Lenovo ThinkSystem SD530 review
Lenovo shows off its first Xeon Scalable modular server
Modular servers offer SMBs and enterprises an affordable and flexible means of matching infrastructure with workload. The SD530 is Lenovo's first modular server in the ThinkSystem family and is built from the ground up to support the latest Xeon Scalable CPUs.
This rack dense solution comprises Lenovo's 2U high D2 enclosure with room for up to four SD530 server nodes. Each node is designed to be completely independent and has two CPU sockets, up to 16 DIMM slots, dual embedded 10GbE ports, an integral RAID controller and up to six hot-swap SFF drive bays.
Virtually everything you'd expect to see on Lenovo's standard ThinkSystem servers is present in the SD530 nodes. They can handle SATA and SAS drives plus NMVe SSDs, will accept a dual M.2 SSD enablement kit and sport Lenovo's XCC (XClarity Controller) for slick remote management and monitoring.
Chassis and configuration
The D2 enclosure handles all power and cooling and has a passive mid-plane which the nodes connect to when inserted. Our review system included two big 2,000W Platinum hot-plug PSUs and Lenovo also offers 1,600W and 1,100W options.
Cooling is handled by a central bank comprising three hot-plug dual-rotors, flanked on each side by cold-swap modules each with two large fans. The whole assembly can be accessed easily by removing the hatch at the rear of the lid.
Called an I/O shuttle, this self-contained assembly contains both power supplies, up to eight PCI-Express slots, the chassis SMM (system management module) and an 8-port EIOM (Ethernet I/O module). Each node is assigned PCI-Express slots in fixed locations on the risers and in all cases, the I/O shuttle must be removed to install cards with the two inner slots on the x8 shuttle requiring the central switch module to be removed as well.
Lenovo offers a wide range of warm-swap node models and the total memory and drives supported will be determined by your choice of CPU. The single node in our review system is equipped with dual 2.6GHz 12-core Xeon Gold 6126 CPUs which require larger heatsinks, thus reducing the number of DIMM slots to twelve and maximum 2,667MHz TRuDDR4 memory to 768GB.
Ranging from the entry-level Bronze 3104 to the high-end Platinum 8153, twelve CPU models can use smaller heatsinks and these nodes have 16 DIMM slots allowing memory to be pushed to 1TB. Cooling requirements also affect the number of available drive bays so for maximum storage capacity, choose cool-running CPUs that support the enclosure's 2x3 backplane.
The node motherboard has an embedded Intel RSTe controller supporting six cold-swap SATA drives. For 12Gbps SAS drives, you have the 430-8i which has no RAID or the 530-8i which supports mirrors, stripes and RAID5, self-encrypting drives and FastPath acceleration.
The enclosure supports two types of SMM where one has a single network port for managing all four nodes. The other type has dual network ports allowing multiple enclosures to be daisy-chained and all managed via a single IP address.
The SMM not only provides its own web management interface but also facilitates remote access to each node's XCC interface. By default, it allows access to the node's XCC interfaces but its own web server is disabled and proved to be tricky to get working.
To enable it, you need to use the IPMITool or a similar utility for issuing direct IPMI commands. This is made more complicated as the 'enable' parameter appended to the command is in hex (which is in the manual) and has to be issued to a node's XCC IP address.
Suffice to say it took us a while to get it working but we could then access the SMM web console. This is fairly basic but does provide plenty of information about installed components, power and cooling plus direct access to each node's XCC interface and options for issuing email alerts.
For local node management, you can specify the optional KVM module which occupies one drive bay. Remote access will probably be enough though, as the node's XCC controller delivers a wealth of remote management and monitoring features.
The XCC home page provides details on all critical components and firmware versions, access to remote control and a heap of graphs revealing utilization and power usage. It provided us with direct access to the M.2 SSDs and the RAID controller for storage configuration, a complete inventory of all hardware and facilities to define server, firmware and access security.
We had no problems managing it with the lab's XClarity Administrator 1.4 Hyper-V VM which auto-discovered the node's XCC. We could monitor power usage for the entire node, CPUs or memory, employ the image library to push an OS to it and use Lenovo's xClarity Mobile iOS app on our iPad to remotely access the Administrator host and monitor the node on the move.
The review server with one node may look pricey, but bear in mind the dual Gold 6120 CPUs in our node represent over 60% of the price for the total system. Support for nearly all the Xeon Scalable family means it's easy to tailor the hardware to meet your budget, making the ThinkSystem SD530 an affordable and versatile modular server solution for enterprises looking to increase processing density in their data centre.
The ThinkSystem SD530 modular server is ideal for data centres that want an affordable rack dense solution with the latest Xeon Scalable CPUs
(As reviewed) Chassis: Lenovo D2 2U rack Expansion: 4 x compute node bays Power: 2 x 2000W hot-plug PSUs Network: 8 x 10GBase-T module (2 ports per node) Cooling: 8 x hot-plug fan modules Expansion: 8 x PCI-Express 3 slots (2 per node) Management: Lenovo SMM with Gigabit/USB
One hot-swap SD530 node with the following: CPU: 2 x 2.6GHz 12-core Xeon Gold 6126 Memory: 64GB TruDDR4 (max 768GB) Storage: 2 x internal 32GB M.2 SSDs, 2 x 240GB Intel SATA SFF SSDs (max 6) RAID: Lenovo ThinkSystem RAID 530-8i Dense SAS3 Array support: RAID0, 1, 10, 5, 50 Network: 2 x 10GbE Management: XCC Enterprise, XClarity Administrator Warranty: 3yrs on-site NBD
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