Blade vs. Rack vs. Tower Servers

Servers come in several different configurations. In the data center, decisions about blade server vs. rack server vs. tower server will affect performance, data center space, budgets, and scalability. This article is a quick start guide to rack servers, blade servers, tower servers: how to understand their advantages and shortcomings, and how each type fits into your server requirements.

Source: Blade vs. Rack vs. Tower Servers

Software-Defined Networking Poised for Prominence (Finally)

A recent survey by Verizon backs up the idea that SDN’s time has finally hit the mainstream. “15 percent of companies surveyed are already piloting or deploying SDN technologies, and this is set to rise to 57 percent within two years, with 12 percent expecting to have deployed SDN throughout their entire organization in that time frame,” the report says.

Source: Software-Defined Networking Poised for Prominence (Finally)

Ampere eMag 64-bit ARM Server Platform Targets Intel Data Centers – ExtremeTech

16 and 32-core SKUs
3.0GHz base clock, 3.3GHz Turbo
256KB L2 per pair of cores.
32MB global shared L3 cache
8x DDR4-2667 memory channels (170.7GB/s memory bandwidth)
16 DIMMs, up to 1TB DRAM per socket (most Intel Xeons top out at 768GB)
42 lanes of PCIe 3.0 connectivity

Source: Ampere eMag 64-bit ARM Server Platform Targets Intel Data Centers – ExtremeTech

Supermicro Introduces AI Inference-optimized New GPU Server with up to 20 NVIDIA Tesla T4 Accelerators in 4U

Inference-optimized system extends Supermicro’s leading portfolio of GPU Servers to offer customers an unparalleled selection of AI solutions for Inference, Training, and Deep Learning including Singe-Root, Dual-Root, Scale-up and Scale Out designs

Source: Supermicro Introduces AI Inference-optimized New GPU Server with up to 20 NVIDIA Tesla T4 Accelerators in 4U

Understanding SCSI

  • Small computer systems interface.
  • Upto 16 devices can be daisy chained.
  • Fast SCSI, Ultra SCSI, Ultra Wide SCSI, Ultra2 SCSI,Ultra3 SCSI, Ultra-320 SCSI, Ultra-640 SCSI, iSCSI.
  • Narrow bus(8 devices) vs Wide Bus (16 devices).
  • Requires end device termination.
  • Each SCSI device in a single bus contains unique SCSI ID.
  • Logical Unit Number(LUN) assigned to seperate drives under a storage array.
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