Disk Storage Interconnect - Data Mart Appliances

670 Platform Product and Site Preparation Guide
Product
Data Mart Appliances
Published
June 2015
Language
English (United States)
Last Update
2018-04-13
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Product Category
Hardware

Nodes and drive enclosures are interconnected into a clique configuration for fault tolerance. The 670 Teradata database processing (TPA) node has redundant connections to the disk array. All links are point to point.

670C/H Node Clique Configuration (Two Dual 6 Gb SAS HBAs per Node)

670C HDD-Only Configurations

The supported configuration for a 670C with HDDs only and no slots reserved for SSDs is:

HDDs Configuration
8 to 46
  • One TPA node to one disk array (1:1 ratio)
  • 4 to 23 AMPs per node (APN); 2 disks per AMP
  • 8 to 46 HDDs per node (no mixed drive types or sizes in each disk array)

The supported configurations for a 670C with HDDs only and slots reserved for SSDs are:

HDDs Configuration
44
  • One TPA node to one disk array (1:1 ratio)
  • 22 AMPs per node (APN); 2 disks per AMP
  • 44 HDDs per node (no mixed drive types or sizes in each disk array)
42
  • One TPA node to one disk array (1:1 ratio)
  • 21 AMPs per node (APN); 2 disks per AMP
  • 42 HDDs per node (no mixed drive types or sizes in each disk array)
40
  • One TPA node to one disk array (1:1 ratio)
  • 20 AMPs per node (APN); 2 disks per AMP
  • 40 HDDs per node (no mixed drive types or sizes in each disk array)
38
  • One TPA node to one disk array (1:1 ratio)
  • 19 AMPs per node (APN); 2 disks per AMP
  • 38 HDDs per node (no mixed drive types or sizes in each disk array)

670H Hybrid (SSD:HDD) Configurations

The supported configurations for a 670H with SSDs and HDDs are:

SSD:HDD Ratio Configuration
2:44
  • One TPA node to one disk array (1:1 ratio)
  • 22 AMPs per node (APN)
  • 2 SSDs per node, 44 HDDs per node (mixed drive types in each disk array)
4:42
  • One TPA node to one disk array (1:1 ratio)
  • 21 AMPs per node (APN)
  • 4 SSDs per node, 42 HDDs per node (mixed drive types in each disk array)
6:40
  • One TPA node to one disk array (1:1 ratio)
  • 20 AMPs per node (APN)
  • 6 SSDs per node, 40 HDDs per node (mixed drive types in each disk array)
8:38
  • One TPA node to one disk array (1:1 ratio)
  • 19 AMPs per node (APN)
  • 8 SSDs per node, 38 HDDs per node (mixed drive types in each disk array)