Error displayed when an IP address is removed from the ces_group

When the user upgrades to IBM Storage Scale version 5.0.5 or higher, the system displays an error message when the user removes an IP from the CES group.

The following error message is displayed by the system:
[root@st1clscale101p ~]#‌ mmces address change --ces-ip  <ip address>  --remove-group
No cidr objects in cidr pool.
mmces address change: Command failed. Examine previous error messages to determine cause.
mmces address change: Command failed. Examine previous error messages to determine cause.
You can remove the IP addresses and groups, and add them again after the upgrade. You can resolve this issue by running the following steps:
  1. Remove all the CES IP addresses and then add them again.

    Then, the cidrPool entry is created.

  2. Run the mmlsconfig command to verify whether the IP address entry exists or not.
  3. Run the following command to remove the group: 
    mmces address change --ces-ip 192.168.0.100 -remove-group External

If a customer wants to use IPv6, the following steps must be taken:

  1. Interface mode NIC must be defined.
  2. All CES IP must be removed.
  3. The mode must be switched to Interface mode, and then the IP address must be added again. This is done because CIDR is not an IP address.