Adding a netname to a member

You can add netname adapters to members without bringing down the entire Db2® pureScale® cluster.

Before you begin

You must already have at least one existing member.

About this task

Adding members can be performed online without having to bring down the entire Db2 pureScale cluster. You can add netname adapters to members while the cluster is running, but to add the netname adapter to each member, the member must be stopped. This list must include the current netnames and the new netnames.

Procedure

To add a netname adapter to a Db2 pureScale member:

  1. Install the extra adapters in the host and ensure cabling and configuration, and RDMA connectivity to the CF is correct.
  2. Stop the target member by running the DB2STOP QUIESCE command.
  3. Run the db2iupdt -update command against the target member. You must specify the list of netnames. This list must include the current netnames and the new netnames.
    For example, an existing member on host M0-Hostname has netnames M0-Netname1 and M0-Netname2. This member is being updated to use M0-Netname1, M0-Netname2, M0-Netname3, and M0-Netname4. In this case, enter:
    db2iupdt -update -m M0-Hostname -mnet M0-Netname1,M0-Netname2,M0-Netname3,M0-Netname4 db2inst
    where db2inst is the instance name
  4. Restart the target member by running db2start member command. When the member is started, the new adapters are used to establish connections to the CF. To verify, use the db2pd -cfpool command.