Resetting a stretch MetroCluster configuration to the default speed

If you modified the default configuration speed in a stretch MetroCluster configuration by using an FC-VI adapter, you can reset the speed to the default configuration speed by using the unsetenv command at the boot environment prompt.

  • When you undo the previously configured speed, the speed is set to default automatically.
  • You must perform the steps at both the nodes in a MetroCluster configuration.
  1. At the storage prompt, halt the system by entering the following command:halt -f
  2. Reset the configuration speed.
    If you want to reset the speed from... Then...
    8 Gbps
    1. Enter the following command: unsetenv ispfcvi-force-8G-only?
    2. Verify that your system is unconfigured for 8 Gbps by entering the following command:printenv ispfcvi-force-8G-only?
      The system console displays output similar to the following:
      Variable Name     Value
      -----------------------------
      ispfcvi-force-8G-only? *** Undefined ***
    4 Gbps
    1. Enter the following command: unsetenv ispfcvi-force-4G-only?
    2. Verify that your system is unconfigured for 4 Gbps by entering the following command:printenv ispfcvi-force-4G-only?
      The system console displays output similar to the following:
      Variable Name     Value
      -----------------------------
      ispfcvi-force-4G-only? *** Undefined ***
    2 Gbps
    1. Enter the following command:unsetenv ispfcvi-force-2G-only?
    2. Verify that your system is unconfigured for 2 Gbps by entering the following command:printenv ispfcvi-force-2G-only?
      The system console displays output similar to the following:
      Variable Name     Value
      -----------------------------
      ispfcvi-force-2G-only? *** Undefined ***
  3. Boot the storage system by entering the following command: boot_ontap