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watt is the primary application server on the furneaux.ca network.


  • 1x 64-bit Dual-core Intel Core i3-4130 @ 3.4GHz (4 threads total)
  • Total CPU Power: 91 GFLOPS
  • 24GB G.SKILL Sniper and Ares non-ECC DDR3 RAM @ 1600MHz CL10 1.5V (2x8GB + 2x4GB)
  • ASUS B85M-G Motherboard
  • 1x ADATA SX900 128GB SATA3 SSD
  • 1x Mushkin Chronos Deluxe 120GB SATA3 SSD
  • 1x HP S700 120 GB SATA3 SSD
  • 2x Intel Gigabit Ethernet controllers in ifenslave balance-rr (HP NC360T)
  • 2x Mellanox MHGH28-XTC 4x DDR InfiniBand HCAs
  • 1x Seasonic G-550 80 Plus Gold Modular PSU
  • Idle power draw: 20W
  • Maximum power draw: 80W

  • Age: 5 years
  • Estimated decommission date: 2024


  • Debian Jessie 64-bit
  • 4.12.4-furneaux-debian kernel
  • Record Uptime: 258 days


  • Public SMB server
  • Web server @furneaux.ca, @smartstat.ca
  • DDNS updater @smartstat.ca, @uweng.ca
  • Roundcube mail server @rogers.com, @romaco.ca, @furneaux.ca, @uwaterloo.ca
  • MediaWiki server @furneaux.ca
  • MariaDB database server
  • Large file Torrent downloader
  • Windows 7 VM @marconi
  • Monitorix statistics server
  • GitLab host @newton
  • Torrent VM host @thompson
  • Mail sender @romacocanada@gmail.com


  • In September 2014, watt was moved from the helene network to the furneaux.ca network.
  • In May 2015, the failing CPU fan was replaced.
  • In February 2016, the IB HCA was added to support a new fibre link to tesla.
  • In October 2016, the OS was reinstalled for the first time with Debian Jessie.
  • In March 2016, the Cisco IB HCA was replaced with a Mellanox dual port card.
  • In July 2017, the 8GB of RipjawsX memory was replaced with 16GB of Ares memory formerly in tesla bringing the total to 24GB.
  • In August 2017, the Intel SSD was removed and the ADATA and HP SSDs were added. The system was converted to a ZFS RAIDZ1.

Previous Hardware (2014)

  • 1x 64-bit Quad-core AMD Phenom II X4 965 Black Edition @ 3.4GHz (4 threads total)
  • Total CPU Power: ~40 GFLOPS (estimated)
  • 6GB non-ECC DDR2 RAM @ 800MHz
  • 4x Seagate 160GB SATA2 HDDs in mdraid RAID5 (440GB usable)
  • 2x Intel Gigabit Ethernet controllers in ifenslave balance-rr (HP NC360T)
  • Idle power draw: 130W