backup

Highlights

• 50 terabyte ZFS RAID-Z2 file system  (40 TB usable)
• 2 internal 2.5″ drive bays
• 4 hot swap 2.5″ drive bays
• 8 hot swap 3.5″ drive bays

Hardware

Intel Xeon E3-1220 3.1Ghz quad-core CPU
Supermicro X9SCL+-F Motherboard
16 GB (4x 4 GB) ECC DDR3 1600MHz Crucial ct51272bd160b Memory
LSI 9201-16i PCIe 16-port SATA/SAS card
Supermicro CSE-M14T 4-in-1 hot-swap 2.5″ drive cage (bays 1-4)
Antec Nine Hundred Case
Corsair VX450 450W Power Supply
2x internal 2.5″ drive bays on a custom PCI bracket
4x hot-swap 2.5″ drive bays
8x hot-swap 3.5″ drive bays

Drive Layout

Internal

1. 160 GB Intel 320 SSD
2. 4 TB Seagate Laptop HDD ST4000LM016 128MB Cache 5400RPM 2.5″ SATA HDD (55S)

2.5″ Hot Swap

1. (tl) 4 TB Seagate BarraCuda ST4000LM024 128MB Cache 5400RPM 2.5″ SATA HDD (64Q)
2. (tr) 5 TB Seagate Barracuda ST5000LM000 128 MB Cache 5400 RPM 2.5″ SATA HDD (51H) (laggy after long uptimes)
3. (bl) 4 TB Seagate Laptop HDD ST4000LM016 128MB Cache 5400RPM 2.5″ SATA HDD (ZQL)
4. (br) 5 TB Seagate Barracuda ST5000LM000 128 MB Cache 5400 RPM 2.5″ SATA HDD (859)

3.5″ Hot Swap

1. empty
2. 4 TB Seagate Desktop HDD.15 64 MB Cache 5900 RPM SATA HDD (54P)
3. 4 TB Seagate Desktop HDD.15 64 MB Cache 5900 RPM SATA HDD (XJL)
4. 4 TB Seagate Desktop HDD.15 64 MB Cache 5900 RPM SATA HDD (BG8)
5. 4 TB Hitachi Deskstar 5K4000 32 MB Cache 5400 RPM SATA HDD (KSJ)
6. 4 TB Seagate NAS HDD 64 MB Cache 5900 RPM SATA HDD (C66)
7. 4 TB Seagate Barracuda ST4000DM004 256 MB Cache 5900 RPM SATA HDD (0W7) (problematic, disappears after ~1 month uptime)
8. 4 TB Hitachi Deskstar 5K4000 32 MB Cache 5400 RPM SATA HDD (LDJ)

2.5″ Bays: Intel
3.5″ Bays: LSI

Software

• Ubuntu Linux 20.04 LTS (64-bit)