2. Notes and Cautions When Using This Product
Cautions When Using the Drive Shelf
Notes and Cautions When Using This Product
22
Notes When Replacing the Controllers
If a failure occurs, the controllers may need replacing.
• When controllers are replaced, the MAC address of the LAN port assigned to the controller is
changed. Ask your system administrator to change the settings.
• When controllers are replaced, the World Wide Node Name (WWNN) and the World Wide Port
Name (WWPN) of the host interface installed in the controller are changed. Ask your system
administrator to change the zoning settings and the security settings.
• After the controllers are replaced, the license code must be changed at a later date.
Because the license code is managed according to the system serial number, the license code
must be changed if the controller is replaced.
The license code associated with the new system serial number is provided within 30 days after
the replacement. The license code is changed by our maintenance engineer at a later date.
• If all the controllers used to configure a cluster are replaced (the license correspondence is lost)
before the license code is changed to a new one, the license configuration cannot be changed.
- Example
For CIFS licenses, Share cannot be changed.
Cautions When Using the Drive Shelf
Cautions about Copyback Operations When the Drive Shelf Is Connected
When a drive installed in the controller shelf is replaced by your maintenance engineer due to a fail-
ure, the new drive may be automatically assigned to a partner node by the copyback function.
To disable the copyback function, execute the following commands.
• Command to check the setting value
• Command to disable the function
Cautions When Deploying a Spare Drive in the Drive Shelf
Even if a spare drive in the drive shelf is initialized and then manually partitioned during the setup,
ONTAP may automatically release the partition during operation. For example, in a configuration
where a spare drive installed on the drive shelf is partitioned and each partition is assigned to a dif-
ferent node, ONTAP may automatically release the partitions when a takeover occurs.
Even if this event occurs, no action is required for environments where the AutoAssign function is
enabled because ONTAP automatically divides the partition when a spare drive is needed.
cluster1::>options raid.lm.disk.copyback.enable
cluster1::>options raid.lm.disk.copyback.enable off
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