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Enterprise

HA

  • Cluster with failover
  • Multiple nodes connected to same storage
    • iSCSI
    • Fibre
    • NAS over NFS
  • Pacemaker/Corosync
# Configure ZFS resource for Pacemaker
sudo pcs resource create zfspool ocf:heartbeat:ZFS pool=myzpool
sudo pcs resource group add zfs_group zfspool
# Incremental replication
sudo zfs send -i mypool@prevsnap mypool@currsnap | ssh backup_node sudo zfs receive remotepool
+---------------+         +---------------+
|     Node 1    |         |     Node 2    |
|  Active ZFS   |         |  Standby ZFS  |
+---------------+         +---------------+
      |                          |
      |  Pacemaker + Corosync    |
      +--------------------------+
           | Shared Storage |
           +----------------+
                [myzpool]
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