How can I configure fence_lpar in a RHEL High Availability cluster using Identity file (private key) for SSH
Issue
- We need to configure secure fencing in our cluster that runs on IBM POWER-based LPARs with an HMC
- How to secure the authentication for hmc user in fencing_lpar method?
- Is it possible to use ssh key instead of password for HMC user in fencing_lpar?
- When fence_lpar request hmc to verify status of server how it does it? Is the request encrypted?
Environment
- Red Hat Enterprise Linux (RHEL) 7 or 8 with High Availability or Resilient Storage Add-On
- IBM POWER 8 or 9 System
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