The CERES DBox is a single rack unit PCIe Gen.4 NVMeOF JBOF high availability enclosure. It is optimized for high density and ease of service, with hot swappable easy access components.
Unlike the Mavericks DBox which has two DNode controllers, the CERES DBox has two canisters called DTrays which each have two DNodes. Each DNode is connected to half of the SSDs and NVRAMs. The DTrays are hot-swappable Field Replacable Units (FRUs).
The CERES DBox has 22 slots for hot swappable NAND flash SSDs in the E1.L form factor. It also has eight slots for SSDs in the U.2 form factor used for non-volatile random-access memory (NVRAM). The eight U.2 NVRAMs are installed in 4 hot-swappable sleds.
The two redundant power supplies and the front fan unit are also hot swappable FRUs.
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Chassis |
Controllers |
2 x Dual-DNode DTrays |
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DNodes |
4 (2 per DTray) |
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SSD Slots |
22 E1.L form factor hot swappable SSD slots |
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NVRAM Slots |
4 x dual U.2 hot swappable sleds |
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Power Supplies |
2 x 1600W hot swappable redundant 80+ Platinum/Titanium |
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Power Entry |
Dual AC Inlet |
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Cooling |
1 x 4028 hot swappable front fan module |
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DTray |
DNodes |
2 x nVidia BF1600 Bluefield controllers |
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PCIe Switch |
96-lane PCIe gen4 switch, Broadcom PEX 88096 |
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Board management controller (BMC) |
1 |
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System and logging devices. These are SSDs that are logging devices and have operating systems. |
2 x M.2 |
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Management Ports |
2 x GbE |
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Console Port |
1 x USB-C connected to:
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Debug Port |
1 x mini-USB device-side debug port |
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DNode |
CPU |
Multicore ARM processor subsystem with 16 x ARM cores |
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NIC |
ConnectX-5 core |
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Network Ports |
2 x QSFP28 100GbE or 100Gb/s EDR InfiniBand |
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Supported SSDs |
Drive Interface |
PCIe 4.0 x4, NVMe |
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Form Factor |
E1.L |
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NVRAM SSDs |
Drive Interface |
PCIe 4.0 x4, NVMe |
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Form Factor |
U.2 |
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Administration / Management |
Admin/Firmware Upgrade |
Console port |
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LED Indicators, Audible Alarm |
Yes |
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Electrical and Environmental |
A/C Input |
100-120Vac, 13A, 50-60Hz (x2) 200-240Vac, 10A, 50-60Hz (x2) |
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Operating Environment |
Temperature : 0ºC to 35ºC Relative humidity : 20% to 80% |
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Non-operating Environment |
Temperature : -20ºC to 60ºC Relative humidity : 10% to 90% |
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Physical |
Chassis Dimensions (W x D x H) |
mm: 438 x 900 x 43.5 |
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inches : 17.2 x 35.4 x 3.5 |
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Gross Weight (chassis including PSUs, populated with SSDs) |
kg : 41 |
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lbs : 90 |
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Packaging Dimensions (W x D x H) |
mm : 592 x 1203 x 295 |
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inches : 23 5/16 x 47 3/8 x 11 5/8 |
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Mounting |
Standard |
27” tool-less rail |
Caution
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A shielded-type power cord is required in order to meet FCC emission limits and also to prevent interference to the nearby radio and television reception. It is essential that only the supplied power cord be used.
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Use only shielded cables to connect I/O devices to this equipment.
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You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.
CERES has 2 redundant, hot swappable 1600W PSUs, that are field replaceable units (FRU).
The power consumption of the CERES DBox under various operational scenarios is as follows:
Table 1. Power Consumption under Operational Scenarios - CERES DBox
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Operational Scenario |
Power Consumption (W) |
|---|---|
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Idle power, FL6 NVRAM, DAC, fans PWM 25% |
454W |
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Idle power, FL6 NVRAM, DAC, fans PWM 100% |
744W |
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Full speed writes, FL6 NVRAM, DAC, fans PWM 100% |
840W |
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Read only, FL6 NVRAM, DAC, fans PWM 100% |
840W |
CERES Dbox enclosure: Rear Panel Layout
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Callout Label |
Description |
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1 |
PSU 1 |
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2 |
PSU 2 |
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3 |
Canister 2 Console (USB-C) |
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4 |
Canister 1 Console (USB-C) |
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5 |
Left data port (100GbE/IB) |
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6 |
Right data port (100GbE/IB) |
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7 |
IPMI/Management 1GbE (RJ45) |
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8 |
Tech Port 1GbE (alt Management) (RJ45) |
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9 |
Canister 2 |
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10 |
Canister 1 |
The table below lists the LEDs available outside and inside the CERES Dbox enclosure, and describes the function of these.
Table 2. CERES Rear Panel LEDs
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LED Component |
LED Color |
Available States |
Notes |
Illustration |
|---|---|---|---|---|
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Canister Green/Amber |
Green/Amber |
On/Off |
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Canister Blue LED (IPMI chassis identify) |
Blue |
Flash/Off |
Flashes blue when the |
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Canister QSFP Port |
Green |
On/Off/Blink |
LED is ON when the link is connected, blinks for port activity. (LED is inside the rear panel, but visible from the outside of the rear panel). |
 |
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Power Supply (PSU) |
Green/Amber |
On/Off |
The LED is green if the PSU is functioning correctly, and is Amber if the PSU is in a failure state. |
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Canister RJ 45 Ports |
1x Green 1x Amber |
On/Off/Blink On/Off |
Off: no link On: link connected Blink: Link Activity. On: 1Gb. Off: 10/100 |
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Table 3. CERES Front Panel LEDs
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LED Component |
LED Color |
Available states |
Notes |
Illustration |
|---|---|---|---|---|
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Logo LEDs |
White/Blue |
On/Blink/Off |
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Bezel backlight |
White |
On/Off |
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Bezel Amber LED |
Amber |
On/Off |
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4x U.2 NVRAM sleds Green and Amber LEDs, behind the front fan module: |
1x Amber 1x Green |
On/Off On/Off |
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Front fan module: Fan module fault Amber |
Amber |
On/Off |
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Front fan module U.2 Sled fault LED |
Amber |
On/Off |
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E1.L Amber SSD LED |
1x Green 1x Amber |
On/Off On/Off |
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