Dell DD and PowerProtect Hardware 8.0 Features and Specifications

shelf configurations

There are a few rules that must be followed when adding a mixture of DS60 and other shelf types to your system.

CAUTION:If a system does not follow all these rules, it is not a legitimate configuration.

Prerequisites:

You cannot exceed the maximum amount of raw capacity displayed in cabling table for each system.
You cannot exceed the maximum number of shelves displayed in cabling table for each system.
You cannot connect more than three DS60 shelves in a single set.

Table 1. Minimum configurations
System	Appliance maximum	Minimum appliance DS60 shelf count
	144 TB	0
	144 TB	2
w/ High Availability (HA)	288 TB	2 (plus 1 FS15 for SSD cache)
w/ Extended Retention (ER)	576 TB	2
w/ Cloud Tier	384 TB (96 TB for Cloud Tier)	2 (plus 2 ES30s for Cloud Tier)
w/ HA and Cloud Tier	384 TB (96 TB for Cloud Tier)	2 (plus 1 FS15 for SSD cache, and 2 ES30s for Cloud Tier)
	384 TB	3
w/ HA	720 TB	3 (plus 1 FS15 for SSD cache)
w/ ER	1440 TB	3
w/ Cloud Tier	912 TB (192 TB for Cloud Tier)	3 (plus 4 ES30s or 1 DS60 for Cloud Tier)
w/ HA and Cloud Tier	912 TB (192 TB for Cloud Tier)	4 (plus 1 FS15 for SSD cache, and 4 ES30s or 1 DS60 for Cloud Tier)

^{1. DS60 will only be partially filled.}

A Cloud Tier system shares the ERSO cabling configuration; however, Cloud Tier has a lower maximum.
It is recommended that the shelf with the greater number of drives should always be placed in the bottom position.
only supports one DS60.
only has one SAS SLIC and all DS60 connections are made to that single SAS SLIC.
only has one SAS SLIC and all DS60 connections are made to that single SAS SLIC.