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- Here is the logical diagram of my homelab setup. + The hyper-converged infrastructure consists of 3 physical servers, all running Proxmox Virtual Environment as a hypervisor. + One of these machines has a 6-slot HDD bay, which is where the TrueNAS instance is virtualized. Another server runs an OPNsense appliance for firewalling and routing. + All servers run k3s master/worker Debian nodes, declaratively provisioned with Ansible and a gitops workflow through flux. Every server is equipped with 10gbps SFP+ NICs, and + the Juniper EX3300 L3 switch also comes with 4 SFP+ 10gbps slots, allowing for relatively fast data transfer speeds on LAN.
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+ All these virtualized environments and containerized applications need space for persistent storage, which is where TrueNAS comes in. It's a FreeBSD-based NAS system that runs on top of ZFS, which allows + for the creation of highly available and fault tolerant networked file systems. It currently consists of 2 x 6 TB HDDs configured in a mirrored pool, with a 500 GB NVMe SSD as an L2 cache, and 64 GB of RAM as L1 cache. + Because of the layered approach to caching frequently accessed data, we are able to saturate the 10gbps line when doing large-file data transfers (i.e. restoring backups).
- Had to fit some of the ultra-small form factor PCs with SFP+ NICs to enable 10gbps transfer speeds on LAN.
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+ + The diagram below depics the logical topology of the network and the connections to external services, namely Cloudflare and AWS. + +
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+ + Two of the servers are ultra small form factor PCs, which made installing the massive 10gbps NICs extremely fun. + +
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+ Accessing the main server BMC webUI through the IPMI interface via Ethernet, bypassing any need to output video into a monitor. +
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+ A home datacenter is what most Americans deserve, but don't need.