HA NFS on Amazon Linux 2

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[1]

  • Will be using two t3a.larg instances in an active/passive config.
  • Package installation
sudo yum upgrade -y && sudo reboot -h now
sudo yum install pcs pacemaker fence-agents-all -y
  • Authorize nodes[2]
 sudo passwd hacluster
Changing password for user hacluster.
New password:
Retype new password:
passwd: all authentication tokens updated successfully.

sudo systemctl enable --now pcsd.service

 sudo pcs cluster auth 192.168.17.132 192.168.17.164
Username: hacluster
Password:
192.168.17.132: Authorized
192.168.17.164: Authorized
  • Create lvm, mount point, and deactivate the volume group[3].
sudo pvcreate /dev/nvme1n1
sudo vgcreate data /dev/nvme1n1
sudo lvcreate --size 195G --name nfs data
sudo mkfs.ext4 /dev/mapper/data-nfs
sudo mkdir -p /mnt/nfs
 sudo vgchange -an data
  0 logical volume(s) in volume group "data" now active
  1. ↑ https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/high_availability_add-on_administration/ch-nfsserver-haaa
  2. ↑ https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/high_availability_add-on_administration/ch-startup-HAAA#s1-clusterinstall-HAAA
  3. ↑ https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/high_availability_add-on_administration/s1-NFSsharesetup-HAAA
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