DD9500 and DD9800 cabling
Note
If a system installation does not follow ALL of these rules, it is not a legitimate
configuration.
Prerequisites:
l
Follow the minimum and maximum shelf capacity configuration provided in the
table.
l
You cannot have ES30 SATA and ES30 SAS shelves in the same set.
l
You cannot exceed the maximum amount of raw capacity displayed in the
product's cabling table.
l
You cannot exceed the maximum number of shelves displayed in the product's
cabling table.
l
You cannot have more than five ES30s in a single set (maximum of four is
preferred).
l
You can have seven ES30s for systems with Extended Retention software.
l
There are no specific placement or cabling requirements for SSD shelves, or the
metadata shelves for DD Cloud Tier configurations. These shelves can be installed
and cabled the same way as standard ES30 shelves.
Table 25 Minimum and maximum configurations
System
DD9500
DD9500 w/ FS15 DD9800
Appliance
864 TB usable
864 TB usable
1008 TB usable
Minimum appliance
shelf count
4
4
4
Maximum appliance
shelf count
30
30
30
Extended Retention
systems (ER)
1728 TB usable
2016 TB usable
2016 TB usable
Maximum shelves
for ER
56
56
56
High Availability
systems (HA)
864 TB usable
1008 TB usable
1008 TB usable
Maximum shelves
for HA
42
42
47
DD Cloud Tier
systems
1104 TB usable
1248 TB usable
1248 TB usable
Maximum shelves
for DD Cloud Tier
42
42
47
The DD9500 base (non-Extended Retention) and HA systems supports six chains.
The following figures show cabling for base systems, HA systems, and systems with
the Extended Retention software option.
Installing the Shelves
66
Data Domain ES30 Expansion Shelf and FS15 SSD Shelf
Hardware Guide
