This video explores the best storage backend options for a two-node high-availability setup in Proxmox. While both Ceph and ZFS offer advantages, ZFS is recommended for this specific setup. Ceph, a distributed storage system, requires a minimum of three nodes for proper operation and optimal performance. ZFS, a combined file system and logical volume manager, excels in smaller setups, offering simplicity, reliability, and data protection through features like replication and snapshots. ZFS is easier to configure and manage compared to Ceph, making it a better fit for limited hardware resources. For a two-node Proxmox cluster using basic SSD storage, ZFS offers the necessary simplicity and efficiency for high availability without the added complexity of Ceph.
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