l
The ES20 shelves must be on their own set. Minimize the ES20 set count by
combining up to four ES20s per set.
l
ES30 SATA shelves must also be on their own sets. Minimize the ES30 set count
by combining up to five ES30s per set. If required, combine up to seven ES30 SAS
shelves per set to minimize the set count.
l
A set can contain a maximum of two DS60 shelves and, if required because of
other restrictions, add ES30 SAS shelves up to a maximum of five shelves in that
set.
The configuration rules apply also to Extended Retention systems.
The following figures show cabling for base systems and systems with the Extended
Retention software.
It is recommended that the DS60 shelf with the greater number of drives should
always be placed in the bottom position.
Installing the Shelves
28 Data Domain DS60 Expansion Shelf Hardware Guide
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