This article assumes that HA is setup and configured properly, and that one of the nodes has completely died and is being replaced with new hardware.
- Bright’s license is tied to the MAC addresses of both headnodes. First unlock the product key via the support portal http://customer.brightcomputing.com (left hand menu)
- Run `request-license` on the headnode
- Re-use private key and settings from existing license? [Y/n] Y
- Add the MAC of the Primary Headnode, Y to Secondary, add Secondary MAC
- Submit certificate request to http://licensing.brightcomputing.com/licensing/index.cgi ? [Y/n] Y
- Install license? [Y/n] y
- PXE boot the new hardware, and when the Cluster Manager PXE Environment comes up, select “Rescue”
- Login as root (no password)
- /cm/cm-clone-install –failover
- Enter root password
- C Continue partition layout on disk
- Y confirm install
When complete and prompted: Reboot
- From the primary headnode run cmha-setup
- Setup
- Finalize
When complete and prompted, Reboot again
[root@head01 log]# cmha status
Node Status: running in active mode
head01* -> head02
failoverping [ OK ]
mysql [ OK ]
ping [ OK ]
status [ OK ]
head02 -> head01*
failoverping [ OK ]
mysql [ OK ]
ping [ OK ]
status [ OK ]