This article describes how to add a SAW node into SAW cluster. There are two scenarios where this may be required:
When a new SAW node is need to be added into SAW cluster
When a existing SAW node is replaced (RMA'd) with new node, RMA SAW node need to be added into SAW cluster.
Checklist for the node being added:
1. Verify IP address and Subnet of the new SAW node. The new SAW node has to be reached to all existing SAW nodes when they are pinged from new SAW node. 2. Make sure “hostname –f” returns Fully Qualified domain name. By configuring host name in below files.
Post above configuration, “hostname –f” output will be as below in new node.
3. UID,GID of “mapr” should be 2147483632. Please use “id –u mapr” for UID and “id –g mapr” for GID of new appliance.
If new node has different UID,GID, Please use below commands to configure correctly.