[gpfsug-discuss] CES IP addresses - multiple subnets, using groups

[Oesterlin, Robert]

Reference: https://www.ibm.com/support/knowledgecenter/en/STXKQY_5.0.2/com.ibm.spectrum.scale.v5r02.doc/bl1adm_configcesprotocolservipadd.htm

I have a 3 CES servers with IP addresses:

Node1 10.30.43.14 (netmask 255.255.255.224) export IP 10.30.43.25
Node2 10.30.43.24 (netmask 255.255.255.224) export IP 10.30.43.27
Node3 10.30.43.133 (netmask 255.255.255.224) export IP 10.30.43.135

Which means node 3 is on a different vlan. I want to assign export addresses to them and keep the export IPs on the correct vlan. This looks like it can be done with groups, but I’m not sure if I have the grouping right. I was considering the following:

mmces address add --ces-ip 10.30.43.25 --ces-group vlan431
mmces address add --ces-ip 10.30.43.27 --ces-group vlan431
mmces address add --ces-ip 10.30.43.135 --ces-group vlan435

Which should mean nodes in group “vlan431” will get IPs 10.30.43.25,10.30.43.27 and the node in group “vlan435” will get IP 10.30.43.135 (and will remain unassigned if that node goes down)

Do I have this right?


Bob Oesterlin
Sr Principal Storage Engineer, Nuance

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