3. Notes and Cautions When Using ONTAP
Notes and Cautions When Updating
Notes and Cautions When Using This Product
29
Upgrading from ONTAP 9.8 P12
When upgrading ONTAP 9.8 P12 or later to ONTAP 9.9.1 or ONTAP 9.10.1, upgrade it to ONTAP 9.9.1
P14 or later, or ONTAP 9.10.1 P10 or later.
Upgrading from a Version of ONTAP Earlier than 9.10.1 to ONTAP 9.10.1 or
Later
When updating from a version of ONTAP earlier than 9.10.1 to ONTAP 9.10.1 or later in an environ-
ment that is using adaptive compression, upgrade to the following versions.
• ONTAP 9.10.1: P12 or later
• ONTAP 9.11.1: P8 or later
• ONTAP 9.12.1: P2 or later
If an upgrade is performed to a version older than the above, an error may occur when adaptive
compressed data is read after that.
Upgrading to ONTAP 9.10.1
During an upgrade to ONTAP 9.10.1, a write to a cloud service that interoperates with FabricPool
may result in a node being stopped. Stop access to the volumes targeted by FabricPool during an
upgrade to ONTAP 9.10.1.
Upgrading to ONTAP 9.12.1
• Because the node may go offline due to a read process of the aggregate to which the drive with
the media error belongs, make sure to upgrade to ONTAP 9.12.1 P4 or later.
• An upgrade to ONTAP 9.12.1 fails if the data protection (DP) mode is set for a SnapMirror relation-
ship. Before the upgrade, convert the mode to the extended data protection (XDP) mode.
• ONTAP 9.11.1 and later releases do not support the ssh-ed25519 SSH public key type. Existing SSH
public key accounts without a supported key algorithm must be reconfigured with a supported
public key type before the upgrade. Without a reconfiguration, authentication of the administra-
tor fails.
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