NetApp AFF A700, System Documentation

Page: 296 / 1672

Option 2: Controller is in a two-node MetroCluster
You must boot the ONTAP image from the USB drive and verify the environmental
variables.
This procedure applies to systems in a two-node MetroCluster configuration.
Steps
1. From the LOADER prompt, boot the recovery image from the USB flash drive:
boot_recovery
The image is downloaded from the USB flash drive.
2. When prompted, either enter the name of the image or accept the default image displayed inside the
brackets on your screen.
3. After the image is installed, start the restoration process:
a. Press
n when prompted to restore the backup configuration.
b. Press
y
when prompted to reboot to start using the newly installed software.
You should be prepared to interrupt the boot process when prompted.
4. As the system boots, press
Ctrl-C
after you see the
Press Ctrl-C for Boot Menu
message., and
when the Boot Menu is displayed select option 6.
5. Verify that the environmental variables are set as expected.
a. Take the node to the LOADER prompt.
b. Check the environment variable settings with the
printenv
command.
c. If an environment variable is not set as expected, modify it with the
setenv environment-
variable-name changed-value
command.
d. Save your changes using the
savenev
command.
e. Reboot the node.
Switch back aggregates in a two-node MetroCluster configuration - AFF A300
After you have completed the FRU replacement in a two-node MetroCluster
configuration, you can perform the MetroCluster switchback operation. This returns the
configuration to its normal operating state, with the sync-source storage virtual machines
(SVMs) on the formerly impaired site now active and serving data from the local disk
pools.
This task only applies to two-node MetroCluster configurations.
Steps
1. Verify that all nodes are in the
enabled
state:
metrocluster node show
293