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3.6 KiB

Cluster Node Names Fixed - Cosmetic Update Complete

Date: 2025-01-20
Status: Complete
Result: Cluster node names now match system hostnames


Fix Complete

Cluster node names have been successfully updated to match system hostnames.


Before and After

Before

Cluster Nodes:
- Node 1: ml110 ✅
- Node 2: pve ⚠️ (system hostname: r630-01)
- Node 3: pve2 ⚠️ (system hostname: r630-02)

After

Cluster Nodes:
- Node 1: ml110 ✅
- Node 2: r630-01 ✅
- Node 3: r630-02 ✅

Changes Made

1. Updated corosync.conf

File: /etc/pve/corosync.conf
Changes:

  • Node name: pver630-01
  • Node name: pve2r630-02
  • Config version: 3 → 4

Backup Created: /etc/pve/corosync.conf.backup.*

2. Renamed Node Directories

  • /etc/pve/nodes/pve/etc/pve/nodes/r630-01
  • /etc/pve/nodes/pve2/etc/pve/nodes/r630-02

3. Restarted Corosync

  • Restarted corosync service on all nodes to apply changes

Verification

Cluster Status

From ml110:

Membership information
    Nodeid      Votes Name
         1          1 ml110 (local)
         2          1 r630-01
         3          1 r630-02

From r630-01:

Membership information
    Nodeid      Votes Name
         1          1 ml110
         2          1 r630-01 (local)
         3          1 r630-02

From r630-02:

Membership information
    Nodeid      Votes Name
         1          1 ml110
         2          1 r630-01
         3          1 r630-02 (local)

Cluster Health

  • Quorum: Yes (Quorate)
  • Nodes: 3 (all visible)
  • Config Version: 4
  • Status: Operational

Configuration Details

corosync.conf

nodelist {
  node {
    name: ml110
    nodeid: 1
    quorum_votes: 1
    ring0_addr: 192.168.11.10
  }
  node {
    name: r630-01
    nodeid: 2
    quorum_votes: 1
    ring0_addr: 192.168.11.11
  }
  node {
    name: r630-02
    nodeid: 3
    quorum_votes: 1
    ring0_addr: 192.168.11.12
  }
}

Verification Commands

Check Cluster Nodes

pvecm nodes
# Should show: ml110, r630-01, r630-02

Check Cluster Status

pvecm status
# Should show: Quorate: Yes, Nodes: 3

Check Node Information

pvesh get /nodes
# Should list: ml110, r630-01, r630-02

Impact

What Changed

  • Cluster node names now match system hostnames
  • Consistency across system and cluster
  • Easier identification and management
  • Documentation alignment

What Didn't Change

  • Cluster functionality (fully operational)
  • Node IDs (unchanged: 1, 2, 3)
  • IP addresses (unchanged)
  • Cluster configuration (except node names)
  • VM/Container operations (unchanged)

Scripts Updated

Created

  • scripts/fix-cluster-node-names.sh - Script to update cluster node names

Usage

./scripts/fix-cluster-node-names.sh

Consistency Achieved

System Hostnames

  • ml110: ml110
  • r630-01: r630-01
  • r630-02: r630-02

Cluster Node Names

  • Node 1: ml110
  • Node 2: r630-01
  • Node 3: r630-02

Documentation

  • All naming consistent
  • No confusion between old and new names
  • Clear identification

Summary

All cosmetic issues fixed:

  • Cluster node names updated
  • System hostnames match cluster node names
  • All nodes operational
  • Quorum maintained
  • Configuration consistent

Status: COMPLETE - All cosmetic issues resolved


Last Updated: 2025-01-20
Status: CLUSTER NODE NAMES FIXED