Figure 74 DD660/DD690 rear panel
DD880 systems
DD OS 5.7 and later releases do not support the DD880 systems.
DD880 systems have either two or three dual-port SAS cards installed. The ports are
1a, 1b; 2a, 2b; and 3a, 3b. See the table and associated information in Shelf cabling
rules and guidelines on page 21 for configuration information.
SAS HBA ports
Figure 75
DD880 rear panel
DD990 systems
DD990 systems have three dual-port SAS cards installed (in slots 4, 5, or 9) and
Extended Retention Systems for the DD990 have four dual-port SAS cards installed
(in slots 4, 5, 8, or 9) .
There are 11 HBA/PCI cards that are numbered 1-11 from right to left. On each card,
the topmost port is "a", for example eth2a.
Data Domain-Specific Installation
DD880 systems 113
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