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From CaveLab
Server Zeta; Storage

File server; Ubuntu 18.04, ZFS


CPU Intel Pentium G4560 @ 3.5GHz, 2 cores [specs 1]
Noctua NH-U9S cooler
Motherboard ASUS Prime B250-Plus
Memory 24GB total
  • HyperX Fury DDR4 2400MHz, 8GB
  • Corsair Vengeance LPX DDR4 2666MHz, 16GB
Storage Samsung 850 EVO 250GB SSD
Controller: LSI 9201-16i [specs 2]
ZFS pools
  • tank0, 36TB usable
    • raidz2 vdev, 24TB usable
      • 3 x Seagate Ironwolf 4TB
      • 5 x WD Red 4TB
    • raidz2 vdev, 12TB usable
      • 1 x WD Red 8TB
      • 5 x Toshiba N300 NAS 8TB
      • 2 x WD Black 2TB
  • spool0, 500GB usable
    • mirror vdev
      • 1 x WD Blue 3D 500GB SSD
      • 1 x Samsung 850 EVO 500GB SSD
  • ssd0, 1TB usable
    • 1 x Samsung 860 EVO 1TB SSD
Network Intel X520-DA2 Dual 10Gbit [specs 3]
Power Corsair RM750x 750W PSU (125W idle)
Case Inter-Tech IPC 4U-4416 (4U, 688mm)
  • 2 x Noctua NF-A8 FLX 80mm
  • 3 x Noctua NF-S12A PWM 120mm
  1. 4866 avg. mark
  2. With Noctua NF-A4x10 FLX 40mm fan
  3. FTLX8571D3BCV-IT SFP+ transceiver

Power usage

Zeta power usage over one week

Power usage on Zeta measured over one week. The peaks are due to running copy jobs.

Hard drive temperatures

hebron@zeta:~$ sudo hddtemp /dev/sd[a-p]
/dev/sda: ST4000VN008-2DR166: 30°C
/dev/sdb: WDC WD40EFRX-68N32N0: 30°C
/dev/sdc: WDC WD40EFRX-68N32N0: 33°C
/dev/sdd: WDC WD40EFRX-68N32N0: 33°C
/dev/sde: WDC WD40EFRX-68N32N0: 37°C
/dev/sdf: WDC WD40EFRX-68N32N0: 36°C
/dev/sdg: WDC WD2003FZEX-00SRLA0: 38°C
/dev/sdh: WDC WD2003FZEX-00SRLA0: 37°C
/dev/sdi: ST4000VN008-2DR166: 29°C
/dev/sdj: ST2000DM008-2FR102: 33°C
/dev/sdk: ST4000VN008-2DR166: 32°C
/dev/sdl: ST2000DM008-2FR102: 35°C
/dev/sdm: TOSHIBA HDWN180: 40°C
/dev/sdn: TOSHIBA HDWN180: 34°C
/dev/sdo: TOSHIBA HDWN180: 38°C
/dev/sdp: WDC WD80EFZX-68UW8N0: 35°C

Storage performance

This section needs to be updated. Reason: Measure and document read and write speed.